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List of chemical elements
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<h2 id="list">List</h2> <table><tbody><tr><th colspan="16"><ul><li>v</li><li>t</li><li>e</li></ul>List of chemical elements</th></tr><tr><th><a href="/facts/Atomic_number/bgAr581S">Z</a></th><th><a href="/facts/Chemical_symbol/2Fe1VAL0">Sym.</a></th><th><a href="/facts/Chemical_element/0jducgWD">Element</a></th><th>Nameorigin<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a><a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></th><th><a href="/facts/Group_(periodic_table)/YGBcUabv">Group</a></th><th><a href="/facts/Period_(periodic_table)/WpGUFh5V">Period</a></th><th><a href="/facts/Block_(periodic_table)/BbzD5jUU">Block</a></th><th><a href="/facts/Standard_atomic_weight/8arqbQsq">Atomicweight</a><a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a>(<a href="/facts/Dalton_(unit)/IMATU3vf">Da</a>)</th><th><a href="/facts/Density/92p6hh9I">Density</a><a class="footnote-ref" id="fnref:5" href="#fn:5"><sup>5</sup></a><a class="footnote-ref" id="fnref:6" href="#fn:6"><sup>6</sup></a>(<a href="/facts/Density/92p6hh9I">g/cm3</a>)</th><th><a href="/facts/Melting_point/MY0w0h0k">Meltingpoint</a><a class="footnote-ref" id="fnref:7" href="#fn:7"><sup>7</sup></a>(<a href="/facts/Kelvin/E3trzC4C">K</a>)</th><th><a href="/facts/Boiling_point/E2BK9QoS">Boilingpoint</a><a class="footnote-ref" id="fnref:8" href="#fn:8"><sup>8</sup></a>(<a href="/facts/Kelvin/E3trzC4C">K</a>)</th><th><a href="/facts/Specific_heat_capacity/9P0U6YgI">Specificheatcapacity</a><a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a>(<a href="/facts/Specific_heat_capacity/9P0U6YgI">J/g · K</a>)</th><th><a href="/facts/Electronegativity/H7Vq7Uah">Electronegativity</a><a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a></th><th><a href="/facts/Abundance_of_elements_in_Earth%2527s_crust/UDSVHH56">Abundancein Earth'scrust</a><a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a>(mg/kg)</th><th>Origin<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a></th><th>Phase<a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></th></tr><tr><td>1</td><td>H</td><td><a href="/facts/Hydrogen/BoYHjl0J">Hydrogen</a></td><td><a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a></td><td>1</td><td>1</td><td><a href="/facts/Block_(periodic_table)/BbzD5jUU">s-block</a></td><td>1.0080</td><td>0.00008988</td><td>14.01</td><td>20.28</td><td>14.304</td><td>2.20</td><td>1400</td><td><a href="/facts/Primordial_nuclide/lFAUqHDv">primordial</a></td><td><a href="/facts/Gas/hVVAoodV">gas</a></td></tr><tr><td>2</td><td>He</td><td><a href="/facts/Helium/yRul93TG">Helium</a></td><td><a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a></td><td>18</td><td>1</td><td>s-block</td><td>4.0026</td><td>0.0001785</td><td>–<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a></td><td>4.22</td><td>5.193</td><td>–</td><td>0.008</td><td>primordial</td><td>gas</td></tr><tr><td>3</td><td>Li</td><td><a href="/facts/Lithium/7vXX6BWA">Lithium</a></td><td><a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a></td><td>1</td><td>2</td><td>s-block</td><td>6.94</td><td>0.534</td><td>453.69</td><td>1560</td><td>3.582</td><td>0.98</td><td>20</td><td>primordial</td><td><a href="/facts/Solid/hj5UsXno">solid</a></td></tr><tr><td>4</td><td>Be</td><td><a href="/facts/Beryllium/dv295voP">Beryllium</a></td><td><a class="footnote-ref" id="fnref:18" href="#fn:18"><sup>18</sup></a></td><td>2</td><td>2</td><td>s-block</td><td>9.0122</td><td>1.85</td><td>1560</td><td>2742</td><td>1.825</td><td>1.57</td><td>2.8</td><td>primordial</td><td>solid</td></tr><tr><td>5</td><td>B</td><td><a href="/facts/Boron/Pmwgd7Mf">Boron</a></td><td><a class="footnote-ref" id="fnref:19" href="#fn:19"><sup>19</sup></a></td><td>13</td><td>2</td><td><a href="/facts/Block_(periodic_table)/BbzD5jUU">p-block</a></td><td>10.81</td><td>2.34</td><td>2349</td><td>4200</td><td>1.026</td><td>2.04</td><td>10</td><td>primordial</td><td>solid</td></tr><tr><td>6</td><td>C</td><td><a href="/facts/Carbon/ukrgQexo">Carbon</a></td><td><a class="footnote-ref" id="fnref:20" href="#fn:20"><sup>20</sup></a></td><td>14</td><td>2</td><td>p-block</td><td>12.011</td><td>2.267</td><td>>4000</td><td>4300</td><td>0.709</td><td>2.55</td><td>200</td><td>primordial</td><td>solid</td></tr><tr><td>7</td><td>N</td><td><a href="/facts/Nitrogen/Nf1QpGDz">Nitrogen</a></td><td><a class="footnote-ref" id="fnref:21" href="#fn:21"><sup>21</sup></a></td><td>15</td><td>2</td><td>p-block</td><td>14.007</td><td>0.0012506</td><td>63.15</td><td>77.36</td><td>1.04</td><td>3.04</td><td>19</td><td>primordial</td><td>gas</td></tr><tr><td>8</td><td>O</td><td><a href="/facts/Oxygen/acyn6o8r">Oxygen</a></td><td><a class="footnote-ref" id="fnref:22" href="#fn:22"><sup>22</sup></a></td><td>16</td><td>2</td><td>p-block</td><td>15.999</td><td>0.001429</td><td>54.36</td><td>90.20</td><td>0.918</td><td>3.44</td><td>461000</td><td>primordial</td><td>gas</td></tr><tr><td>9</td><td>F</td><td><a href="/facts/Fluorine/YUV0Fb8m">Fluorine</a></td><td><a class="footnote-ref" id="fnref:23" href="#fn:23"><sup>23</sup></a></td><td>17</td><td>2</td><td>p-block</td><td>18.998</td><td>0.001696</td><td>53.53</td><td>85.03</td><td>0.824</td><td>3.98</td><td>585</td><td>primordial</td><td>gas</td></tr><tr><td>10</td><td>Ne</td><td><a href="/facts/Neon/5bF1FwGL">Neon</a></td><td><a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a></td><td>18</td><td>2</td><td>p-block</td><td>20.180</td><td>0.0009002</td><td>24.56</td><td>27.07</td><td>1.03</td><td>–</td><td>0.005</td><td>primordial</td><td>gas</td></tr><tr><td>11</td><td>Na</td><td><a href="/facts/Sodium/eYuSPu2V">Sodium</a></td><td><a class="footnote-ref" id="fnref:25" href="#fn:25"><sup>25</sup></a></td><td>1</td><td>3</td><td>s-block</td><td>22.990</td><td>0.968</td><td>370.87</td><td>1156</td><td>1.228</td><td>0.93</td><td>23600</td><td>primordial</td><td>solid</td></tr><tr><td>12</td><td>Mg</td><td><a href="/facts/Magnesium/XyIhd2FG">Magnesium</a></td><td><a class="footnote-ref" id="fnref:26" href="#fn:26"><sup>26</sup></a></td><td>2</td><td>3</td><td>s-block</td><td>24.305</td><td>1.738</td><td>923</td><td>1363</td><td>1.023</td><td>1.31</td><td>23300</td><td>primordial</td><td>solid</td></tr><tr><td>13</td><td>Al</td><td><a href="/facts/Aluminium/7wmR8jYE">Aluminium</a></td><td><a class="footnote-ref" id="fnref:27" href="#fn:27"><sup>27</sup></a></td><td>13</td><td>3</td><td>p-block</td><td>26.982</td><td>2.70</td><td>933.47</td><td>2792</td><td>0.897</td><td>1.61</td><td>82300</td><td>primordial</td><td>solid</td></tr><tr><td>14</td><td>Si</td><td><a href="/facts/Silicon/cgWx0hdr">Silicon</a></td><td><a class="footnote-ref" id="fnref:28" href="#fn:28"><sup>28</sup></a></td><td>14</td><td>3</td><td>p-block</td><td>28.085</td><td>2.3290</td><td>1687</td><td>3538</td><td>0.705</td><td>1.9</td><td>282000</td><td>primordial</td><td>solid</td></tr><tr><td>15</td><td>P</td><td><a href="/facts/Phosphorus/27xCeIqs">Phosphorus</a></td><td><a class="footnote-ref" id="fnref:29" href="#fn:29"><sup>29</sup></a></td><td>15</td><td>3</td><td>p-block</td><td>30.974</td><td>1.823</td><td>317.30</td><td>550</td><td>0.769</td><td>2.19</td><td>1050</td><td>primordial</td><td>solid</td></tr><tr><td>16</td><td>S</td><td><a href="/facts/Sulfur/IK0amTfM">Sulfur</a></td><td><a class="footnote-ref" id="fnref:30" href="#fn:30"><sup>30</sup></a></td><td>16</td><td>3</td><td>p-block</td><td>32.06</td><td>2.07</td><td>388.36</td><td>717.87</td><td>0.71</td><td>2.58</td><td>350</td><td>primordial</td><td>solid</td></tr><tr><td>17</td><td>Cl</td><td><a href="/facts/Chlorine/y27UwYBM">Chlorine</a></td><td><a class="footnote-ref" id="fnref:31" href="#fn:31"><sup>31</sup></a></td><td>17</td><td>3</td><td>p-block</td><td>35.45</td><td>0.0032</td><td>171.6</td><td>239.11</td><td>0.479</td><td>3.16</td><td>145</td><td>primordial</td><td>gas</td></tr><tr><td>18</td><td>Ar</td><td><a href="/facts/Argon/QX6NRH6d">Argon</a></td><td><a class="footnote-ref" id="fnref:32" href="#fn:32"><sup>32</sup></a></td><td>18</td><td>3</td><td>p-block</td><td>39.95</td><td>0.001784</td><td>83.80</td><td>87.30</td><td>0.52</td><td>–</td><td>3.5</td><td>primordial</td><td>gas</td></tr><tr><td>19</td><td>K</td><td><a href="/facts/Potassium/FWPwS7Rj">Potassium</a></td><td><a class="footnote-ref" id="fnref:33" href="#fn:33"><sup>33</sup></a></td><td>1</td><td>4</td><td>s-block</td><td>39.098</td><td>0.89</td><td>336.53</td><td>1032</td><td>0.757</td><td>0.82</td><td>20900</td><td>primordial</td><td>solid</td></tr><tr><td>20</td><td>Ca</td><td><a href="/facts/Calcium/hf252CC0">Calcium</a></td><td><a class="footnote-ref" id="fnref:34" href="#fn:34"><sup>34</sup></a></td><td>2</td><td>4</td><td>s-block</td><td>40.078</td><td>1.55</td><td>1115</td><td>1757</td><td>0.647</td><td>1.00</td><td>41500</td><td>primordial</td><td>solid</td></tr><tr><td>21</td><td>Sc</td><td><a href="/facts/Scandium/TJRt1chg">Scandium</a></td><td><a class="footnote-ref" id="fnref:35" href="#fn:35"><sup>35</sup></a></td><td>3</td><td>4</td><td><a href="/facts/Block_(periodic_table)/BbzD5jUU">d-block</a></td><td>44.956</td><td>2.985</td><td>1814</td><td>3109</td><td>0.568</td><td>1.36</td><td>22</td><td>primordial</td><td>solid</td></tr><tr><td>22</td><td>Ti</td><td><a href="/facts/Titanium/53ArnDoy">Titanium</a></td><td><a class="footnote-ref" id="fnref:36" href="#fn:36"><sup>36</sup></a></td><td>4</td><td>4</td><td>d-block</td><td>47.867</td><td>4.506</td><td>1941</td><td>3560</td><td>0.523</td><td>1.54</td><td>5650</td><td>primordial</td><td>solid</td></tr><tr><td>23</td><td>V</td><td><a href="/facts/Vanadium/UvKkKTSm">Vanadium</a></td><td><a class="footnote-ref" id="fnref:37" href="#fn:37"><sup>37</sup></a></td><td>5</td><td>4</td><td>d-block</td><td>50.942</td><td>6.11</td><td>2183</td><td>3680</td><td>0.489</td><td>1.63</td><td>120</td><td>primordial</td><td>solid</td></tr><tr><td>24</td><td>Cr</td><td><a href="/facts/Chromium/6sVk6Uu7">Chromium</a></td><td><a class="footnote-ref" id="fnref:38" href="#fn:38"><sup>38</sup></a></td><td>6</td><td>4</td><td>d-block</td><td>51.996</td><td>7.15</td><td>2180</td><td>2944</td><td>0.449</td><td>1.66</td><td>102</td><td>primordial</td><td>solid</td></tr><tr><td>25</td><td>Mn</td><td><a href="/facts/Manganese/j9ELd1TL">Manganese</a></td><td><a class="footnote-ref" id="fnref:39" href="#fn:39"><sup>39</sup></a></td><td>7</td><td>4</td><td>d-block</td><td>54.938</td><td>7.21</td><td>1519</td><td>2334</td><td>0.479</td><td>1.55</td><td>950</td><td>primordial</td><td>solid</td></tr><tr><td>26</td><td>Fe</td><td><a href="/facts/Iron/QK1JYy8E">Iron</a></td><td><a class="footnote-ref" id="fnref:40" href="#fn:40"><sup>40</sup></a></td><td>8</td><td>4</td><td>d-block</td><td>55.845</td><td>7.874</td><td>1811</td><td>3134</td><td>0.449</td><td>1.83</td><td>56300</td><td>primordial</td><td>solid</td></tr><tr><td>27</td><td>Co</td><td><a href="/facts/Cobalt/gqhScEw4">Cobalt</a></td><td><a class="footnote-ref" id="fnref:41" href="#fn:41"><sup>41</sup></a></td><td>9</td><td>4</td><td>d-block</td><td>58.933</td><td>8.90</td><td>1768</td><td>3200</td><td>0.421</td><td>1.88</td><td>25</td><td>primordial</td><td>solid</td></tr><tr><td>28</td><td>Ni</td><td><a href="/facts/Nickel/KwMCHYRP">Nickel</a></td><td><a class="footnote-ref" id="fnref:42" href="#fn:42"><sup>42</sup></a></td><td>10</td><td>4</td><td>d-block</td><td>58.693</td><td>8.908</td><td>1728</td><td>3186</td><td>0.444</td><td>1.91</td><td>84</td><td>primordial</td><td>solid</td></tr><tr><td>29</td><td>Cu</td><td><a href="/facts/Copper/I8PEE8oX">Copper</a></td><td><a class="footnote-ref" id="fnref:43" href="#fn:43"><sup>43</sup></a></td><td>11</td><td>4</td><td>d-block</td><td>63.546</td><td>8.96</td><td>1357.77</td><td>2835</td><td>0.385</td><td>1.90</td><td>60</td><td>primordial</td><td>solid</td></tr><tr><td>30</td><td>Zn</td><td><a href="/facts/Zinc/80b1qgk3">Zinc</a></td><td><a class="footnote-ref" id="fnref:44" href="#fn:44"><sup>44</sup></a></td><td>12</td><td>4</td><td>d-block</td><td>65.38</td><td>7.14</td><td>692.88</td><td>1180</td><td>0.388</td><td>1.65</td><td>70</td><td>primordial</td><td>solid</td></tr><tr><td>31</td><td>Ga</td><td><a href="/facts/Gallium/EucevDs9">Gallium</a></td><td><a class="footnote-ref" id="fnref:45" href="#fn:45"><sup>45</sup></a></td><td>13</td><td>4</td><td>p-block</td><td>69.723</td><td>5.91</td><td>302.9146</td><td>2673</td><td>0.371</td><td>1.81</td><td>19</td><td>primordial</td><td>solid</td></tr><tr><td>32</td><td>Ge</td><td><a href="/facts/Germanium/wtoALHGs">Germanium</a></td><td><a class="footnote-ref" id="fnref:46" href="#fn:46"><sup>46</sup></a></td><td>14</td><td>4</td><td>p-block</td><td>72.630</td><td>5.323</td><td>1211.40</td><td>3106</td><td>0.32</td><td>2.01</td><td>1.5</td><td>primordial</td><td>solid</td></tr><tr><td>33</td><td>As</td><td><a href="/facts/Arsenic/k1c4f44D">Arsenic</a></td><td><a class="footnote-ref" id="fnref:47" href="#fn:47"><sup>47</sup></a></td><td>15</td><td>4</td><td>p-block</td><td>74.922</td><td>5.727</td><td>1090<a class="footnote-ref" id="fnref:48" href="#fn:48"><sup>48</sup></a></td><td>887</td><td>0.329</td><td>2.18</td><td>1.8</td><td>primordial</td><td>solid</td></tr><tr><td>34</td><td>Se</td><td><a href="/facts/Selenium/k975NApC">Selenium</a></td><td><a class="footnote-ref" id="fnref:49" href="#fn:49"><sup>49</sup></a></td><td>16</td><td>4</td><td>p-block</td><td>78.971</td><td>4.81</td><td>453</td><td>958</td><td>0.321</td><td>2.55</td><td>0.05</td><td>primordial</td><td>solid</td></tr><tr><td>35</td><td>Br</td><td><a href="/facts/Bromine/oLfj3C7D">Bromine</a></td><td><a class="footnote-ref" id="fnref:50" href="#fn:50"><sup>50</sup></a></td><td>17</td><td>4</td><td>p-block</td><td>79.904</td><td>3.1028</td><td>265.8</td><td>332.0</td><td>0.474</td><td>2.96</td><td>2.4</td><td>primordial</td><td><a href="/facts/Liquid/t9GkLWzt">liquid</a></td></tr><tr><td>36</td><td>Kr</td><td><a href="/facts/Krypton/llkNlCke">Krypton</a></td><td><a class="footnote-ref" id="fnref:51" href="#fn:51"><sup>51</sup></a></td><td>18</td><td>4</td><td>p-block</td><td>83.798</td><td>0.003749</td><td>115.79</td><td>119.93</td><td>0.248</td><td>3.00</td><td>1×10−4</td><td>primordial</td><td>gas</td></tr><tr><td>37</td><td>Rb</td><td><a href="/facts/Rubidium/KDHSe2HM">Rubidium</a></td><td><a class="footnote-ref" id="fnref:52" href="#fn:52"><sup>52</sup></a></td><td>1</td><td>5</td><td>s-block</td><td>85.468</td><td>1.532</td><td>312.46</td><td>961</td><td>0.363</td><td>0.82</td><td>90</td><td>primordial</td><td>solid</td></tr><tr><td>38</td><td>Sr</td><td><a href="/facts/Strontium/ABaA5qQK">Strontium</a></td><td><a class="footnote-ref" id="fnref:53" href="#fn:53"><sup>53</sup></a></td><td>2</td><td>5</td><td>s-block</td><td>87.62</td><td>2.64</td><td>1050</td><td>1655</td><td>0.301</td><td>0.95</td><td>370</td><td>primordial</td><td>solid</td></tr><tr><td>39</td><td>Y</td><td><a href="/facts/Yttrium/BlX6rj99">Yttrium</a></td><td><a class="footnote-ref" id="fnref:54" href="#fn:54"><sup>54</sup></a></td><td>3</td><td>5</td><td>d-block</td><td>88.906</td><td>4.472</td><td>1799</td><td>3609</td><td>0.298</td><td>1.22</td><td>33</td><td>primordial</td><td>solid</td></tr><tr><td>40</td><td>Zr</td><td><a href="/facts/Zirconium/y7gsoQFz">Zirconium</a></td><td><a class="footnote-ref" id="fnref:55" href="#fn:55"><sup>55</sup></a></td><td>4</td><td>5</td><td>d-block</td><td>91.224</td><td>6.52</td><td>2128</td><td>4682</td><td>0.278</td><td>1.33</td><td>165</td><td>primordial</td><td>solid</td></tr><tr><td>41</td><td>Nb</td><td><a href="/facts/Niobium/3zNI8AKp">Niobium</a></td><td><a class="footnote-ref" id="fnref:56" href="#fn:56"><sup>56</sup></a></td><td>5</td><td>5</td><td>d-block</td><td>92.906</td><td>8.57</td><td>2750</td><td>5017</td><td>0.265</td><td>1.6</td><td>20</td><td>primordial</td><td>solid</td></tr><tr><td>42</td><td>Mo</td><td><a href="/facts/Molybdenum/RX6vp2bF">Molybdenum</a></td><td><a class="footnote-ref" id="fnref:57" href="#fn:57"><sup>57</sup></a></td><td>6</td><td>5</td><td>d-block</td><td>95.95</td><td>10.28</td><td>2896</td><td>4912</td><td>0.251</td><td>2.16</td><td>1.2</td><td>primordial</td><td>solid</td></tr><tr><td>43</td><td>Tc</td><td><a href="/facts/Technetium/MGYWNI5d">Technetium</a></td><td><a class="footnote-ref" id="fnref:58" href="#fn:58"><sup>58</sup></a></td><td>7</td><td>5</td><td>d-block</td><td>[97]</td><td>11</td><td>2430</td><td>4538</td><td>–</td><td>1.9</td><td>~ 3×10−9</td><td><a href="/facts/Trace_radioisotope/dLa5hj0I">from decay</a></td><td>solid</td></tr><tr><td>44</td><td>Ru</td><td><a href="/facts/Ruthenium/uzCm4ufn">Ruthenium</a></td><td><a class="footnote-ref" id="fnref:59" href="#fn:59"><sup>59</sup></a></td><td>8</td><td>5</td><td>d-block</td><td>101.07</td><td>12.45</td><td>2607</td><td>4423</td><td>0.238</td><td>2.2</td><td>0.001</td><td>primordial</td><td>solid</td></tr><tr><td>45</td><td>Rh</td><td><a href="/facts/Rhodium/xmBd9aFG">Rhodium</a></td><td><a class="footnote-ref" id="fnref:60" href="#fn:60"><sup>60</sup></a></td><td>9</td><td>5</td><td>d-block</td><td>102.91</td><td>12.41</td><td>2237</td><td>3968</td><td>0.243</td><td>2.28</td><td>0.001</td><td>primordial</td><td>solid</td></tr><tr><td>46</td><td>Pd</td><td><a href="/facts/Palladium/AXMwDFxs">Palladium</a></td><td><a class="footnote-ref" id="fnref:61" href="#fn:61"><sup>61</sup></a></td><td>10</td><td>5</td><td>d-block</td><td>106.42</td><td>12.023</td><td>1828.05</td><td>3236</td><td>0.244</td><td>2.20</td><td>0.015</td><td>primordial</td><td>solid</td></tr><tr><td>47</td><td>Ag</td><td><a href="/facts/Silver/xXe41BGg">Silver</a></td><td><a class="footnote-ref" id="fnref:62" href="#fn:62"><sup>62</sup></a></td><td>11</td><td>5</td><td>d-block</td><td>107.87</td><td>10.49</td><td>1234.93</td><td>2435</td><td>0.235</td><td>1.93</td><td>0.075</td><td>primordial</td><td>solid</td></tr><tr><td>48</td><td>Cd</td><td><a href="/facts/Cadmium/wXkV2eIX">Cadmium</a></td><td><a class="footnote-ref" id="fnref:63" href="#fn:63"><sup>63</sup></a></td><td>12</td><td>5</td><td>d-block</td><td>112.41</td><td>8.65</td><td>594.22</td><td>1040</td><td>0.232</td><td>1.69</td><td>0.159</td><td>primordial</td><td>solid</td></tr><tr><td>49</td><td>In</td><td><a href="/facts/Indium/zRq3stVb">Indium</a></td><td><a class="footnote-ref" id="fnref:64" href="#fn:64"><sup>64</sup></a></td><td>13</td><td>5</td><td>p-block</td><td>114.82</td><td>7.31</td><td>429.75</td><td>2345</td><td>0.233</td><td>1.78</td><td>0.25</td><td>primordial</td><td>solid</td></tr><tr><td>50</td><td>Sn</td><td><a href="/facts/Tin/obW9mqc3">Tin</a></td><td><a class="footnote-ref" id="fnref:65" href="#fn:65"><sup>65</sup></a></td><td>14</td><td>5</td><td>p-block</td><td>118.71</td><td>7.265</td><td>505.08</td><td>2875</td><td>0.228</td><td>1.96</td><td>2.3</td><td>primordial</td><td>solid</td></tr><tr><td>51</td><td>Sb</td><td><a href="/facts/Antimony/YsA7lVgT">Antimony</a></td><td><a class="footnote-ref" id="fnref:66" href="#fn:66"><sup>66</sup></a></td><td>15</td><td>5</td><td>p-block</td><td>121.76</td><td>6.697</td><td>903.78</td><td>1860</td><td>0.207</td><td>2.05</td><td>0.2</td><td>primordial</td><td>solid</td></tr><tr><td>52</td><td>Te</td><td><a href="/facts/Tellurium/v7QvfIvS">Tellurium</a></td><td><a class="footnote-ref" id="fnref:67" href="#fn:67"><sup>67</sup></a></td><td>16</td><td>5</td><td>p-block</td><td>127.60</td><td>6.24</td><td>722.66</td><td>1261</td><td>0.202</td><td>2.1</td><td>0.001</td><td>primordial</td><td>solid</td></tr><tr><td>53</td><td>I</td><td><a href="/facts/Iodine/JlfMecMf">Iodine</a></td><td><a class="footnote-ref" id="fnref:68" href="#fn:68"><sup>68</sup></a></td><td>17</td><td>5</td><td>p-block</td><td>126.90</td><td>4.933</td><td>386.85</td><td>457.4</td><td>0.214</td><td>2.66</td><td>0.45</td><td>primordial</td><td>solid</td></tr><tr><td>54</td><td>Xe</td><td><a href="/facts/Xenon/9E3XR69R">Xenon</a></td><td><a class="footnote-ref" id="fnref:69" href="#fn:69"><sup>69</sup></a></td><td>18</td><td>5</td><td>p-block</td><td>131.29</td><td>0.005894</td><td>161.4</td><td>165.03</td><td>0.158</td><td>2.60</td><td>3×10−5</td><td>primordial</td><td>gas</td></tr><tr><td>55</td><td>Cs</td><td><a href="/facts/Caesium/dXKN1S5k">Caesium</a></td><td><a class="footnote-ref" id="fnref:70" href="#fn:70"><sup>70</sup></a></td><td>1</td><td>6</td><td>s-block</td><td>132.91</td><td>1.93</td><td>301.59</td><td>944</td><td>0.242</td><td>0.79</td><td>3</td><td>primordial</td><td>solid</td></tr><tr><td>56</td><td>Ba</td><td><a href="/facts/Barium/IkL09XHQ">Barium</a></td><td><a class="footnote-ref" id="fnref:71" href="#fn:71"><sup>71</sup></a></td><td>2</td><td>6</td><td>s-block</td><td>137.33</td><td>3.51</td><td>1000</td><td>2170</td><td>0.204</td><td>0.89</td><td>425</td><td>primordial</td><td>solid</td></tr><tr><td>57</td><td>La</td><td><a href="/facts/Lanthanum/Uhmmy1sB">Lanthanum</a></td><td><a class="footnote-ref" id="fnref:72" href="#fn:72"><sup>72</sup></a></td><td>f-block groups</td><td>6</td><td><a href="/facts/Block_(periodic_table)/BbzD5jUU">f-block</a></td><td>138.91</td><td>6.162</td><td>1193</td><td>3737</td><td>0.195</td><td>1.1</td><td>39</td><td>primordial</td><td>solid</td></tr><tr><td>58</td><td>Ce</td><td><a href="/facts/Cerium/a7UjMBQ6">Cerium</a></td><td><a class="footnote-ref" id="fnref:73" href="#fn:73"><sup>73</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>140.12</td><td>6.770</td><td>1068</td><td>3716</td><td>0.192</td><td>1.12</td><td>66.5</td><td>primordial</td><td>solid</td></tr><tr><td>59</td><td>Pr</td><td><a href="/facts/Praseodymium/2lnRJ9dH">Praseodymium</a></td><td><a class="footnote-ref" id="fnref:74" href="#fn:74"><sup>74</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>140.91</td><td>6.77</td><td>1208</td><td>3793</td><td>0.193</td><td>1.13</td><td>9.2</td><td>primordial</td><td>solid</td></tr><tr><td>60</td><td>Nd</td><td><a href="/facts/Neodymium/GzDkTIoI">Neodymium</a></td><td><a class="footnote-ref" id="fnref:75" href="#fn:75"><sup>75</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>144.24</td><td>7.01</td><td>1297</td><td>3347</td><td>0.19</td><td>1.14</td><td>41.5</td><td>primordial</td><td>solid</td></tr><tr><td>61</td><td>Pm</td><td><a href="/facts/Promethium/8xvCz9Rg">Promethium</a></td><td><a class="footnote-ref" id="fnref:76" href="#fn:76"><sup>76</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>[145]</td><td>7.26</td><td>1315</td><td>3273</td><td>–</td><td>1.13</td><td>2×10−19</td><td>from decay</td><td>solid</td></tr><tr><td>62</td><td>Sm</td><td><a href="/facts/Samarium/09K3kl93">Samarium</a></td><td><a class="footnote-ref" id="fnref:77" href="#fn:77"><sup>77</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>150.36</td><td>7.52</td><td>1345</td><td>2067</td><td>0.197</td><td>1.17</td><td>7.05</td><td>primordial</td><td>solid</td></tr><tr><td>63</td><td>Eu</td><td><a href="/facts/Europium/dqmBm1vr">Europium</a></td><td><a class="footnote-ref" id="fnref:78" href="#fn:78"><sup>78</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>151.96</td><td>5.244</td><td>1099</td><td>1802</td><td>0.182</td><td>1.2</td><td>2</td><td>primordial</td><td>solid</td></tr><tr><td>64</td><td>Gd</td><td><a href="/facts/Gadolinium/eLYUeScu">Gadolinium</a></td><td><a class="footnote-ref" id="fnref:79" href="#fn:79"><sup>79</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>157.25</td><td>7.90</td><td>1585</td><td>3546</td><td>0.236</td><td>1.2</td><td>6.2</td><td>primordial</td><td>solid</td></tr><tr><td>65</td><td>Tb</td><td><a href="/facts/Terbium/ICF3PMED">Terbium</a></td><td><a class="footnote-ref" id="fnref:80" href="#fn:80"><sup>80</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>158.93</td><td>8.23</td><td>1629</td><td>3503</td><td>0.182</td><td>1.2</td><td>1.2</td><td>primordial</td><td>solid</td></tr><tr><td>66</td><td>Dy</td><td><a href="/facts/Dysprosium/eMev6zGS">Dysprosium</a></td><td><a class="footnote-ref" id="fnref:81" href="#fn:81"><sup>81</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>162.50</td><td>8.540</td><td>1680</td><td>2840</td><td>0.17</td><td>1.22</td><td>5.2</td><td>primordial</td><td>solid</td></tr><tr><td>67</td><td>Ho</td><td><a href="/facts/Holmium/C73kJVtp">Holmium</a></td><td><a class="footnote-ref" id="fnref:82" href="#fn:82"><sup>82</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>164.93</td><td>8.79</td><td>1734</td><td>2993</td><td>0.165</td><td>1.23</td><td>1.3</td><td>primordial</td><td>solid</td></tr><tr><td>68</td><td>Er</td><td><a href="/facts/Erbium/XEJlgJcx">Erbium</a></td><td><a class="footnote-ref" id="fnref:83" href="#fn:83"><sup>83</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>167.26</td><td>9.066</td><td>1802</td><td>3141</td><td>0.168</td><td>1.24</td><td>3.5</td><td>primordial</td><td>solid</td></tr><tr><td>69</td><td>Tm</td><td><a href="/facts/Thulium/G2905xhd">Thulium</a></td><td><a class="footnote-ref" id="fnref:84" href="#fn:84"><sup>84</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>168.93</td><td>9.32</td><td>1818</td><td>2223</td><td>0.16</td><td>1.25</td><td>0.52</td><td>primordial</td><td>solid</td></tr><tr><td>70</td><td>Yb</td><td><a href="/facts/Ytterbium/3lerM9uf">Ytterbium</a></td><td><a class="footnote-ref" id="fnref:85" href="#fn:85"><sup>85</sup></a></td><td>f-block groups</td><td>6</td><td>f-block</td><td>173.05</td><td>6.90</td><td>1097</td><td>1469</td><td>0.155</td><td>1.1</td><td>3.2</td><td>primordial</td><td>solid</td></tr><tr><td>71</td><td>Lu</td><td><a href="/facts/Lutetium/URlmnYG8">Lutetium</a></td><td><a class="footnote-ref" id="fnref:86" href="#fn:86"><sup>86</sup></a></td><td>3</td><td>6</td><td>d-block</td><td>174.97</td><td>9.841</td><td>1925</td><td>3675</td><td>0.154</td><td>1.27</td><td>0.8</td><td>primordial</td><td>solid</td></tr><tr><td>72</td><td>Hf</td><td><a href="/facts/Hafnium/rBNnlxDS">Hafnium</a></td><td><a class="footnote-ref" id="fnref:87" href="#fn:87"><sup>87</sup></a></td><td>4</td><td>6</td><td>d-block</td><td>178.49</td><td>13.31</td><td>2506</td><td>4876</td><td>0.144</td><td>1.3</td><td>3</td><td>primordial</td><td>solid</td></tr><tr><td>73</td><td>Ta</td><td><a href="/facts/Tantalum/VwaxMm33">Tantalum</a></td><td><a class="footnote-ref" id="fnref:88" href="#fn:88"><sup>88</sup></a></td><td>5</td><td>6</td><td>d-block</td><td>180.95</td><td>16.69</td><td>3290</td><td>5731</td><td>0.14</td><td>1.5</td><td>2</td><td>primordial</td><td>solid</td></tr><tr><td>74</td><td>W</td><td><a href="/facts/Tungsten/WYwbNDYX">Tungsten</a></td><td><a class="footnote-ref" id="fnref:89" href="#fn:89"><sup>89</sup></a></td><td>6</td><td>6</td><td>d-block</td><td>183.84</td><td>19.25</td><td>3695</td><td>6203</td><td>0.132</td><td>2.36</td><td>1.3</td><td>primordial</td><td>solid</td></tr><tr><td>75</td><td>Re</td><td><a href="/facts/Rhenium/TzyqJYEn">Rhenium</a></td><td><a class="footnote-ref" id="fnref:90" href="#fn:90"><sup>90</sup></a></td><td>7</td><td>6</td><td>d-block</td><td>186.21</td><td>21.02</td><td>3459</td><td>5869</td><td>0.137</td><td>1.9</td><td>7×10−4</td><td>primordial</td><td>solid</td></tr><tr><td>76</td><td>Os</td><td><a href="/facts/Osmium/1TjXD69n">Osmium</a></td><td><a class="footnote-ref" id="fnref:91" href="#fn:91"><sup>91</sup></a></td><td>8</td><td>6</td><td>d-block</td><td>190.23</td><td>22.59</td><td>3306</td><td>5285</td><td>0.13</td><td>2.2</td><td>0.002</td><td>primordial</td><td>solid</td></tr><tr><td>77</td><td>Ir</td><td><a href="/facts/Iridium/TFQutoj1">Iridium</a></td><td><a class="footnote-ref" id="fnref:92" href="#fn:92"><sup>92</sup></a></td><td>9</td><td>6</td><td>d-block</td><td>192.22</td><td>22.56</td><td>2719</td><td>4701</td><td>0.131</td><td>2.20</td><td>0.001</td><td>primordial</td><td>solid</td></tr><tr><td>78</td><td>Pt</td><td><a href="/facts/Platinum/qJC6lQf7">Platinum</a></td><td><a class="footnote-ref" id="fnref:93" href="#fn:93"><sup>93</sup></a></td><td>10</td><td>6</td><td>d-block</td><td>195.08</td><td>21.45</td><td>2041.4</td><td>4098</td><td>0.133</td><td>2.28</td><td>0.005</td><td>primordial</td><td>solid</td></tr><tr><td>79</td><td>Au</td><td><a href="/facts/Gold/1znknojp">Gold</a></td><td><a class="footnote-ref" id="fnref:94" href="#fn:94"><sup>94</sup></a></td><td>11</td><td>6</td><td>d-block</td><td>196.97</td><td>19.3</td><td>1337.33</td><td>3129</td><td>0.129</td><td>2.54</td><td>0.004</td><td>primordial</td><td>solid</td></tr><tr><td>80</td><td>Hg</td><td><a href="/facts/Mercury_(element)/WlxfoHva">Mercury</a></td><td><a class="footnote-ref" id="fnref:95" href="#fn:95"><sup>95</sup></a></td><td>12</td><td>6</td><td>d-block</td><td>200.59</td><td>13.534</td><td>234.43</td><td>629.88</td><td>0.14</td><td>2.00</td><td>0.085</td><td>primordial</td><td>liquid</td></tr><tr><td>81</td><td>Tl</td><td><a href="/facts/Thallium/v35pGMJB">Thallium</a></td><td><a class="footnote-ref" id="fnref:96" href="#fn:96"><sup>96</sup></a></td><td>13</td><td>6</td><td>p-block</td><td>204.38</td><td>11.85</td><td>577</td><td>1746</td><td>0.129</td><td>1.62</td><td>0.85</td><td>primordial</td><td>solid</td></tr><tr><td>82</td><td>Pb</td><td><a href="/facts/Lead/EYljasJN">Lead</a></td><td><a class="footnote-ref" id="fnref:97" href="#fn:97"><sup>97</sup></a></td><td>14</td><td>6</td><td>p-block</td><td>207.2</td><td>11.34</td><td>600.61</td><td>2022</td><td>0.129</td><td>1.87 (<a href="/facts/Oxidation_State/W53W6s6V">2+</a>)2.33 (4+)</td><td>14</td><td>primordial</td><td>solid</td></tr><tr><td>83</td><td>Bi</td><td><a href="/facts/Bismuth/75FLjkoX">Bismuth</a></td><td><a class="footnote-ref" id="fnref:98" href="#fn:98"><sup>98</sup></a></td><td>15</td><td>6</td><td>p-block</td><td>208.98</td><td>9.78</td><td>544.7</td><td>1837</td><td>0.122</td><td>2.02</td><td>0.009</td><td>primordial</td><td>solid</td></tr><tr><td>84</td><td>Po</td><td><a href="/facts/Polonium/G4rzsyjP">Polonium</a></td><td><a class="footnote-ref" id="fnref:99" href="#fn:99"><sup>99</sup></a></td><td>16</td><td>6</td><td>p-block</td><td>[209]<a class="footnote-ref" id="fnref:100" href="#fn:100"><sup>100</sup></a></td><td>9.196</td><td>527</td><td>1235</td><td>–</td><td>2.0</td><td>2×10−10</td><td>from decay</td><td>solid</td></tr><tr><td>85</td><td>At</td><td><a href="/facts/Astatine/AlbHPBK5">Astatine</a></td><td><a class="footnote-ref" id="fnref:101" href="#fn:101"><sup>101</sup></a></td><td>17</td><td>6</td><td>p-block</td><td>[210]</td><td>(8.91–8.95)</td><td>575</td><td>610</td><td>–</td><td>2.2</td><td>3×10−20</td><td>from decay</td><td><a href="/facts/State_of_matter/ojlIA1UF">unknown phase</a></td></tr><tr><td>86</td><td>Rn</td><td><a href="/facts/Radon/0V9arWKl">Radon</a></td><td><a class="footnote-ref" id="fnref:102" href="#fn:102"><sup>102</sup></a></td><td>18</td><td>6</td><td>p-block</td><td>[222]</td><td>0.00973</td><td>202</td><td>211.3</td><td>0.094</td><td>2.2</td><td>4×10−13</td><td>from decay</td><td>gas</td></tr><tr><td>87</td><td>Fr</td><td><a href="/facts/Francium/P3Rz4gDP">Francium</a></td><td><a class="footnote-ref" id="fnref:103" href="#fn:103"><sup>103</sup></a></td><td>1</td><td>7</td><td>s-block</td><td>[223]</td><td>(2.48)</td><td>281</td><td>890</td><td>–</td><td>>0.79<a class="footnote-ref" id="fnref:104" href="#fn:104"><sup>104</sup></a></td><td>~ 1×10−18</td><td>from decay</td><td>unknown phase</td></tr><tr><td>88</td><td>Ra</td><td><a href="/facts/Radium/VWo5gkzn">Radium</a></td><td><a class="footnote-ref" id="fnref:105" href="#fn:105"><sup>105</sup></a></td><td>2</td><td>7</td><td>s-block</td><td>[226]</td><td>5.5</td><td>973</td><td>2010</td><td>0.094</td><td>0.9</td><td>9×10−7</td><td>from decay</td><td>solid</td></tr><tr><td>89</td><td>Ac</td><td><a href="/facts/Actinium/GMQtJ4Gm">Actinium</a></td><td><a class="footnote-ref" id="fnref:106" href="#fn:106"><sup>106</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[227]</td><td>10</td><td>1323</td><td>3471</td><td>0.12</td><td>1.1</td><td>5.5×10−10</td><td>from decay</td><td>solid</td></tr><tr><td>90</td><td>Th</td><td><a href="/facts/Thorium/ysdWH470">Thorium</a></td><td><a class="footnote-ref" id="fnref:107" href="#fn:107"><sup>107</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>232.04</td><td>11.7</td><td>2115</td><td>5061</td><td>0.113</td><td>1.3</td><td>9.6</td><td>primordial</td><td>solid</td></tr><tr><td>91</td><td>Pa</td><td><a href="/facts/Protactinium/v87VqTPf">Protactinium</a></td><td><a class="footnote-ref" id="fnref:108" href="#fn:108"><sup>108</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>231.04</td><td>15.37</td><td>1841</td><td>4300</td><td>–</td><td>1.5</td><td>1.4×10−6</td><td>from decay</td><td>solid</td></tr><tr><td>92</td><td>U</td><td><a href="/facts/Uranium/n2sGWBzU">Uranium</a></td><td><a class="footnote-ref" id="fnref:109" href="#fn:109"><sup>109</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>238.03</td><td>19.1</td><td>1405.3</td><td>4404</td><td>0.116</td><td>1.38</td><td>2.7</td><td>primordial</td><td>solid</td></tr><tr><td>93</td><td>Np</td><td><a href="/facts/Neptunium/pwp7Yvds">Neptunium</a></td><td><a class="footnote-ref" id="fnref:110" href="#fn:110"><sup>110</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[237]</td><td>20.45</td><td>917</td><td>4273</td><td>–</td><td>1.36</td><td>≤ 3×10−12</td><td>from decay</td><td>solid</td></tr><tr><td>94</td><td>Pu</td><td><a href="/facts/Plutonium/4bUw9zH3">Plutonium</a></td><td><a class="footnote-ref" id="fnref:111" href="#fn:111"><sup>111</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[244]</td><td>19.85</td><td>912.5</td><td>3501</td><td>–</td><td>1.28</td><td>≤ 3×10−11</td><td>from decay</td><td>solid</td></tr><tr><td>95</td><td>Am</td><td><a href="/facts/Americium/rxL9Yc64">Americium</a></td><td><a class="footnote-ref" id="fnref:112" href="#fn:112"><sup>112</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[243]</td><td>12</td><td>1449</td><td>2880</td><td>–</td><td>1.13</td><td>–</td><td><a href="/facts/Synthetic_element/azU9Nr1m">synthetic</a></td><td>solid</td></tr><tr><td>96</td><td>Cm</td><td><a href="/facts/Curium/LMyWXg8l">Curium</a></td><td><a class="footnote-ref" id="fnref:113" href="#fn:113"><sup>113</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[247]</td><td>13.51</td><td>1613</td><td>3383</td><td>–</td><td>1.28</td><td>–</td><td>synthetic</td><td>solid</td></tr><tr><td>97</td><td>Bk</td><td><a href="/facts/Berkelium/ePryEYy3">Berkelium</a></td><td><a class="footnote-ref" id="fnref:114" href="#fn:114"><sup>114</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[247]</td><td>14.78</td><td>1259</td><td>2900</td><td>–</td><td>1.3</td><td>–</td><td>synthetic</td><td>solid</td></tr><tr><td>98</td><td>Cf</td><td><a href="/facts/Californium/AJVjoVut">Californium</a></td><td><a class="footnote-ref" id="fnref:115" href="#fn:115"><sup>115</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[251]</td><td>15.1</td><td>1173</td><td>(1743)<a class="footnote-ref" id="fnref:116" href="#fn:116"><sup>116</sup></a></td><td>–</td><td>1.3</td><td>–</td><td>synthetic</td><td>solid</td></tr><tr><td>99</td><td>Es</td><td><a href="/facts/Einsteinium/RePoIVN9">Einsteinium</a></td><td><a class="footnote-ref" id="fnref:117" href="#fn:117"><sup>117</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[252]</td><td>8.84</td><td>1133</td><td>(1269)</td><td>–</td><td>1.3</td><td>–</td><td>synthetic</td><td>solid</td></tr><tr><td>100</td><td>Fm</td><td><a href="/facts/Fermium/Us3rnvG5">Fermium</a></td><td><a class="footnote-ref" id="fnref:118" href="#fn:118"><sup>118</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[257]</td><td>(9.7)<a class="footnote-ref" id="fnref:119" href="#fn:119"><sup>119</sup></a></td><td>(1125)<a class="footnote-ref" id="fnref:120" href="#fn:120"><sup>120</sup></a>(1800)<a class="footnote-ref" id="fnref:121" href="#fn:121"><sup>121</sup></a></td><td>–</td><td>–</td><td>1.3</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>101</td><td>Md</td><td><a href="/facts/Mendelevium/bEHBu18F">Mendelevium</a></td><td><a class="footnote-ref" id="fnref:122" href="#fn:122"><sup>122</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[258]</td><td>(10.3)</td><td>(1100)</td><td>–</td><td>–</td><td>1.3</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>102</td><td>No</td><td><a href="/facts/Nobelium/syRkloSw">Nobelium</a></td><td><a class="footnote-ref" id="fnref:123" href="#fn:123"><sup>123</sup></a></td><td>f-block groups</td><td>7</td><td>f-block</td><td>[259]</td><td>(9.9)</td><td>(1100)</td><td>–</td><td>–</td><td>1.3</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>103</td><td>Lr</td><td><a href="/facts/Lawrencium/HVw2LVlx">Lawrencium</a></td><td><a class="footnote-ref" id="fnref:124" href="#fn:124"><sup>124</sup></a></td><td>3</td><td>7</td><td>d-block</td><td>[266]</td><td>(14.4)</td><td>(1900)</td><td>–</td><td>–</td><td>1.3</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>104</td><td>Rf</td><td><a href="/facts/Rutherfordium/44LSnv9p">Rutherfordium</a></td><td><a class="footnote-ref" id="fnref:125" href="#fn:125"><sup>125</sup></a></td><td>4</td><td>7</td><td>d-block</td><td>[267]</td><td>(17)</td><td>(2400)</td><td>(5800)</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>105</td><td>Db</td><td><a href="/facts/Dubnium/3CHC1lEt">Dubnium</a></td><td><a class="footnote-ref" id="fnref:126" href="#fn:126"><sup>126</sup></a></td><td>5</td><td>7</td><td>d-block</td><td>[268]</td><td>(21.6)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>106</td><td>Sg</td><td><a href="/facts/Seaborgium/ejs0Ap6P">Seaborgium</a></td><td><a class="footnote-ref" id="fnref:127" href="#fn:127"><sup>127</sup></a></td><td>6</td><td>7</td><td>d-block</td><td>[267]</td><td>(23–24)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>107</td><td>Bh</td><td><a href="/facts/Bohrium/epvp3GWM">Bohrium</a></td><td><a class="footnote-ref" id="fnref:128" href="#fn:128"><sup>128</sup></a></td><td>7</td><td>7</td><td>d-block</td><td>[270]</td><td>(26–27)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>108</td><td>Hs</td><td><a href="/facts/Hassium/t0bgGzwt">Hassium</a></td><td><a class="footnote-ref" id="fnref:129" href="#fn:129"><sup>129</sup></a></td><td>8</td><td>7</td><td>d-block</td><td>[271]</td><td>(27–29)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>109</td><td>Mt</td><td><a href="/facts/Meitnerium/pKaD3sRY">Meitnerium</a></td><td><a class="footnote-ref" id="fnref:130" href="#fn:130"><sup>130</sup></a></td><td>9</td><td>7</td><td>d-block</td><td>[278]</td><td>(27–28)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>110</td><td>Ds</td><td><a href="/facts/Darmstadtium/etmwTLmP">Darmstadtium</a></td><td><a class="footnote-ref" id="fnref:131" href="#fn:131"><sup>131</sup></a></td><td>10</td><td>7</td><td>d-block</td><td>[281]</td><td>(26–27)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>111</td><td>Rg</td><td><a href="/facts/Roentgenium/LEhvJaJQ">Roentgenium</a></td><td><a class="footnote-ref" id="fnref:132" href="#fn:132"><sup>132</sup></a></td><td>11</td><td>7</td><td>d-block</td><td>[282]</td><td>(22–24)</td><td>–</td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>112</td><td>Cn</td><td><a href="/facts/Copernicium/EhgyBkg0">Copernicium</a></td><td><a class="footnote-ref" id="fnref:133" href="#fn:133"><sup>133</sup></a></td><td>12</td><td>7</td><td>d-block</td><td>[285]</td><td>(14.0)</td><td>(283±11)</td><td>(340±10)<a class="footnote-ref" id="fnref:134" href="#fn:134"><sup>134</sup></a></td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>113</td><td>Nh</td><td><a href="/facts/Nihonium/sb09p5dv">Nihonium</a></td><td><a class="footnote-ref" id="fnref:135" href="#fn:135"><sup>135</sup></a></td><td>13</td><td>7</td><td>p-block</td><td>[286]</td><td>(16)</td><td>(700)</td><td>(1400)</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>114</td><td>Fl</td><td><a href="/facts/Flerovium/Aa7uGMuG">Flerovium</a></td><td><a class="footnote-ref" id="fnref:136" href="#fn:136"><sup>136</sup></a></td><td>14</td><td>7</td><td>p-block</td><td>[289]</td><td>(11.4±0.3)</td><td>(284±50)<a class="footnote-ref" id="fnref:137" href="#fn:137"><sup>137</sup></a></td><td>–</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>115</td><td>Mc</td><td><a href="/facts/Moscovium/QhSEr0H5">Moscovium</a></td><td><a class="footnote-ref" id="fnref:138" href="#fn:138"><sup>138</sup></a></td><td>15</td><td>7</td><td>p-block</td><td>[290]</td><td>(13.5)</td><td>(700)</td><td>(1400)</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>116</td><td>Lv</td><td><a href="/facts/Livermorium/nQc1FE6E">Livermorium</a></td><td><a class="footnote-ref" id="fnref:139" href="#fn:139"><sup>139</sup></a></td><td>16</td><td>7</td><td>p-block</td><td>[293]</td><td>(12.9)</td><td>(700)</td><td>(1100)</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>117</td><td>Ts</td><td><a href="/facts/Tennessine/eGCBDvEr">Tennessine</a></td><td><a class="footnote-ref" id="fnref:140" href="#fn:140"><sup>140</sup></a></td><td>17</td><td>7</td><td>p-block</td><td>[294]</td><td>(7.1–7.3)</td><td>(700)</td><td>(883)</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr><tr><td>118</td><td>Og</td><td><a href="/facts/Oganesson/zs5MQDjV">Oganesson</a></td><td><a class="footnote-ref" id="fnref:141" href="#fn:141"><sup>141</sup></a></td><td>18</td><td>7</td><td>p-block</td><td>[294]</td><td>(7)</td><td>(325±15)</td><td>(450±10)</td><td>–</td><td>–</td><td>–</td><td>synthetic</td><td>unknown phase</td></tr></tbody></table> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/List_of_people_whose_names_are_used_in_chemical_element_names/YsQ3dTHb">List of people whose names are used in chemical element names</a></li> <li><a href="/facts/List_of_places_used_in_the_names_of_chemical_elements/o5XkD5MX">List of places used in the names of chemical elements</a></li> <li><a href="/facts/List_of_chemical_element_name_etymologies/SC6vo2rK">List of chemical element name etymologies</a></li> <li><a href="/facts/Roles_of_chemical_elements/bK5zaTNa">Roles of chemical elements</a></li> <li><a href="/facts/Extended_periodic_table/Q3rg3qLA">Extended periodic table</a> Theories about undiscovered elements</li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.thingsmadethinkable.com/item/atoms.php">Atoms made thinkable</a>, an interactive visualisation of the elements allowing physical and chemical properties of the elements to be compared</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>IUPAC, Compendium of Chemical Terminology, 2nd ed. (the "Gold Book") (1997). Online corrected version: (2006–) "chemical element". doi:10.1351/goldbook.C01022 <a href="/wiki/International_Union_of_Pure_and_Applied_Chemistry" target="_blank">/wiki/International_Union_of_Pure_and_Applied_Chemistry</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Periodic Table – Royal Society of Chemistry". www.rsc.org. <a href="http://www.rsc.org/periodic-table" target="_blank">http://www.rsc.org/periodic-table</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>"Online Etymology Dictionary". etymonline.com. <a href="http://etymonline.com" target="_blank">http://etymonline.com</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Standard atomic weight or Ar°(E)'1.0080': abridged value, uncertainty ignored here'[97]', [ ] notation: mass number of most stable isotope <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Values in ( ) brackets are predictions <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>Density (sources) <a href="/wiki/Densities_of_the_elements_(data_page)" target="_blank">/wiki/Densities_of_the_elements_(data_page)</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Melting point in kelvin (K) (sources) <a href="/wiki/Kelvin" target="_blank">/wiki/Kelvin</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Boiling point in kelvin (K) (sources) <a href="/wiki/Kelvin" target="_blank">/wiki/Kelvin</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Heat capacity (sources) <a href="/wiki/Heat_capacities_of_the_elements_(data_page)" target="_blank">/wiki/Heat_capacities_of_the_elements_(data_page)</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Electronegativity by Pauling (source) <a href="/wiki/Electronegativities_of_the_elements_(data_page)" target="_blank">/wiki/Electronegativities_of_the_elements_(data_page)</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Abundance of elements in Earth's crust <a href="/wiki/Abundance_of_elements_in_Earth%27s_crust" target="_blank">/wiki/Abundance_of_elements_in_Earth%27s_crust</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Primordial (=Earth's origin), from decay, or synthetic <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Phase at Standard state (25°C [77°F], 100 kPa) <a href="/wiki/Standard_state" target="_blank">/wiki/Standard_state</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>Greek roots hydro- + -gen, 'water-forming' <a href="/wiki/Greek_language" target="_blank">/wiki/Greek_language</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>Greek hḗlios 'sun' <a href="/wiki/Sun" target="_blank">/wiki/Sun</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>Melting point: helium does not solidify at a pressure of 1 atmosphere. Helium can only solidify at pressures above 25 atm. <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>Greek líthos 'stone' <a href="/wiki/Stone" target="_blank">/wiki/Stone</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> <li id="fn:18"><p>Beryl, mineral (ultimately after Belur, Karnataka, India?)[4] <a href="/wiki/Beryl" target="_blank">/wiki/Beryl</a> <a href="#fnref:18" class="footnote-back-ref">↩</a></p></li> <li id="fn:19"><p>Borax, mineral (from Arabic: bawraq, Middle Persian: *bōrag) <a href="/wiki/Borax" target="_blank">/wiki/Borax</a> <a href="#fnref:19" class="footnote-back-ref">↩</a></p></li> <li id="fn:20"><p>Latin carbo 'coal' <a href="/wiki/Latin" target="_blank">/wiki/Latin</a> <a href="#fnref:20" class="footnote-back-ref">↩</a></p></li> <li id="fn:21"><p>Greek nítron + -gen, 'niter-forming' <a href="/wiki/Niter" target="_blank">/wiki/Niter</a> <a href="#fnref:21" class="footnote-back-ref">↩</a></p></li> <li id="fn:22"><p>Greek oxy- + -gen, 'acid-forming' <a href="/wiki/Acid" target="_blank">/wiki/Acid</a> <a href="#fnref:22" class="footnote-back-ref">↩</a></p></li> <li id="fn:23"><p>Latin fluo 'to flow' <a href="#fnref:23" class="footnote-back-ref">↩</a></p></li> <li id="fn:24"><p>Greek néon 'new' <a href="#fnref:24" class="footnote-back-ref">↩</a></p></li> <li id="fn:25"><p>Coined by Humphry Davy who first isolated it, from English soda (specifically caustic soda), via Italian from Arabic ṣudāʕ 'headache' <a href="/wiki/Humphry_Davy" target="_blank">/wiki/Humphry_Davy</a> <a href="#fnref:25" class="footnote-back-ref">↩</a></p></li> <li id="fn:26"><p>Magnesia region, eastern Thessaly, Greece <a href="/wiki/Magnesia_(regional_unit)" target="_blank">/wiki/Magnesia_(regional_unit)</a> <a href="#fnref:26" class="footnote-back-ref">↩</a></p></li> <li id="fn:27"><p>Alumina, from Latin alumen (gen. aluminis) 'bitter salt, alum' <a href="/wiki/Aluminium_oxide" target="_blank">/wiki/Aluminium_oxide</a> <a href="#fnref:27" class="footnote-back-ref">↩</a></p></li> <li id="fn:28"><p>Latin silex 'flint' (originally silicium) <a href="/wiki/Flint" target="_blank">/wiki/Flint</a> <a href="#fnref:28" class="footnote-back-ref">↩</a></p></li> <li id="fn:29"><p>Greek phōsphóros 'light-bearing' <a href="#fnref:29" class="footnote-back-ref">↩</a></p></li> <li id="fn:30"><p>Latin <a href="#fnref:30" class="footnote-back-ref">↩</a></p></li> <li id="fn:31"><p>Greek chlōrós 'greenish yellow' <a href="#fnref:31" class="footnote-back-ref">↩</a></p></li> <li id="fn:32"><p>Greek argós 'idle' (it is inert) <a href="/wiki/Chemically_inert" target="_blank">/wiki/Chemically_inert</a> <a href="#fnref:32" class="footnote-back-ref">↩</a></p></li> <li id="fn:33"><p>Neo-Latin potassa 'potash', from pot + ash <a href="/wiki/Neo-Latin" target="_blank">/wiki/Neo-Latin</a> <a href="#fnref:33" class="footnote-back-ref">↩</a></p></li> <li id="fn:34"><p>Latin calx 'lime' <a href="/wiki/Lime_(material)" target="_blank">/wiki/Lime_(material)</a> <a href="#fnref:34" class="footnote-back-ref">↩</a></p></li> <li id="fn:35"><p>Latin Scandia 'Scandinavia' <a href="/wiki/Scandinavia" target="_blank">/wiki/Scandinavia</a> <a href="#fnref:35" class="footnote-back-ref">↩</a></p></li> <li id="fn:36"><p>Titans, children of Gaia and Ouranos <a href="/wiki/Titans" target="_blank">/wiki/Titans</a> <a href="#fnref:36" class="footnote-back-ref">↩</a></p></li> <li id="fn:37"><p>Vanadis, a name for Norse goddess Freyja <a href="/wiki/List_of_names_of_Freyja" target="_blank">/wiki/List_of_names_of_Freyja</a> <a href="#fnref:37" class="footnote-back-ref">↩</a></p></li> <li id="fn:38"><p>Greek chróma 'color' <a href="/wiki/Color" target="_blank">/wiki/Color</a> <a href="#fnref:38" class="footnote-back-ref">↩</a></p></li> <li id="fn:39"><p>Corrupted from magnesia negra; see magnesium <a href="https://en.wiktionary.org/wiki/magnesia#Latin" target="_blank">https://en.wiktionary.org/wiki/magnesia#Latin</a> <a href="#fnref:39" class="footnote-back-ref">↩</a></p></li> <li id="fn:40"><p>English, from Proto-Celtic *īsarnom 'iron', from a root meaning 'blood' <a href="/wiki/Proto-Celtic" target="_blank">/wiki/Proto-Celtic</a> <a href="#fnref:40" class="footnote-back-ref">↩</a></p></li> <li id="fn:41"><p>German Kobold, 'goblin' <a href="/wiki/German_language" target="_blank">/wiki/German_language</a> <a href="#fnref:41" class="footnote-back-ref">↩</a></p></li> <li id="fn:42"><p>Nickel, a mischievous sprite in German miner mythology <a href="/wiki/Sprite_(folklore)" target="_blank">/wiki/Sprite_(folklore)</a> <a href="#fnref:42" class="footnote-back-ref">↩</a></p></li> <li id="fn:43"><p>English, from Latin cuprum, after Cyprus <a href="https://en.wiktionary.org/wiki/cuprum#Latin" target="_blank">https://en.wiktionary.org/wiki/cuprum#Latin</a> <a href="#fnref:43" class="footnote-back-ref">↩</a></p></li> <li id="fn:44"><p>Most likely German Zinke, 'prong, tooth', but some suggest Persian sang 'stone' <a href="https://en.wiktionary.org/wiki/Zinke#German" target="_blank">https://en.wiktionary.org/wiki/Zinke#German</a> <a href="#fnref:44" class="footnote-back-ref">↩</a></p></li> <li id="fn:45"><p>Latin Gallia 'France' <a href="/wiki/Gallia" target="_blank">/wiki/Gallia</a> <a href="#fnref:45" class="footnote-back-ref">↩</a></p></li> <li id="fn:46"><p>Latin Germania 'Germany' <a href="/wiki/Germania" target="_blank">/wiki/Germania</a> <a href="#fnref:46" class="footnote-back-ref">↩</a></p></li> <li id="fn:47"><p>Middle English, from Middle French arsenic, from Greek arsenikón 'yellow arsenic' (influenced by arsenikós 'masculine, virile'), from a West Asian wanderword ultimately from Old Persian: *zarniya-ka, lit. 'golden' <a href="/wiki/Middle_French" target="_blank">/wiki/Middle_French</a> <a href="#fnref:47" class="footnote-back-ref">↩</a></p></li> <li id="fn:48"><p>Arsenic sublimes at 1 atmosphere pressure. <a href="#fnref:48" class="footnote-back-ref">↩</a></p></li> <li id="fn:49"><p>Greek selḗnē 'moon' <a href="https://en.wiktionary.org/wiki/%CF%83%CE%B5%CE%BB%CE%AE%CE%BD%CE%B7#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CF%83%CE%B5%CE%BB%CE%AE%CE%BD%CE%B7#Ancient_Greek</a> <a href="#fnref:49" class="footnote-back-ref">↩</a></p></li> <li id="fn:50"><p>Greek brômos 'stench' <a href="https://en.wiktionary.org/wiki/%CE%B2%CF%81%E1%BF%B6%CE%BC%CE%BF%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%B2%CF%81%E1%BF%B6%CE%BC%CE%BF%CF%82#Ancient_Greek</a> <a href="#fnref:50" class="footnote-back-ref">↩</a></p></li> <li id="fn:51"><p>Greek kryptós 'hidden' <a href="https://en.wiktionary.org/wiki/%CE%BA%CF%81%CF%85%CF%80%CF%84%CF%8C%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%BA%CF%81%CF%85%CF%80%CF%84%CF%8C%CF%82#Ancient_Greek</a> <a href="#fnref:51" class="footnote-back-ref">↩</a></p></li> <li id="fn:52"><p>Latin rubidus 'deep red' <a href="https://en.wiktionary.org/wiki/rubidus#Latin" target="_blank">https://en.wiktionary.org/wiki/rubidus#Latin</a> <a href="#fnref:52" class="footnote-back-ref">↩</a></p></li> <li id="fn:53"><p>Strontian, a village in Scotland, where it was found <a href="/wiki/Strontian" target="_blank">/wiki/Strontian</a> <a href="#fnref:53" class="footnote-back-ref">↩</a></p></li> <li id="fn:54"><p>Ytterby, Sweden, where it was found; see terbium, erbium, ytterbium <a href="/wiki/Ytterby" target="_blank">/wiki/Ytterby</a> <a href="#fnref:54" class="footnote-back-ref">↩</a></p></li> <li id="fn:55"><p>Zircon, mineral, from Persian zargun 'gold-hued' <a href="/wiki/Zircon" target="_blank">/wiki/Zircon</a> <a href="#fnref:55" class="footnote-back-ref">↩</a></p></li> <li id="fn:56"><p>Niobe, daughter of king Tantalus in Greek myth; see tantalum <a href="/wiki/Niobe" target="_blank">/wiki/Niobe</a> <a href="#fnref:56" class="footnote-back-ref">↩</a></p></li> <li id="fn:57"><p>Greek molýbdaina 'piece of lead', from mólybdos 'lead', due to confusion with lead ore galena (PbS) <a href="https://en.wiktionary.org/wiki/%CE%BC%CE%BF%CE%BB%CF%8D%CE%B2%CE%B4%CE%B1%CE%B9%CE%BD%CE%B1#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%BC%CE%BF%CE%BB%CF%8D%CE%B2%CE%B4%CE%B1%CE%B9%CE%BD%CE%B1#Ancient_Greek</a> <a href="#fnref:57" class="footnote-back-ref">↩</a></p></li> <li id="fn:58"><p>Greek tekhnētós 'artificial' <a href="https://en.wiktionary.org/wiki/%CF%84%CE%B5%CF%87%CE%BD%CE%B7%CF%84%CF%8C%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CF%84%CE%B5%CF%87%CE%BD%CE%B7%CF%84%CF%8C%CF%82#Ancient_Greek</a> <a href="#fnref:58" class="footnote-back-ref">↩</a></p></li> <li id="fn:59"><p>Neo-Latin Ruthenia 'Russia' <a href="/wiki/Ruthenia" target="_blank">/wiki/Ruthenia</a> <a href="#fnref:59" class="footnote-back-ref">↩</a></p></li> <li id="fn:60"><p>Greek rhodóeis 'rose-colored', from rhódon 'rose' <a href="https://en.wiktionary.org/wiki/%E1%BF%A5%CE%BF%CE%B4%CF%8C%CE%B5%CE%B9%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%E1%BF%A5%CE%BF%CE%B4%CF%8C%CE%B5%CE%B9%CF%82#Ancient_Greek</a> <a href="#fnref:60" class="footnote-back-ref">↩</a></p></li> <li id="fn:61"><p>Pallas, asteroid, then considered a planet <a href="/wiki/2_Pallas" target="_blank">/wiki/2_Pallas</a> <a href="#fnref:61" class="footnote-back-ref">↩</a></p></li> <li id="fn:62"><p>English, from Proto-Germanic <a href="#fnref:62" class="footnote-back-ref">↩</a></p></li> <li id="fn:63"><p>Neo-Latin cadmia 'calamine', from King Cadmus, mythic founder of Thebes <a href="https://en.wiktionary.org/wiki/cadmia#Latin" target="_blank">https://en.wiktionary.org/wiki/cadmia#Latin</a> <a href="#fnref:63" class="footnote-back-ref">↩</a></p></li> <li id="fn:64"><p>Latin indicum 'indigo', the blue color named after India and observed in its spectral lines <a href="https://en.wiktionary.org/wiki/indicum#Latin" target="_blank">https://en.wiktionary.org/wiki/indicum#Latin</a> <a href="#fnref:64" class="footnote-back-ref">↩</a></p></li> <li id="fn:65"><p>English, from Proto-Germanic <a href="#fnref:65" class="footnote-back-ref">↩</a></p></li> <li id="fn:66"><p>Latin antimonium, of unclear origin: folk etymologies suggest Greek antí 'against' + mónos 'alone', or Old French anti-moine 'monk's bane', but could be from or related to Arabic ʾiṯmid 'antimony' <a href="https://en.wiktionary.org/wiki/antimonium#Latin" target="_blank">https://en.wiktionary.org/wiki/antimonium#Latin</a> <a href="#fnref:66" class="footnote-back-ref">↩</a></p></li> <li id="fn:67"><p>Latin tellus 'ground, earth' <a href="https://en.wiktionary.org/wiki/tellus#Latin" target="_blank">https://en.wiktionary.org/wiki/tellus#Latin</a> <a href="#fnref:67" class="footnote-back-ref">↩</a></p></li> <li id="fn:68"><p>French iode, from Greek ioeidḗs 'violet' <a href="https://en.wiktionary.org/wiki/#French" target="_blank">https://en.wiktionary.org/wiki/#French</a> <a href="#fnref:68" class="footnote-back-ref">↩</a></p></li> <li id="fn:69"><p>Greek xénon, neuter of xénos 'strange, foreign' <a href="https://en.wiktionary.org/wiki/%CE%BE%CE%AD%CE%BD%CE%BF%CE%BD#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%BE%CE%AD%CE%BD%CE%BF%CE%BD#Ancient_Greek</a> <a href="#fnref:69" class="footnote-back-ref">↩</a></p></li> <li id="fn:70"><p>Latin caesius 'sky-blue' <a href="https://en.wiktionary.org/wiki/caesius#Latin" target="_blank">https://en.wiktionary.org/wiki/caesius#Latin</a> <a href="#fnref:70" class="footnote-back-ref">↩</a></p></li> <li id="fn:71"><p>Greek barýs 'heavy' <a href="https://en.wiktionary.org/wiki/%CE%B2%CE%B1%CF%81%CF%8D%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%B2%CE%B1%CF%81%CF%8D%CF%82#Ancient_Greek</a> <a href="#fnref:71" class="footnote-back-ref">↩</a></p></li> <li id="fn:72"><p>Greek lanthánein 'to lie hidden' <a href="https://en.wiktionary.org/wiki/%CE%BB%E1%BE%B0%CE%BD%CE%B8%E1%BE%B0%CC%81%CE%BD%CE%B5%CE%B9%CE%BD#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%BB%E1%BE%B0%CE%BD%CE%B8%E1%BE%B0%CC%81%CE%BD%CE%B5%CE%B9%CE%BD#Ancient_Greek</a> <a href="#fnref:72" class="footnote-back-ref">↩</a></p></li> <li id="fn:73"><p>Ceres (dwarf planet), then considered a planet <a href="/wiki/Ceres_(dwarf_planet)" target="_blank">/wiki/Ceres_(dwarf_planet)</a> <a href="#fnref:73" class="footnote-back-ref">↩</a></p></li> <li id="fn:74"><p>Greek prásios dídymos 'green twin' <a href="https://en.wiktionary.org/wiki/%CF%80%CF%81%CE%AC%CF%83%CE%B9%CE%BF%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CF%80%CF%81%CE%AC%CF%83%CE%B9%CE%BF%CF%82#Ancient_Greek</a> <a href="#fnref:74" class="footnote-back-ref">↩</a></p></li> <li id="fn:75"><p>Greek néos dídymos 'new twin' <a href="https://en.wiktionary.org/wiki/%CE%BD%CE%AD%CE%BF%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%BD%CE%AD%CE%BF%CF%82#Ancient_Greek</a> <a href="#fnref:75" class="footnote-back-ref">↩</a></p></li> <li id="fn:76"><p>Prometheus, a Titan <a href="/wiki/Prometheus" target="_blank">/wiki/Prometheus</a> <a href="#fnref:76" class="footnote-back-ref">↩</a></p></li> <li id="fn:77"><p>Samarskite, a mineral named after V. Samarsky-Bykhovets, Russian mine official <a href="/wiki/Samarskite" target="_blank">/wiki/Samarskite</a> <a href="#fnref:77" class="footnote-back-ref">↩</a></p></li> <li id="fn:78"><p>Europe <a href="/wiki/Europe" target="_blank">/wiki/Europe</a> <a href="#fnref:78" class="footnote-back-ref">↩</a></p></li> <li id="fn:79"><p>Gadolinite, a mineral named after Johan Gadolin, Finnish chemist, physicist and mineralogist <a href="/wiki/Gadolinite" target="_blank">/wiki/Gadolinite</a> <a href="#fnref:79" class="footnote-back-ref">↩</a></p></li> <li id="fn:80"><p>Ytterby, Sweden, where it was found; see yttrium, erbium, ytterbium <a href="/wiki/Ytterby" target="_blank">/wiki/Ytterby</a> <a href="#fnref:80" class="footnote-back-ref">↩</a></p></li> <li id="fn:81"><p>Greek dysprósitos 'hard to get' <a href="https://en.wiktionary.org/wiki/%CE%B4%CF%85%CF%83%CF%80%CF%81%CF%8C%CF%83%CE%B9%CF%84%CE%BF%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%B4%CF%85%CF%83%CF%80%CF%81%CF%8C%CF%83%CE%B9%CF%84%CE%BF%CF%82#Ancient_Greek</a> <a href="#fnref:81" class="footnote-back-ref">↩</a></p></li> <li id="fn:82"><p>Neo-Latin Holmia 'Stockholm' <a href="/wiki/Stockholm" target="_blank">/wiki/Stockholm</a> <a href="#fnref:82" class="footnote-back-ref">↩</a></p></li> <li id="fn:83"><p>Ytterby, where it was found; see yttrium, terbium, ytterbium <a href="/wiki/Ytterby" target="_blank">/wiki/Ytterby</a> <a href="#fnref:83" class="footnote-back-ref">↩</a></p></li> <li id="fn:84"><p>Thule, the ancient name for an unclear northern location <a href="/wiki/Thule" target="_blank">/wiki/Thule</a> <a href="#fnref:84" class="footnote-back-ref">↩</a></p></li> <li id="fn:85"><p>Ytterby, where it was found; see yttrium, terbium, erbium <a href="/wiki/Ytterby" target="_blank">/wiki/Ytterby</a> <a href="#fnref:85" class="footnote-back-ref">↩</a></p></li> <li id="fn:86"><p>Latin Lutetia 'Paris' <a href="/wiki/Lutetia" target="_blank">/wiki/Lutetia</a> <a href="#fnref:86" class="footnote-back-ref">↩</a></p></li> <li id="fn:87"><p>Neo-Latin Hafnia 'Copenhagen' (from Danish havn, harbor) <a href="/wiki/Copenhagen" target="_blank">/wiki/Copenhagen</a> <a href="#fnref:87" class="footnote-back-ref">↩</a></p></li> <li id="fn:88"><p>King Tantalus, father of Niobe in Greek myth; see niobium <a href="/wiki/Tantalus" target="_blank">/wiki/Tantalus</a> <a href="#fnref:88" class="footnote-back-ref">↩</a></p></li> <li id="fn:89"><p>Swedish tung sten 'heavy stone' <a href="https://en.wiktionary.org/wiki/tung#Swedish" target="_blank">https://en.wiktionary.org/wiki/tung#Swedish</a> <a href="#fnref:89" class="footnote-back-ref">↩</a></p></li> <li id="fn:90"><p>Latin Rhenus 'Rhine' <a href="https://en.wiktionary.org/wiki/Rhenus#Latin" target="_blank">https://en.wiktionary.org/wiki/Rhenus#Latin</a> <a href="#fnref:90" class="footnote-back-ref">↩</a></p></li> <li id="fn:91"><p>Greek osmḗ 'smell' <a href="https://en.wiktionary.org/wiki/%E1%BD%80%CF%83%CE%BC%CE%AE#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%E1%BD%80%CF%83%CE%BC%CE%AE#Ancient_Greek</a> <a href="#fnref:91" class="footnote-back-ref">↩</a></p></li> <li id="fn:92"><p>Iris, Greek goddess of rainbow <a href="/wiki/Iris_(mythology)" target="_blank">/wiki/Iris_(mythology)</a> <a href="#fnref:92" class="footnote-back-ref">↩</a></p></li> <li id="fn:93"><p>Spanish platina 'little silver', from plata 'silver' <a href="/wiki/Spanish_language" target="_blank">/wiki/Spanish_language</a> <a href="#fnref:93" class="footnote-back-ref">↩</a></p></li> <li id="fn:94"><p>English, from same Proto-Indo-European root as 'yellow' <a href="#fnref:94" class="footnote-back-ref">↩</a></p></li> <li id="fn:95"><p>Mercury, Roman god of commerce, communication, and luck, known for his speed and mobility <a href="/wiki/Mercury_(mythology)" target="_blank">/wiki/Mercury_(mythology)</a> <a href="#fnref:95" class="footnote-back-ref">↩</a></p></li> <li id="fn:96"><p>Greek thallós 'green shoot / twig' <a href="https://en.wiktionary.org/wiki/%CE%B8%CE%B1%CE%BB%CE%BB%CF%8C%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%CE%B8%CE%B1%CE%BB%CE%BB%CF%8C%CF%82#Ancient_Greek</a> <a href="#fnref:96" class="footnote-back-ref">↩</a></p></li> <li id="fn:97"><p>English, from Proto-Celtic *ɸloudom, from a root meaning 'flow' <a href="/wiki/Proto-Celtic" target="_blank">/wiki/Proto-Celtic</a> <a href="#fnref:97" class="footnote-back-ref">↩</a></p></li> <li id="fn:98"><p>German Wismut, via Latin and Arabic from Greek psimúthion 'white lead' <a href="https://en.wiktionary.org/wiki/Wismut#German" target="_blank">https://en.wiktionary.org/wiki/Wismut#German</a> <a href="#fnref:98" class="footnote-back-ref">↩</a></p></li> <li id="fn:99"><p>Latin Polonia 'Poland', home country of discoverer Marie Curie <a href="https://en.wiktionary.org/wiki/Polonia#Latin" target="_blank">https://en.wiktionary.org/wiki/Polonia#Latin</a> <a href="#fnref:99" class="footnote-back-ref">↩</a></p></li> <li id="fn:100"><p>Standard atomic weight or Ar°(E)'1.0080': abridged value, uncertainty ignored here'[97]', [ ] notation: mass number of most stable isotope <a href="#fnref:100" class="footnote-back-ref">↩</a></p></li> <li id="fn:101"><p>Greek ástatos 'unstable'; it has no stable isotopes <a href="https://en.wiktionary.org/wiki/%E1%BC%84%CF%83%CF%84%CE%B1%CF%84%CE%BF%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%E1%BC%84%CF%83%CF%84%CE%B1%CF%84%CE%BF%CF%82#Ancient_Greek</a> <a href="#fnref:101" class="footnote-back-ref">↩</a></p></li> <li id="fn:102"><p>Radium emanation, originally the name of 222Rn <a href="/wiki/Radium_emanation" target="_blank">/wiki/Radium_emanation</a> <a href="#fnref:102" class="footnote-back-ref">↩</a></p></li> <li id="fn:103"><p>France, home country of discoverer Marguerite Perey <a href="/wiki/France" target="_blank">/wiki/France</a> <a href="#fnref:103" class="footnote-back-ref">↩</a></p></li> <li id="fn:104"><p>Originally assessed as 0.7 by Pauling but never revised after other elements' electronegativities were updated for precision. Predicted to be higher than that of caesium. <a href="#fnref:104" class="footnote-back-ref">↩</a></p></li> <li id="fn:105"><p>Coined in French by discoverer Marie Curie, from Latin radius 'ray' <a href="/wiki/Marie_Curie" target="_blank">/wiki/Marie_Curie</a> <a href="#fnref:105" class="footnote-back-ref">↩</a></p></li> <li id="fn:106"><p>Greek aktís 'ray' <a href="https://en.wiktionary.org/wiki/%E1%BC%80%CE%BA%CF%84%CE%AF%CF%82#Ancient_Greek" target="_blank">https://en.wiktionary.org/wiki/%E1%BC%80%CE%BA%CF%84%CE%AF%CF%82#Ancient_Greek</a> <a href="#fnref:106" class="footnote-back-ref">↩</a></p></li> <li id="fn:107"><p>Thor, the Norse god of thunder <a href="/wiki/Thor" target="_blank">/wiki/Thor</a> <a href="#fnref:107" class="footnote-back-ref">↩</a></p></li> <li id="fn:108"><p>English prefix proto- (from Greek prôtos 'first, before') + actinium; protactinium decays into actinium. <a href="https://en.wiktionary.org/wiki/proto-#English" target="_blank">https://en.wiktionary.org/wiki/proto-#English</a> <a href="#fnref:108" class="footnote-back-ref">↩</a></p></li> <li id="fn:109"><p>Uranus, the seventh planet <a href="/wiki/Uranus" target="_blank">/wiki/Uranus</a> <a href="#fnref:109" class="footnote-back-ref">↩</a></p></li> <li id="fn:110"><p>Neptune, the eighth planet <a href="/wiki/Neptune" target="_blank">/wiki/Neptune</a> <a href="#fnref:110" class="footnote-back-ref">↩</a></p></li> <li id="fn:111"><p>Pluto, dwarf planet, then considered a planet <a href="/wiki/Pluto" target="_blank">/wiki/Pluto</a> <a href="#fnref:111" class="footnote-back-ref">↩</a></p></li> <li id="fn:112"><p>Americas, where the element was first synthesized, by analogy with its homolog europium <a href="/wiki/Americas" target="_blank">/wiki/Americas</a> <a href="#fnref:112" class="footnote-back-ref">↩</a></p></li> <li id="fn:113"><p>Pierre and Marie Curie, physicists and chemists <a href="/wiki/Pierre_Curie" target="_blank">/wiki/Pierre_Curie</a> <a href="#fnref:113" class="footnote-back-ref">↩</a></p></li> <li id="fn:114"><p>Berkeley, California, where it was first synthesized <a href="/wiki/Berkeley,_California" target="_blank">/wiki/Berkeley,_California</a> <a href="#fnref:114" class="footnote-back-ref">↩</a></p></li> <li id="fn:115"><p>California, where it was first synthesized in LBNL <a href="/wiki/California" target="_blank">/wiki/California</a> <a href="#fnref:115" class="footnote-back-ref">↩</a></p></li> <li id="fn:116"><p>Values in ( ) brackets are predictions <a href="#fnref:116" class="footnote-back-ref">↩</a></p></li> <li id="fn:117"><p>Albert Einstein, German physicist <a href="/wiki/Albert_Einstein" target="_blank">/wiki/Albert_Einstein</a> <a href="#fnref:117" class="footnote-back-ref">↩</a></p></li> <li id="fn:118"><p>Enrico Fermi, Italian physicist <a href="/wiki/Enrico_Fermi" target="_blank">/wiki/Enrico_Fermi</a> <a href="#fnref:118" class="footnote-back-ref">↩</a></p></li> <li id="fn:119"><p>Values in ( ) brackets are predictions <a href="#fnref:119" class="footnote-back-ref">↩</a></p></li> <li id="fn:120"><p>Konings, Rudy J. M.; Beneš, Ondrej. "The Thermodynamic Properties of the 𝑓-Elements and Their Compounds. I. The Lanthanide and Actinide Metals". Journal of Physical and Chemical Reference Data. doi:10.1063/1.3474238. <a href="https://aip.scitation.org/doi/10.1063/1.3474238" target="_blank">https://aip.scitation.org/doi/10.1063/1.3474238</a> <a href="#fnref:120" class="footnote-back-ref">↩</a></p></li> <li id="fn:121"><p>"Fermium". RSC. <a href="https://www.rsc.org/periodic-table/element/100/fermium" target="_blank">https://www.rsc.org/periodic-table/element/100/fermium</a> <a href="#fnref:121" class="footnote-back-ref">↩</a></p></li> <li id="fn:122"><p>Dmitri Mendeleev, Russian chemist who proposed the periodic table <a href="/wiki/Dmitri_Mendeleev" target="_blank">/wiki/Dmitri_Mendeleev</a> <a href="#fnref:122" class="footnote-back-ref">↩</a></p></li> <li id="fn:123"><p>Alfred Nobel, Swedish chemist and engineer <a href="/wiki/Alfred_Nobel" target="_blank">/wiki/Alfred_Nobel</a> <a href="#fnref:123" class="footnote-back-ref">↩</a></p></li> <li id="fn:124"><p>Ernest Lawrence, American physicist <a href="/wiki/Ernest_Lawrence" target="_blank">/wiki/Ernest_Lawrence</a> <a href="#fnref:124" class="footnote-back-ref">↩</a></p></li> <li id="fn:125"><p>Ernest Rutherford, chemist and physicist from New Zealand <a href="/wiki/Ernest_Rutherford" target="_blank">/wiki/Ernest_Rutherford</a> <a href="#fnref:125" class="footnote-back-ref">↩</a></p></li> <li id="fn:126"><p>Dubna, Russia, where it was discovered in JINR <a href="/wiki/Dubna" target="_blank">/wiki/Dubna</a> <a href="#fnref:126" class="footnote-back-ref">↩</a></p></li> <li id="fn:127"><p>Glenn Seaborg, American chemist <a href="/wiki/Glenn_Seaborg" target="_blank">/wiki/Glenn_Seaborg</a> <a href="#fnref:127" class="footnote-back-ref">↩</a></p></li> <li id="fn:128"><p>Niels Bohr, Danish physicist <a href="/wiki/Niels_Bohr" target="_blank">/wiki/Niels_Bohr</a> <a href="#fnref:128" class="footnote-back-ref">↩</a></p></li> <li id="fn:129"><p>Neo-Latin Hassia 'Hesse', a state in Germany <a href="/wiki/Hesse" target="_blank">/wiki/Hesse</a> <a href="#fnref:129" class="footnote-back-ref">↩</a></p></li> <li id="fn:130"><p>Lise Meitner, Austrian physicist <a href="/wiki/Lise_Meitner" target="_blank">/wiki/Lise_Meitner</a> <a href="#fnref:130" class="footnote-back-ref">↩</a></p></li> <li id="fn:131"><p>Darmstadt, Germany, where it was first synthesized in the GSI labs <a href="/wiki/Darmstadt" target="_blank">/wiki/Darmstadt</a> <a href="#fnref:131" class="footnote-back-ref">↩</a></p></li> <li id="fn:132"><p>Wilhelm Röntgen, German physicist <a href="/wiki/Wilhelm_R%C3%B6ntgen" target="_blank">/wiki/Wilhelm_R%C3%B6ntgen</a> <a href="#fnref:132" class="footnote-back-ref">↩</a></p></li> <li id="fn:133"><p>Nicolaus Copernicus, Polish astronomer <a href="/wiki/Nicolaus_Copernicus" target="_blank">/wiki/Nicolaus_Copernicus</a> <a href="#fnref:133" class="footnote-back-ref">↩</a></p></li> <li id="fn:134"><p>Values in ( ) brackets are predictions <a href="#fnref:134" class="footnote-back-ref">↩</a></p></li> <li id="fn:135"><p>Japanese Nihon 'Japan', where it was first synthesized in Riken <a href="/wiki/Japanese_language" target="_blank">/wiki/Japanese_language</a> <a href="#fnref:135" class="footnote-back-ref">↩</a></p></li> <li id="fn:136"><p>Flerov Laboratory of Nuclear Reactions, part of JINR, where it was synthesized; itself named after Georgy Flyorov, Russian physicist <a href="/wiki/Joint_Institute_for_Nuclear_Research" target="_blank">/wiki/Joint_Institute_for_Nuclear_Research</a> <a href="#fnref:136" class="footnote-back-ref">↩</a></p></li> <li id="fn:137"><p>Values in ( ) brackets are predictions <a href="#fnref:137" class="footnote-back-ref">↩</a></p></li> <li id="fn:138"><p>Moscow, Russia, where it was first synthesized in JINR <a href="/wiki/Moscow" target="_blank">/wiki/Moscow</a> <a href="#fnref:138" class="footnote-back-ref">↩</a></p></li> <li id="fn:139"><p>Lawrence Livermore National Laboratory in Livermore, California <a href="/wiki/Lawrence_Livermore_National_Laboratory" target="_blank">/wiki/Lawrence_Livermore_National_Laboratory</a> <a href="#fnref:139" class="footnote-back-ref">↩</a></p></li> <li id="fn:140"><p>Tennessee, US, home to ORNL <a href="/wiki/Tennessee" target="_blank">/wiki/Tennessee</a> <a href="#fnref:140" class="footnote-back-ref">↩</a></p></li> <li id="fn:141"><p>Yuri Oganessian, Russian physicist <a href="/wiki/Yuri_Oganessian" target="_blank">/wiki/Yuri_Oganessian</a> <a href="#fnref:141" class="footnote-back-ref">↩</a></p></li> </ol>