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class="search-form" action="https://mineralseducationcoalition.org/"> <label> <span class="screen-reader-text">Search for:</span> <input type="search" class="search-field" placeholder="Search" value="" name="s" title="Search for:" /> </label> <button type="submit" class="search-submit"> <i class="fa fa-search" aria-hidden="true"></i> </button> </form></div><div id="text-12" class="widget widget_text"> <div class="textwidget"><a href="/store" class="header-store-button">  Store</a></div> </div></section> </header> <main id="main" class="site-main" role="main"> <header class="content-header" style="background-image: url('https://mineralseducationcoalition.org/wp-content/uploads/title-bg-4.jpg');"> <div class="wrap"> <h1 class="content-header__title" itemprop="name">Periodic Table of the Elements</h1> <p id="breadcrumbs"><span><span><a href="https://mineralseducationcoalition.org/">Home</a></span> <i class="fa"></i> <span><a href="https://mineralseducationcoalition.org/mining-minerals-information/">Mining & Minerals Information</a></span> <i class="fa"></i> <span class="breadcrumb_last" aria-current="page">Periodic Table of the Elements</span></span></p> </div> </header> <div class="wrap"> <div class="prime content-area"> <article id="post-426" class="post-426 page type-page status-publish hentry" itemscope itemType="http://schema.org/WebPage"> <div class="entry-content" itemprop="mainContentOfPage"> <table style="width: 16.4759%; height: 247px;"> <tbody> <tr> <td><img decoding="async" class="alignnone wp-image-6866 " src="https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced-1024x676.jpg" alt="" width="197" height="130" srcset="https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced-1024x676.jpg 1024w, https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced-300x198.jpg 300w, https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced-1536x1014.jpg 1536w, https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced-150x100.jpg 150w, https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced-455x300.jpg 455w, https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced-600x396.jpg 600w, https://mineralseducationcoalition.org/wp-content/uploads/Blue-Marble-Poster-2022-reduced.jpg 1900w" sizes="(max-width: 197px) 100vw, 197px" /></td> <td></td> </tr> <tr> <td style="text-align: center;" colspan="2"><strong>Get the Blue Marble periodic table <a href="https://mineralseducationcoalition.org/store/blue-marble-english-language-double-sided-vinyl-poster/">poster</a>!</strong></td> </tr> </tbody> </table> <p> </p> <p style="text-align: center;">Click on an element to see its history, description, benefits, sources and biological rating.</p> <ul class="wwm_social_share wwm_top_left"><li class="wwm_facebook"></li><li class="wwm_twitter"></li><li class="wwm_pinit"></li></ul><input type="hidden" id="wwm_short_url" value=""/><input type="hidden" id="force_fix" value="0" /><input type="hidden" id="wwm_mode" value="1"/> </div> </article> <div class="periodic-table"> <div class="periodic-table__hidden-table"> <img class="periodic-table__mini-table" src="/wp-content/themes/mec/assets/images/mini-periodic-table.png"> </div> <h2 class="periodic-table__period-title" id="first-period">First Period</h2> <a href="/elements/hydrogen/" class="periodic-table-cell periodic-table-cell--other-nonmetals"> <span class="periodic-table-cell__number">1</span> <span class="periodic-table-cell__symbol">H</span> <span class="periodic-table-cell__name">Hydrogen</span> </a> <div class="periodic-table-cell--empty periodic-table-cell--gap-16"></div> <a href="/elements/helium/" class="periodic-table-cell periodic-table-cell--noble-gases"> <span class="periodic-table-cell__number">2</span> <span class="periodic-table-cell__symbol">He</span> <span class="periodic-table-cell__name">Helium</span> </a> <h2 class="periodic-table__period-title" id="second-period">Second Period</h2> <a href="/elements/lithium/" class="periodic-table-cell periodic-table-cell--alkali-metals"> <span class="periodic-table-cell__number">3</span> <span class="periodic-table-cell__symbol">Li</span> <span class="periodic-table-cell__name">Lithium</span> </a> <a href="/elements/beryllium/" class="periodic-table-cell periodic-table-cell--alkaline-earth-metals"> <span class="periodic-table-cell__number">4</span> <span class="periodic-table-cell__symbol">Be</span> <span class="periodic-table-cell__name">Beryllium</span> </a> <div class="periodic-table-cell--empty periodic-table-cell--gap-10"></div> <a href="/elements/boron/" class="periodic-table-cell periodic-table-cell--metalloids"> <span class="periodic-table-cell__number">5</span> <span class="periodic-table-cell__symbol">B</span> <span class="periodic-table-cell__name">Boron</span> </a> <a href="/elements/carbon/" class="periodic-table-cell periodic-table-cell--other-nonmetals"> <span class="periodic-table-cell__number">6</span> <span class="periodic-table-cell__symbol">C</span> <span class="periodic-table-cell__name">Carbon</span> </a> <a href="/elements/nitrogen/" class="periodic-table-cell periodic-table-cell--other-nonmetals"> <span class="periodic-table-cell__number">7</span> <span class="periodic-table-cell__symbol">N</span> <span class="periodic-table-cell__name">Nitrogen</span> </a> <a href="/elements/oxygen/" class="periodic-table-cell periodic-table-cell--other-nonmetals"> <span class="periodic-table-cell__number">8</span> <span class="periodic-table-cell__symbol">O</span> <span class="periodic-table-cell__name">Oxygen</span> </a> <a href="/elements/fluorine/" class="periodic-table-cell periodic-table-cell--halogens"> <span class="periodic-table-cell__number">9</span> <span class="periodic-table-cell__symbol">F</span> <span class="periodic-table-cell__name">Fluorine</span> </a> <a href="/elements/neon/" class="periodic-table-cell periodic-table-cell--noble-gases"> <span class="periodic-table-cell__number">10</span> <span class="periodic-table-cell__symbol">Ne</span> <span class="periodic-table-cell__name">Neon</span> </a> <h2 class="periodic-table__period-title" id="third-period">Third Period</h2> <a href="/elements/sodium/" class="periodic-table-cell periodic-table-cell--alkali-metals"> <span class="periodic-table-cell__number">11</span> <span class="periodic-table-cell__symbol">Na</span> <span class="periodic-table-cell__name">Sodium</span> </a> <a href="/elements/magnesium/" class="periodic-table-cell periodic-table-cell--alkaline-earth-metals"> <span class="periodic-table-cell__number">12</span> <span class="periodic-table-cell__symbol">Mg</span> <span class="periodic-table-cell__name">Magnesium</span> </a> <div class="periodic-table-cell--empty periodic-table-cell--gap-10"></div> <a href="/elements/aluminum/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">13</span> <span class="periodic-table-cell__symbol">Al</span> <span class="periodic-table-cell__name">Aluminum</span> </a> <a href="/elements/silicon/" class="periodic-table-cell periodic-table-cell--metalloids"> <span class="periodic-table-cell__number">14</span> <span class="periodic-table-cell__symbol">Si</span> <span class="periodic-table-cell__name">Silicon</span> </a> <a href="/elements/phosphorus/" class="periodic-table-cell periodic-table-cell--other-nonmetals"> <span class="periodic-table-cell__number">15</span> <span class="periodic-table-cell__symbol">P</span> <span class="periodic-table-cell__name">Phosphorus</span> </a> <a href="/elements/sulfur/" class="periodic-table-cell periodic-table-cell--other-nonmetals"> <span class="periodic-table-cell__number">16</span> <span class="periodic-table-cell__symbol">S</span> <span class="periodic-table-cell__name">Sulfur</span> </a> <a href="/elements/chlorine/" class="periodic-table-cell periodic-table-cell--halogens"> <span class="periodic-table-cell__number">17</span> <span class="periodic-table-cell__symbol">Cl</span> <span class="periodic-table-cell__name">Chlorine</span> </a> <a href="/elements/argon/" class="periodic-table-cell periodic-table-cell--noble-gases"> <span class="periodic-table-cell__number">18</span> <span class="periodic-table-cell__symbol">Ar</span> <span class="periodic-table-cell__name">Argon</span> </a> <h2 class="periodic-table__period-title" id="fourth-period">Fourth Period</h2> <a href="/elements/potassium/" class="periodic-table-cell periodic-table-cell--alkali-metals"> <span class="periodic-table-cell__number">19</span> <span class="periodic-table-cell__symbol">K</span> <span class="periodic-table-cell__name">Potassium</span> </a> <a href="/elements/calcium/" class="periodic-table-cell periodic-table-cell--alkaline-earth-metals"> <span class="periodic-table-cell__number">20</span> <span class="periodic-table-cell__symbol">Ca</span> <span class="periodic-table-cell__name">Calcium</span> </a> <a href="/elements/scandium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">21</span> <span class="periodic-table-cell__symbol">Sc</span> <span class="periodic-table-cell__name">Scandium</span> </a> <a href="/elements/titanium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">22</span> <span class="periodic-table-cell__symbol">Ti</span> <span class="periodic-table-cell__name">Titanium</span> </a> <a href="/elements/vanadium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">22</span> <span class="periodic-table-cell__symbol">V</span> <span class="periodic-table-cell__name">Vanadium</span> </a> <a href="/elements/chromium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">24</span> <span class="periodic-table-cell__symbol">Cr</span> <span class="periodic-table-cell__name">Chromium</span> </a> <a href="/elements/manganese/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">25</span> <span class="periodic-table-cell__symbol">Mn</span> <span class="periodic-table-cell__name">Manganese</span> </a> <a href="/elements/iron/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">26</span> <span class="periodic-table-cell__symbol">Fe</span> <span class="periodic-table-cell__name">Iron</span> </a> <a href="/elements/cobalt/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">27</span> <span class="periodic-table-cell__symbol">Co</span> <span class="periodic-table-cell__name">Cobalt</span> </a> <a href="/elements/nickel/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">28</span> <span class="periodic-table-cell__symbol">Ni</span> <span class="periodic-table-cell__name">Nickel</span> </a> <a href="/elements/copper/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">29</span> <span class="periodic-table-cell__symbol">Cu</span> <span class="periodic-table-cell__name">Copper</span> </a> <a href="/elements/zinc/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">30</span> <span class="periodic-table-cell__symbol">Zn</span> <span class="periodic-table-cell__name">Zinc</span> </a> <a href="/elements/gallium/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">31</span> <span class="periodic-table-cell__symbol">Ga</span> <span class="periodic-table-cell__name">Gallium</span> </a> <a href="/elements/germanium/" class="periodic-table-cell periodic-table-cell--metalloids"> <span class="periodic-table-cell__number">32</span> <span class="periodic-table-cell__symbol">Ge</span> <span class="periodic-table-cell__name">Germanium</span> </a> <a href="/elements/arsenic/" class="periodic-table-cell periodic-table-cell--metalloids"> <span class="periodic-table-cell__number">33</span> <span class="periodic-table-cell__symbol">As</span> <span class="periodic-table-cell__name">Arsenic</span> </a> <a href="/elements/selenium/" class="periodic-table-cell periodic-table-cell--other-nonmetals"> <span class="periodic-table-cell__number">34</span> <span class="periodic-table-cell__symbol">Se</span> <span class="periodic-table-cell__name">Selenium</span> </a> <a href="/elements/bromine/" class="periodic-table-cell periodic-table-cell--halogens"> <span class="periodic-table-cell__number">35</span> <span class="periodic-table-cell__symbol">Br</span> <span class="periodic-table-cell__name">Bromine</span> </a> <a href="/elements/krypton/" class="periodic-table-cell periodic-table-cell--noble-gases"> <span class="periodic-table-cell__number">36</span> <span class="periodic-table-cell__symbol">Kr</span> <span class="periodic-table-cell__name">Krypton</span> </a> <h2 class="periodic-table__period-title" id="fifth-period">Fifth Period</h2> <a href="/elements/rubidium/" class="periodic-table-cell periodic-table-cell--alkali-metals"> <span class="periodic-table-cell__number">37</span> <span class="periodic-table-cell__symbol">Rb</span> <span class="periodic-table-cell__name">Rubidium</span> </a> <a href="/elements/strontium/" class="periodic-table-cell periodic-table-cell--alkaline-earth-metals"> <span class="periodic-table-cell__number">38</span> <span class="periodic-table-cell__symbol">Sr</span> <span class="periodic-table-cell__name">Strontium</span> </a> <a href="/elements/yttrium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">39</span> <span class="periodic-table-cell__symbol">Y</span> <span class="periodic-table-cell__name">Yttrium</span> </a> <a href="/elements/zirconium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">40</span> <span class="periodic-table-cell__symbol">Zr</span> <span class="periodic-table-cell__name">Zirconium</span> </a> <a href="/elements/niobium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">41</span> <span class="periodic-table-cell__symbol">Nb</span> <span class="periodic-table-cell__name">Niobium</span> </a> <a href="/elements/molybdenum/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">42</span> <span class="periodic-table-cell__symbol">Mo</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Molybdenum</span> </a> <a href="/elements/technetium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">43</span> <span class="periodic-table-cell__symbol">Tc</span> <span class="periodic-table-cell__name">Technetium</span> </a> <a href="/elements/ruthenium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">44</span> <span class="periodic-table-cell__symbol">Ru</span> <span class="periodic-table-cell__name">Ruthenium</span> </a> <a href="/elements/rhodium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">45</span> <span class="periodic-table-cell__symbol">Rh</span> <span class="periodic-table-cell__name">Rhodium</span> </a> <a href="/elements/palladium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">46</span> <span class="periodic-table-cell__symbol">Pd</span> <span class="periodic-table-cell__name">Palladium</span> </a> <a href="/elements/silver/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">47</span> <span class="periodic-table-cell__symbol">Ag</span> <span class="periodic-table-cell__name">Silver</span> </a> <a href="/elements/cadmium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">48</span> <span class="periodic-table-cell__symbol">Cd</span> <span class="periodic-table-cell__name">Cadmium</span> </a> <a href="/elements/indium/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">49</span> <span class="periodic-table-cell__symbol">In</span> <span class="periodic-table-cell__name">Indium</span> </a> <a href="/elements/tin/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">50</span> <span class="periodic-table-cell__symbol">Sn</span> <span class="periodic-table-cell__name">Tin</span> </a> <a href="/elements/antimony/" class="periodic-table-cell periodic-table-cell--metalloids"> <span class="periodic-table-cell__number">51</span> <span class="periodic-table-cell__symbol">Sb</span> <span class="periodic-table-cell__name">Antimony</span> </a> <a href="/elements/tellurium/" class="periodic-table-cell periodic-table-cell--metalloids"> <span class="periodic-table-cell__number">52</span> <span class="periodic-table-cell__symbol">Te</span> <span class="periodic-table-cell__name">Tellurium</span> </a> <a href="/elements/iodine/" class="periodic-table-cell periodic-table-cell--halogens"> <span class="periodic-table-cell__number">53</span> <span class="periodic-table-cell__symbol">I</span> <span class="periodic-table-cell__name">Iodine</span> </a> <a href="/elements/xenon/" class="periodic-table-cell periodic-table-cell--noble-gases"> <span class="periodic-table-cell__number">54</span> <span class="periodic-table-cell__symbol">Xe</span> <span class="periodic-table-cell__name">Xenon</span> </a> <h2 class="periodic-table__period-title" id="sixth-period">Sixth Period</h2> <a href="/elements/caesium/" class="periodic-table-cell periodic-table-cell--alkali-metals"> <span class="periodic-table-cell__number">55</span> <span class="periodic-table-cell__symbol">Cs</span> <span class="periodic-table-cell__name">Caesium</span> </a> <a href="/elements/barium/" class="periodic-table-cell periodic-table-cell--alkaline-earth-metals"> <span class="periodic-table-cell__number">56</span> <span class="periodic-table-cell__symbol">Ba</span> <span class="periodic-table-cell__name">Barium</span> </a> <a href="javascript:void(0)" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">57 - 71</span> <span class="periodic-table-cell__symbol">La-Lu</span> </a> <a href="/elements/hafium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">72</span> <span class="periodic-table-cell__symbol">Hf</span> <span class="periodic-table-cell__name">Hafnium</span> </a> <a href="/elements/tantalum/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">73</span> <span class="periodic-table-cell__symbol">Ta</span> <span class="periodic-table-cell__name">Tantalum</span> </a> <a href="/elements/tungsten/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">74</span> <span class="periodic-table-cell__symbol">W</span> <span class="periodic-table-cell__name">Tungsten</span> </a> <a href="/elements/rhenium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">75</span> <span class="periodic-table-cell__symbol">Re</span> <span class="periodic-table-cell__name">Rhenium</span> </a> <a href="/elements/osmium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">76</span> <span class="periodic-table-cell__symbol">Os</span> <span class="periodic-table-cell__name">Osmium</span> </a> <a href="/elements/iridium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">77</span> <span class="periodic-table-cell__symbol">Ir</span> <span class="periodic-table-cell__name">Iridium</span> </a> <a href="/elements/platinum/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">78</span> <span class="periodic-table-cell__symbol">Pt</span> <span class="periodic-table-cell__name">Platinum</span> </a> <a href="/elements/gold/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">79</span> <span class="periodic-table-cell__symbol">Au</span> <span class="periodic-table-cell__name">Gold</span> </a> <a href="/elements/mercury/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">80</span> <span class="periodic-table-cell__symbol">Hg</span> <span class="periodic-table-cell__name">Mercury</span> </a> <a href="/elements/thallium/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">81</span> <span class="periodic-table-cell__symbol">Tl</span> <span class="periodic-table-cell__name">Thallium</span> </a> <a href="/elements/lead/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">82</span> <span class="periodic-table-cell__symbol">Pb</span> <span class="periodic-table-cell__name">Lead</span> </a> <a href="/elements/bismuth/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">83</span> <span class="periodic-table-cell__symbol">Bi</span> <span class="periodic-table-cell__name">Bismuth</span> </a> <a href="/elements/polonium/" class="periodic-table-cell periodic-table-cell--metalloids"> <span class="periodic-table-cell__number">84</span> <span class="periodic-table-cell__symbol">Po</span> <span class="periodic-table-cell__name">Polonium</span> </a> <a href="/elements/astatine/" class="periodic-table-cell periodic-table-cell--halogens"> <span class="periodic-table-cell__number">85</span> <span class="periodic-table-cell__symbol">At</span> <span class="periodic-table-cell__name">Astatine</span> </a> <a href="/elements/radon/" class="periodic-table-cell periodic-table-cell--noble-gases"> <span class="periodic-table-cell__number">86</span> <span class="periodic-table-cell__symbol">Rn</span> <span class="periodic-table-cell__name">Radon</span> </a> <h2 class="periodic-table__period-title" id="seventh-period">Seventh Period</h2> <a href="/elements/francium/" class="periodic-table-cell periodic-table-cell--alkali-metals"> <span class="periodic-table-cell__number">87</span> <span class="periodic-table-cell__symbol">Fr</span> <span class="periodic-table-cell__name">Francium</span> </a> <a href="/elements/radium/" class="periodic-table-cell periodic-table-cell--alkaline-earth-metals"> <span class="periodic-table-cell__number">88</span> <span class="periodic-table-cell__symbol">Ra</span> <span class="periodic-table-cell__name">Radium</span> </a> <a href="javascript:void(0)" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">89 - 103</span> <span class="periodic-table-cell__symbol">Ac-Lr</span> </a> <a href="/elements/rutherfordium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">104</span> <span class="periodic-table-cell__symbol">Rf</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Rutherfordium</span> </a> <a href="/elements/dubnium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">105</span> <span class="periodic-table-cell__symbol">Db</span> <span class="periodic-table-cell__name">Dubnium</span> </a> <a href="/elements/seaborgium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">106</span> <span class="periodic-table-cell__symbol">Sg</span> <span class="periodic-table-cell__name">Seaborgium</span> </a> <a href="/elements/bohrium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">107</span> <span class="periodic-table-cell__symbol">Bh</span> <span class="periodic-table-cell__name">Bhorium</span> </a> <a href="/elements/hassium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">108</span> <span class="periodic-table-cell__symbol">Hs</span> <span class="periodic-table-cell__name">Hassium</span> </a> <a href="/elements/meitnerium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">109</span> <span class="periodic-table-cell__symbol">Mt</span> <span class="periodic-table-cell__name">Meitnerium</span> </a> <a href="/elements/darmstadtium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">110</span> <span class="periodic-table-cell__symbol">Ds</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Darmstadtium</span> </a> <a href="/elements/roentgenium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">111</span> <span class="periodic-table-cell__symbol">Rg</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Roentgenium</span> </a> <a href="/elements/copernicium/" class="periodic-table-cell periodic-table-cell--transition-metals"> <span class="periodic-table-cell__number">112</span> <span class="periodic-table-cell__symbol">Cn</span> <span class="periodic-table-cell__name">Copernicium</span> </a> <a href="/elements/nihonium/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">113</span> <span class="periodic-table-cell__symbol">Nh</span> <span class="periodic-table-cell__name">Nihonium</span> </a> <a href="/elements/flerovium/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">114</span> <span class="periodic-table-cell__symbol">Fl</span> <span class="periodic-table-cell__name">Flerovium</span> </a> <a href="/elements/moscovium/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">115</span> <span class="periodic-table-cell__symbol">Mc</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Moscovium</span> </a> <a href="/elements/livermorium/" class="periodic-table-cell periodic-table-cell--post-transition-metals"> <span class="periodic-table-cell__number">116</span> <span class="periodic-table-cell__symbol">Lv</span> <span class="periodic-table-cell__name">Livermorium</span> </a> <a href="/elements/tennessine/" class="periodic-table-cell periodic-table-cell--halogens"> <span class="periodic-table-cell__number">117</span> <span class="periodic-table-cell__symbol">Ts</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Tennessine</span> </a> <a href="/elements/oganesson/" class="periodic-table-cell periodic-table-cell--noble-gases"> <span class="periodic-table-cell__number">118</span> <span class="periodic-table-cell__symbol">Og</span> <span class="periodic-table-cell__name">Oganesson</span> </a> </div> <div class="periodic-table"> <h2 class="periodic-table__period-title" id="lanthanoids">Lanthanoids (Sixth Period)</h2> <div class="periodic-table-cell--empty periodic-table-cell--gap-3"></div> <a href="/elements/lanthanum/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">57</span> <span class="periodic-table-cell__symbol">La</span> <span class="periodic-table-cell__name">Lanthanum</span> </a> <a href="/elements/cerium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">58</span> <span class="periodic-table-cell__symbol">Ce</span> <span class="periodic-table-cell__name">Cerium</span> </a> <a href="/elements/praseodymium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">59</span> <span class="periodic-table-cell__symbol">Pr</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Praseodymium</span> </a> <a href="/elements/neodymium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">60</span> <span class="periodic-table-cell__symbol">Nd</span> <span class="periodic-table-cell__name">Neodymium</span> </a> <a href="/elements/Promethium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">61</span> <span class="periodic-table-cell__symbol">Pm</span> <span class="periodic-table-cell__name">Promethium</span> </a> <a href="/elements/samarium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">62</span> <span class="periodic-table-cell__symbol">Sm</span> <span class="periodic-table-cell__name">Samarium</span> </a> <a href="/elements/europium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">63</span> <span class="periodic-table-cell__symbol">Eu</span> <span class="periodic-table-cell__name">Europium</span> </a> <a href="/elements/gadolinium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">64</span> <span class="periodic-table-cell__symbol">Gd</span> <span class="periodic-table-cell__name">Gadolinium</span> </a> <a href="/elements/terbium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">65</span> <span class="periodic-table-cell__symbol">Tb</span> <span class="periodic-table-cell__name">Terbium</span> </a> <a href="/elements/dysprosium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">66</span> <span class="periodic-table-cell__symbol">Dy</span> <span class="periodic-table-cell__name">Dysprosium</span> </a> <a href="/elements/holmium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">67</span> <span class="periodic-table-cell__symbol">Ho</span> <span class="periodic-table-cell__name">Holmium</span> </a> <a href="/elements/erbium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">68</span> <span class="periodic-table-cell__symbol">Er</span> <span class="periodic-table-cell__name">Erbium</span> </a> <a href="/elements/thulium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">69</span> <span class="periodic-table-cell__symbol">Tm</span> <span class="periodic-table-cell__name">Thulium</span> </a> <a href="/elements/ytterbium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">70</span> <span class="periodic-table-cell__symbol">Yb</span> <span class="periodic-table-cell__name">Ytterbium</span> </a> <a href="/elements/lutetium/" class="periodic-table-cell periodic-table-cell--lanthanoids"> <span class="periodic-table-cell__number">71</span> <span class="periodic-table-cell__symbol">Lu</span> <span class="periodic-table-cell__name">Lutetium</span> </a> <h2 class="periodic-table__period-title" id="actinoids">Actinoids (Seventh Period)</h2> <div class="periodic-table-cell--empty periodic-table-cell--gap-3"></div> <a href="/elements/actinium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">89</span> <span class="periodic-table-cell__symbol">Ac</span> <span class="periodic-table-cell__name">Actinium</span> </a> <a href="/elements/thorium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">90</span> <span class="periodic-table-cell__symbol">Th</span> <span class="periodic-table-cell__name">Thorium</span> </a> <a href="/elements/protactinium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">91</span> <span class="periodic-table-cell__symbol">Pa</span> <span class="periodic-table-cell__name">Protactinium</span> </a> <a href="/elements/uranium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">92</span> <span class="periodic-table-cell__symbol">U</span> <span class="periodic-table-cell__name">Uranium</span> </a> <a href="/elements/neptunium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">93</span> <span class="periodic-table-cell__symbol">Np</span> <span class="periodic-table-cell__name">Neptunium</span> </a> <a href="/elements/plutonium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">94</span> <span class="periodic-table-cell__symbol">Pu</span> <span class="periodic-table-cell__name">Plutonium</span> </a> <a href="/elements/Americium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">95</span> <span class="periodic-table-cell__symbol">Am</span> <span class="periodic-table-cell__name">Americium</span> </a> <a href="/elements/curium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">96</span> <span class="periodic-table-cell__symbol">Cm</span> <span class="periodic-table-cell__name">Curium</span> </a> <a href="/elements/berkelium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">97</span> <span class="periodic-table-cell__symbol">Bk</span> <span class="periodic-table-cell__name">Berkelium</span> </a> <a href="/elements/californium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">98</span> <span class="periodic-table-cell__symbol">Cf</span> <span class="periodic-table-cell__name">Californium</span> </a> <a href="/elements/einsteinium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">99</span> <span class="periodic-table-cell__symbol">Es</span> <span class="periodic-table-cell__name">Einsteinium</span> </a> <a href="/elements/fermium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">100</span> <span class="periodic-table-cell__symbol">Fm</span> <span class="periodic-table-cell__name">Fermium</span> </a> <a href="/elements/mendelevium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">101</span> <span class="periodic-table-cell__symbol">Md</span> <span class="periodic-table-cell__name periodic-table-cell__name--small">Mendelevium</span> </a> <a href="/elements/nobelium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">102</span> <span class="periodic-table-cell__symbol">No</span> <span class="periodic-table-cell__name">Nobelium</span> </a> <a href="/elements/lawrencium/" class="periodic-table-cell periodic-table-cell--actinoids"> <span class="periodic-table-cell__number">103</span> <span class="periodic-table-cell__symbol">Lr</span> <span class="periodic-table-cell__name">Lawrencium</span> </a> </div> </div> </div> </main> <footer id="colophon" class="site-footer" role="contentinfo" itemscope="itemscope" itemtype="http://schema.org/WPFooter"> <section class="footer-share"><div class="wrap"><h4 class="footer-share__title">Share this page <a href="https://www.facebook.com/sharer/sharer.php?u="><img src="/wp-content/themes/mec/assets/images/social-facebook@2x.png" width="32" height="32"></a> <a 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