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id="n-recentchanges" class="mw-list-item"><a href="/wiki/Special:RecentChanges" title="The list of new changes in the wiki. [r]" accesskey="r"><span>New changes</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Special:Random" title="Show any page [x]" accesskey="x"><span>Show any page</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Help:Contents" title="The place to get help"><span>Help</span></a></li><li id="n-contactpage" class="mw-list-item"><a href="//simple.wikipedia.org/wiki/Wikipedia:Contact_us"><span>Contact us</span></a></li><li id="n-aboutsite" class="mw-list-item"><a href="/wiki/Wikipedia:About"><span>About Wikipedia</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Main_Page" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipedia" src="/static/images/mobile/copyright/wikipedia-wordmark-en.svg" style="width: 7.5em; height: 1.125em;"> <img 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class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page's font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Appearance" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Appearance</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_simple.wikipedia.org&uselang=en" class=""><span>Give to Wikipedia</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:CreateAccount&returnto=Selenium" title="You are encouraged to create an account and log in; however, it is not mandatory" class=""><span>Create account</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Special:UserLogin&returnto=Selenium" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o" class=""><span>Log in</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="More options" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Personal tools" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Personal tools</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="User menu" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&utm_medium=sidebar&utm_campaign=C13_simple.wikipedia.org&uselang=en"><span>Give to Wikipedia</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:CreateAccount&returnto=Selenium" title="You are encouraged to create an account and log in; however, it is not mandatory"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Create account</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Special:UserLogin&returnto=Selenium" title="You are encouraged to log in; however, it is not mandatory [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Log in</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Pages for logged out editors <a href="/wiki/Help:Introduction" aria-label="Learn more about editing"><span>learn more</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Special:MyContributions" title="A list of edits made from this IP address [y]" accesskey="y"><span>Contributions</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Special:MyTalk" title="Discussion about changes from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-Properties" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Properties</span> </div> </a> <button aria-controls="toc-Properties-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Properties subsection</span> </button> <ul id="toc-Properties-sublist" class="vector-toc-list"> <li id="toc-Physical_properties" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Physical_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Physical properties</span> </div> </a> <ul id="toc-Physical_properties-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Chemical_properties" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Chemical_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Chemical properties</span> </div> </a> <ul id="toc-Chemical_properties-sublist" class="vector-toc-list"> <li id="toc-Chemical_compounds" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Chemical_compounds"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.1</span> <span>Chemical compounds</span> </div> </a> <ul id="toc-Chemical_compounds-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Occurrence" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Occurrence"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Occurrence</span> </div> </a> <ul id="toc-Occurrence-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Preparation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Preparation"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Preparation</span> </div> </a> <ul id="toc-Preparation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Uses" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Uses"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Uses</span> </div> </a> <button aria-controls="toc-Uses-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Uses subsection</span> </button> <ul id="toc-Uses-sublist" class="vector-toc-list"> <li id="toc-In_materials" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#In_materials"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>In materials</span> </div> </a> <ul id="toc-In_materials-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-In_the_human_body" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#In_the_human_body"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>In the human body</span> </div> </a> <ul id="toc-In_the_human_body-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Safety" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Safety"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Safety</span> </div> </a> <ul id="toc-Safety-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Related_pages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Related_pages"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Related pages</span> </div> </a> <ul id="toc-Related_pages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Selenium</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 149 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-149" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">149 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Seleen" title="Seleen – Afrikaans" lang="af" hreflang="af" data-title="Seleen" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%88%B4%E1%88%8A%E1%8A%92%E1%8B%A8%E1%88%9D" title="ሴሊኒየም – Amharic" lang="am" hreflang="am" data-title="ሴሊኒየም" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलेनियम – Angika" lang="anp" hreflang="anp" data-title="सेलेनियम" data-language-autonym="अंगिका" data-language-local-name="Angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://ar.wikipedia.org/wiki/%D8%B3%D9%8A%D9%84%D9%8A%D9%86%D9%8A%D9%88%D9%85" title="سيلينيوم – Arabic" lang="ar" hreflang="ar" data-title="سيلينيوم" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Selenio" title="Selenio – Aragonese" lang="an" hreflang="an" data-title="Selenio" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%8D%D5%A5%D5%B2%D5%A7%D5%B6" title="Սեղէն – Western Armenian" lang="hyw" hreflang="hyw" data-title="Սեղէն" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Seleniu" title="Seleniu – Aromanian" lang="rup" hreflang="rup" data-title="Seleniu" data-language-autonym="Armãneashti" data-language-local-name="Aromanian" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Seleniu" title="Seleniu – Asturian" lang="ast" hreflang="ast" data-title="Seleniu" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-awa mw-list-item"><a href="https://awa.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलेनियम – Awadhi" lang="awa" hreflang="awa" data-title="सेलेनियम" data-language-autonym="अवधी" data-language-local-name="Awadhi" class="interlanguage-link-target"><span>अवधी</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Selen" title="Selen – Azerbaijani" lang="az" hreflang="az" data-title="Selen" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/S%C3%A9l%C3%A9nium" title="Sélénium – Balinese" lang="ban" hreflang="ban" data-title="Sélénium" data-language-autonym="Basa Bali" data-language-local-name="Balinese" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B8%E0%A7%87%E0%A6%B2%E0%A7%87%E0%A6%A8%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%AE" title="সেলেনিয়াম – Bangla" lang="bn" hreflang="bn" data-title="সেলেনিয়াম" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Selenium" title="Selenium – Minnan" lang="nan" hreflang="nan" data-title="Selenium" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Bashkir" lang="ba" hreflang="ba" data-title="Селен" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Belarusian" lang="be" hreflang="be" data-title="Селен" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A1%D1%8D%D0%BB%D0%B5%D0%BD" title="Сэлен – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Сэлен" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%80%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलीनियम – Bhojpuri" lang="bh" hreflang="bh" data-title="सेलीनियम" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Selenyo" title="Selenyo – Central Bikol" lang="bcl" hreflang="bcl" data-title="Selenyo" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Bulgarian" lang="bg" hreflang="bg" data-title="Селен" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A6%E0%BD%BA%E0%BC%8B%E0%BD%A3%E0%BD%BA%E0%BC%8B%E0%BD%93%E0%BD%B2%E0%BD%98%E0%BC%8D" title="སེ་ལེ་ནིམ། – Tibetan" lang="bo" hreflang="bo" data-title="སེ་ལེ་ནིམ།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Selen" title="Selen – Bosnian" lang="bs" hreflang="bs" data-title="Selen" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Seleniom" title="Seleniom – Breton" lang="br" hreflang="br" data-title="Seleniom" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Seleni" title="Seleni – Catalan" lang="ca" hreflang="ca" data-title="Seleni" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Chuvash" lang="cv" hreflang="cv" data-title="Селен" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Selenio" title="Selenio – Cebuano" lang="ceb" hreflang="ceb" data-title="Selenio" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Selen" title="Selen – Czech" lang="cs" hreflang="cs" data-title="Selen" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Seleniu" title="Seleniu – Corsican" lang="co" hreflang="co" data-title="Seleniu" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Seleniwm" title="Seleniwm – Welsh" lang="cy" hreflang="cy" data-title="Seleniwm" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Selen" title="Selen – Danish" lang="da" hreflang="da" data-title="Selen" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B3%D9%8A%D9%84%D9%8A%D9%86%D9%8A%D9%88%D9%85" title="سيلينيوم – Moroccan Arabic" lang="ary" hreflang="ary" data-title="سيلينيوم" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Selen" title="Selen – German" lang="de" hreflang="de" data-title="Selen" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%90%DE%AC%DE%8D%DE%AC%DE%82%DE%A8%DE%87%DE%A6%DE%89%DE%B0" title="ސެލެނިއަމް – Divehi" lang="dv" hreflang="dv" data-title="ސެލެނިއަމް" data-language-autonym="ދިވެހިބަސް" data-language-local-name="Divehi" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Seleen" title="Seleen – Estonian" lang="et" hreflang="et" data-title="Seleen" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A3%CE%B5%CE%BB%CE%AE%CE%BD%CE%B9%CE%BF" title="Σελήνιο – Greek" lang="el" hreflang="el" data-title="Σελήνιο" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://en.wikipedia.org/wiki/Selenium" title="Selenium – English" lang="en" hreflang="en" data-title="Selenium" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Erzya" lang="myv" hreflang="myv" data-title="Селен" data-language-autonym="Эрзянь" data-language-local-name="Erzya" class="interlanguage-link-target"><span>Эрзянь</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Selenio" title="Selenio – Spanish" lang="es" hreflang="es" data-title="Selenio" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Seleno" title="Seleno – Esperanto" lang="eo" hreflang="eo" data-title="Seleno" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Seleniu" title="Seleniu – Extremaduran" lang="ext" hreflang="ext" data-title="Seleniu" data-language-autonym="Estremeñu" data-language-local-name="Extremaduran" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Selenio" title="Selenio – Basque" lang="eu" hreflang="eu" data-title="Selenio" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D9%84%D9%86%DB%8C%D9%85" title="سلنیم – Persian" lang="fa" hreflang="fa" data-title="سلنیم" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Selenium" title="Selenium – Fiji Hindi" lang="hif" hreflang="hif" data-title="Selenium" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Selen" title="Selen – Faroese" lang="fo" hreflang="fo" data-title="Selen" data-language-autonym="Føroyskt" data-language-local-name="Faroese" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/S%C3%A9l%C3%A9nium" title="Sélénium – French" lang="fr" hreflang="fr" data-title="Sélénium" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Seleni" title="Seleni – Friulian" lang="fur" hreflang="fur" data-title="Seleni" data-language-autonym="Furlan" data-language-local-name="Friulian" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Seil%C3%A9iniam" title="Seiléiniam – Irish" lang="ga" hreflang="ga" data-title="Seiléiniam" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Shellainium" title="Shellainium – Manx" lang="gv" hreflang="gv" data-title="Shellainium" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Selenium" title="Selenium – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Selenium" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Selenio" title="Selenio – Galician" lang="gl" hreflang="gl" data-title="Selenio" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E7%A1%92" title="硒 – Gan" lang="gan" hreflang="gan" data-title="硒" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%B8%E0%AB%87%E0%AA%B2%E0%AA%BF%E0%AA%A8%E0%AB%80%E0%AA%AF%E0%AA%AE" title="સેલિનીયમ – Gujarati" lang="gu" hreflang="gu" data-title="સેલિનીયમ" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Selenium" title="Selenium – Hakka Chinese" lang="hak" hreflang="hak" data-title="Selenium" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Kalmyk" lang="xal" hreflang="xal" data-title="Селен" data-language-autonym="Хальмг" data-language-local-name="Kalmyk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%85%80%EB%A0%88%EB%8A%84" title="셀레늄 – Korean" lang="ko" hreflang="ko" data-title="셀레늄" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8D%D5%A5%D5%AC%D5%A5%D5%B6" title="Սելեն – Armenian" lang="hy" hreflang="hy" data-title="Սելեն" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलेनियम – Hindi" lang="hi" hreflang="hi" data-title="सेलेनियम" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Selenij" title="Selenij – Croatian" lang="hr" hreflang="hr" data-title="Selenij" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Selenio" title="Selenio – Ido" lang="io" hreflang="io" data-title="Selenio" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-ig mw-list-item"><a href="https://ig.wikipedia.org/wiki/Selenium" title="Selenium – Igbo" lang="ig" hreflang="ig" data-title="Selenium" data-language-autonym="Igbo" data-language-local-name="Igbo" class="interlanguage-link-target"><span>Igbo</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Selenium" title="Selenium – Indonesian" lang="id" hreflang="id" data-title="Selenium" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Selenium" title="Selenium – Interlingua" lang="ia" hreflang="ia" data-title="Selenium" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Ossetic" lang="os" hreflang="os" data-title="Селен" data-language-autonym="Ирон" data-language-local-name="Ossetic" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/ISewezi" title="ISewezi – Zulu" lang="zu" hreflang="zu" data-title="ISewezi" data-language-autonym="IsiZulu" data-language-local-name="Zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Selen" title="Selen – Icelandic" lang="is" hreflang="is" data-title="Selen" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Selenio" title="Selenio – Italian" lang="it" hreflang="it" data-title="Selenio" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A1%D7%9C%D7%A0%D7%99%D7%95%D7%9D" title="סלניום – Hebrew" lang="he" hreflang="he" data-title="סלניום" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/S%C3%A8l%C3%A8niyum" title="Sèlèniyum – Javanese" lang="jv" hreflang="jv" data-title="Sèlèniyum" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/S%C9%9Bl%C9%A9n%C9%A9y%C9%94m" title="Sɛlɩnɩyɔm – Kabiye" lang="kbp" hreflang="kbp" data-title="Sɛlɩnɩyɔm" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%B8%E0%B3%86%E0%B2%B2%E0%B3%86%E0%B2%A8%E0%B2%BF%E0%B2%AF%E0%B2%AE%E0%B3%8D" title="ಸೆಲೆನಿಯಮ್ – Kannada" lang="kn" hreflang="kn" data-title="ಸೆಲೆನಿಯಮ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A1%E1%83%94%E1%83%9A%E1%83%94%E1%83%9C%E1%83%98" title="სელენი – Georgian" lang="ka" hreflang="ka" data-title="სელენი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Kazakh" lang="kk" hreflang="kk" data-title="Селен" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Seleniom" title="Seleniom – Cornish" lang="kw" hreflang="kw" data-title="Seleniom" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Seleni" title="Seleni – Swahili" lang="sw" hreflang="sw" data-title="Seleni" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Komi" lang="kv" hreflang="kv" data-title="Селен" data-language-autonym="Коми" data-language-local-name="Komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Seleny%C3%B2m" title="Selenyòm – Haitian Creole" lang="ht" hreflang="ht" data-title="Selenyòm" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Kyrgyz" lang="ky" hreflang="ky" data-title="Селен" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Western Mari" lang="mrj" hreflang="mrj" data-title="Селен" data-language-autonym="Кырык мары" data-language-local-name="Western Mari" class="interlanguage-link-target"><span>Кырык мары</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Selenium" title="Selenium – Latin" lang="la" hreflang="la" data-title="Selenium" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Sel%C4%93ns" title="Selēns – Latvian" lang="lv" hreflang="lv" data-title="Selēns" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Selen" title="Selen – Luxembourgish" lang="lb" hreflang="lb" data-title="Selen" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Selenas" title="Selenas – Lithuanian" lang="lt" hreflang="lt" data-title="Selenas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Selenio" title="Selenio – Ligurian" lang="lij" hreflang="lij" data-title="Selenio" data-language-autonym="Ligure" data-language-local-name="Ligurian" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Seleen" title="Seleen – Limburgish" lang="li" hreflang="li" data-title="Seleen" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Selen" title="Selen – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Selen" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/lurcmu" title="lurcmu – Lojban" lang="jbo" hreflang="jbo" data-title="lurcmu" data-language-autonym="La .lojban." data-language-local-name="Lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Selenio" title="Selenio – Lombard" lang="lmo" hreflang="lmo" data-title="Selenio" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Szel%C3%A9n" title="Szelén – Hungarian" lang="hu" hreflang="hu" data-title="Szelén" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Macedonian" lang="mk" hreflang="mk" data-title="Селен" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B8%E0%B5%86%E0%B4%B2%E0%B5%80%E0%B4%A8%E0%B4%BF%E0%B4%AF%E0%B4%82" title="സെലീനിയം – Malayalam" lang="ml" hreflang="ml" data-title="സെലീനിയം" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलेनियम – Marathi" lang="mr" hreflang="mr" data-title="सेलेनियम" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%B3%D9%8A%D9%84%D9%8A%D9%86%D9%8A%D9%88%D9%85" title="سيلينيوم – Egyptian Arabic" lang="arz" hreflang="arz" data-title="سيلينيوم" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Selenium" title="Selenium – Malay" lang="ms" hreflang="ms" data-title="Selenium" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/S%C4%83%CC%A4_(g%C3%B3-t%C4%81%CC%A4)" title="Să̤ (gó-tā̤) – Mindong" lang="cdo" hreflang="cdo" data-title="Să̤ (gó-tā̤)" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD%D0%B8" title="Селени – Mongolian" lang="mn" hreflang="mn" data-title="Селени" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%86%E1%80%AE%E1%80%9C%E1%80%AE%E1%80%94%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="ဆီလီနီယမ် – Burmese" lang="my" hreflang="my" data-title="ဆီလီနီယမ်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Seleen" title="Seleen – Dutch" lang="nl" hreflang="nl" data-title="Seleen" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलेनियम – Newari" lang="new" hreflang="new" data-title="सेलेनियम" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%BB%E3%83%AC%E3%83%B3" title="セレン – Japanese" lang="ja" hreflang="ja" data-title="セレン" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Seleen" title="Seleen – Northern Frisian" lang="frr" hreflang="frr" data-title="Seleen" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Selen" title="Selen – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Selen" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Selen" title="Selen – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Selen" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Sel%C3%A8ni" title="Selèni – Occitan" lang="oc" hreflang="oc" data-title="Selèni" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Selen" title="Selen – Uzbek" lang="uz" hreflang="uz" data-title="Selen" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B8%E0%A8%BF%E0%A8%B2%E0%A9%80%E0%A8%A8%E0%A9%80%E0%A8%85%E0%A8%AE" title="ਸਿਲੀਨੀਅਮ – Punjabi" lang="pa" hreflang="pa" data-title="ਸਿਲੀਨੀਅਮ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pi mw-list-item"><a href="https://pi.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलेनियम – Pali" lang="pi" hreflang="pi" data-title="सेलेनियम" data-language-autonym="पालि" data-language-local-name="Pali" class="interlanguage-link-target"><span>पालि</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%B3%D9%84%DB%8C%D9%86%DB%8C%D9%85" title="سلینیم – Western Punjabi" lang="pnb" hreflang="pnb" data-title="سلینیم" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/%E1%80%9E%E1%80%AE%E1%80%9C%E1%80%AE%E1%80%94%E1%80%AE%E1%80%9A%E1%80%99%E1%80%BA" title="သီလီနီယမ် – Pa'O" lang="blk" hreflang="blk" data-title="သီလီနီယမ်" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%B3%DB%90%D9%84%DB%90%D9%86%D9%8A%D9%88%D9%85" title="سېلېنيوم – Pashto" lang="ps" hreflang="ps" data-title="سېلېنيوم" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Seleni" title="Seleni – Piedmontese" lang="pms" hreflang="pms" data-title="Seleni" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Selen" title="Selen – Low German" lang="nds" hreflang="nds" data-title="Selen" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Selen" title="Selen – Polish" lang="pl" hreflang="pl" data-title="Selen" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Sel%C3%AAnio" title="Selênio – Portuguese" lang="pt" hreflang="pt" data-title="Selênio" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Seleniu" title="Seleniu – Romanian" lang="ro" hreflang="ro" data-title="Seleniu" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Silinyu" title="Silinyu – Quechua" lang="qu" hreflang="qu" data-title="Silinyu" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Russian" lang="ru" hreflang="ru" data-title="Селен" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%B8%E0%A5%87%E0%A4%B2%E0%A5%87%E0%A4%A8%E0%A4%BF%E0%A4%AF%E0%A4%AE" title="सेलेनियम – Sanskrit" lang="sa" hreflang="sa" data-title="सेलेनियम" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Sel%C3%A8niu" title="Selèniu – Sardinian" lang="sc" hreflang="sc" data-title="Selèniu" data-language-autonym="Sardu" data-language-local-name="Sardinian" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Selen" title="Selen – Saterland Frisian" lang="stq" hreflang="stq" data-title="Selen" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Seleni" title="Seleni – Albanian" lang="sq" hreflang="sq" data-title="Seleni" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Sileniu" title="Sileniu – Sicilian" lang="scn" hreflang="scn" data-title="Sileniu" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Sel%C3%A9n" title="Selén – Slovak" lang="sk" hreflang="sk" data-title="Selén" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Selen" title="Selen – Slovenian" lang="sl" hreflang="sl" data-title="Selen" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Seleniyaam" title="Seleniyaam – Somali" lang="so" hreflang="so" data-title="Seleniyaam" data-language-autonym="Soomaaliga" data-language-local-name="Somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%B3%DB%8C%D9%84%DB%8C%D9%86%DB%8C%DB%86%D9%85" title="سیلینیۆم – Central Kurdish" lang="ckb" hreflang="ckb" data-title="سیلینیۆم" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Serbian" lang="sr" hreflang="sr" data-title="Селен" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Selen" title="Selen – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Selen" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/S%C3%A9l%C3%A9nium" title="Sélénium – Sundanese" lang="su" hreflang="su" data-title="Sélénium" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Seleeni" title="Seleeni – Finnish" lang="fi" hreflang="fi" data-title="Seleeni" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Selen" title="Selen – Swedish" lang="sv" hreflang="sv" data-title="Selen" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Silinyo" title="Silinyo – Tagalog" lang="tl" hreflang="tl" data-title="Silinyo" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%86%E0%AE%B2%E0%AF%80%E0%AE%A9%E0%AE%BF%E0%AE%AF%E0%AE%AE%E0%AF%8D" title="செலீனியம் – Tamil" lang="ta" hreflang="ta" data-title="செலீனியம்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Tatar" lang="tt" hreflang="tt" data-title="Селен" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B8%E0%B1%86%E0%B0%B2%E0%B1%80%E0%B0%A8%E0%B0%BF%E0%B0%AF%E0%B0%82" title="సెలీనియం – Telugu" lang="te" hreflang="te" data-title="సెలీనియం" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%8B%E0%B8%B5%E0%B8%A5%E0%B8%B5%E0%B9%80%E0%B8%99%E0%B8%B5%E0%B8%A2%E0%B8%A1" title="ซีลีเนียม – Thai" lang="th" hreflang="th" data-title="ซีลีเนียม" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Tajik" lang="tg" hreflang="tg" data-title="Селен" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Selenyum" title="Selenyum – Turkish" lang="tr" hreflang="tr" data-title="Selenyum" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BB%D0%B5%D0%BD" title="Селен – Ukrainian" lang="uk" hreflang="uk" data-title="Селен" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B3%DB%8C%D9%84%DB%8C%D9%86%DB%8C%D9%85" title="سیلینیم – Urdu" lang="ur" hreflang="ur" data-title="سیلینیم" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D8%B3%DB%90%D9%84%DB%90%D9%86" title="سېلېن – Uyghur" lang="ug" hreflang="ug" data-title="سېلېن" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="Uyghur" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Selen" title="Selen – Veps" lang="vep" hreflang="vep" data-title="Selen" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Seleni" title="Seleni – Vietnamese" lang="vi" hreflang="vi" data-title="Seleni" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Seleniom" title="Seleniom – Walloon" lang="wa" hreflang="wa" data-title="Seleniom" data-language-autonym="Walon" data-language-local-name="Walloon" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E7%A1%92" title="硒 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="硒" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Selenyo" title="Selenyo – Waray" lang="war" hreflang="war" data-title="Selenyo" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%A1%92" title="硒 – Wu" lang="wuu" hreflang="wuu" data-title="硒" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A1%D7%A2%D7%9C%D7%A2%D7%A0%D7%99%D7%95%D7%9D" title="סעלעניום – Yiddish" lang="yi" hreflang="yi" data-title="סעלעניום" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Selenium" title="Selenium – Yoruba" lang="yo" hreflang="yo" data-title="Selenium" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E7%A1%92" title="硒 – Cantonese" lang="yue" hreflang="yue" data-title="硒" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A1%92" title="硒 – Chinese" lang="zh" hreflang="zh" data-title="硒" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q876#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Change 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class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Simple English Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Selen_1.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Selen_1.jpg/220px-Selen_1.jpg" decoding="async" width="220" height="103" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Selen_1.jpg/330px-Selen_1.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e0/Selen_1.jpg/440px-Selen_1.jpg 2x" data-file-width="517" data-file-height="242" /></a><figcaption>Black, gray, and red forms of selenium</figcaption></figure> <p><b>Selenium</b> is a <a href="/wiki/Chemical_element" title="Chemical element">chemical element</a>. Its chemical symbol is <b>Se</b> and its <a href="/wiki/Atomic_number" title="Atomic number">atomic number</a> is 34. It has 34 <a href="/wiki/Proton" title="Proton">protons</a> and 34 <a href="/wiki/Electron" title="Electron">electrons</a> and a <a href="/wiki/Mass_number" title="Mass number">mass number</a> of 78.96. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Properties">Properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=1" title="Change section: Properties" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=1" title="Edit section's source code: Properties"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Physical_properties">Physical properties</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=2" title="Change section: Physical properties" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=2" title="Edit section's source code: Physical properties"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Selenium (selenium <a href="/wiki/Atom" title="Atom">atoms</a> only) has several different forms. They are called <a href="/wiki/Allotrope" class="mw-redirect" title="Allotrope">allotropes</a>. The most <a href="/wiki/Stable" title="Stable">stable</a> of these is a dense gray <a href="/wiki/Semimetal" class="mw-redirect" title="Semimetal">semimetal</a> (an element that is partially a <a href="/wiki/Metal" title="Metal">metal</a> and a <a href="/wiki/Nonmetal" title="Nonmetal">nonmetal</a>). The way the atoms are put together is a named a <a href="/w/index.php?title=Trigonal_polymer_chain&action=edit&redlink=1" class="new" title="Trigonal polymer chain (not yet started)">trigonal polymer chain</a>. It lets <a href="/wiki/Electricity" title="Electricity">electricity</a> pass through it better in the light than in the dark.<sup id="cite_ref-HowStuffWorks_1-0" class="reference"><a href="#cite_note-HowStuffWorks-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> This form is used in <a href="/wiki/Photocell" class="mw-redirect" title="Photocell">photocells</a>. </p><p>Selenium also has many nonconductive forms: a black glass-like <a href="/wiki/Substance" title="Substance">substance</a>, as well as several red <a href="/wiki/Crystal" title="Crystal">crystalline</a> forms. In the red form the eight atoms of selenium form ring to make a <a href="/wiki/Molecule" title="Molecule">molecule</a>. These rings then stack together to make the solid red selenium. The way that red seleniums atoms are put together is similar to sulfur. </p> <div class="mw-heading mw-heading3"><h3 id="Chemical_properties">Chemical properties</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=3" title="Change section: Chemical properties" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=3" title="Edit section's source code: Chemical properties"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:The_dark_red_Gallium_Selenid_in_its_bulk_form.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/0/05/The_dark_red_Gallium_Selenid_in_its_bulk_form.jpg" decoding="async" width="140" height="125" class="mw-file-element" data-file-width="140" data-file-height="125" /></a><figcaption>Gallium selenide used in <a href="/wiki/Semiconductor" title="Semiconductor">semiconductors</a></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Tiemannite-199865.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Tiemannite-199865.jpg/220px-Tiemannite-199865.jpg" decoding="async" width="220" height="201" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/38/Tiemannite-199865.jpg/330px-Tiemannite-199865.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/3/38/Tiemannite-199865.jpg 2x" data-file-width="400" data-file-height="365" /></a><figcaption>Mercury selenide as a mineral</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Chalcomenite-199978.jpg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/39/Chalcomenite-199978.jpg/220px-Chalcomenite-199978.jpg" decoding="async" width="220" height="238" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/3/39/Chalcomenite-199978.jpg 1.5x" data-file-width="318" data-file-height="344" /></a><figcaption>Copper selenide as a mineral</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Sodium_selenite.JPG" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Sodium_selenite.JPG/220px-Sodium_selenite.JPG" decoding="async" width="220" height="293" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Sodium_selenite.JPG/330px-Sodium_selenite.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3b/Sodium_selenite.JPG/440px-Sodium_selenite.JPG 2x" data-file-width="829" data-file-height="1105" /></a><figcaption>Sodium selenite in a bottle</figcaption></figure> <p>Selenium is not very reactive. It does not dissolve in acids except nitric acid. It also dissolves in alkalis like sodium hydroxide. It reacts with air when powdered to make <a href="/wiki/Selenium(IV)_oxide" class="mw-redirect" title="Selenium(IV) oxide">selenium(IV) oxide</a>. It does not react with many things, so selenium(IV) oxide is what most selenium compounds are made from. </p><p>Selenium forms several <a href="/wiki/Oxidation_state" title="Oxidation state">oxidation states</a>; -2, +2, +4, and +6. The -2 state is in <a href="/wiki/Selenide" title="Selenide">selenides</a>. Selenides are strong <a href="/wiki/Reducing_agent" title="Reducing agent">reducing agents</a>. They are stronger reducing agents than sulfides. <a href="/wiki/Hydrogen_selenide" title="Hydrogen selenide">Hydrogen selenide</a> is the acid made from selenide ion. Selenium also reacts with reactive metals to make selenides, such as <a href="/wiki/Sodium_selenide" title="Sodium selenide">sodium selenide</a> or <a href="/wiki/Aluminium_selenide" title="Aluminium selenide">aluminium selenide</a>. </p><p>The +1 state is found in some selenium compounds, such as <a href="/wiki/Selenium(I)_chloride" class="mw-redirect" title="Selenium(I) chloride">selenium(I) chloride</a>. They are the most unreactive selenium compounds. </p><p>The +4 state is found in <a href="/wiki/Selenite" title="Selenite">selenites</a>. Selenites and <a href="/wiki/Selenous_acid" title="Selenous acid">selenous acid</a> are moderate <a href="/wiki/Oxidizing_agent" title="Oxidizing agent">oxidizing agents</a>. It is made by dissolving selenium dioxide in water and making selenous acid. Then selenous acid is reacted with bases to make selenites. </p><p>The +6 state is found in <a href="/wiki/Selenate" title="Selenate">selenates</a>. Selenates and <a href="/wiki/Selenic_acid" title="Selenic acid">selenic acid</a> are powerful oxidizing agents. Selenic acid can even dissolve gold! They are made by reacting <a href="/wiki/Hydrogen_peroxide" title="Hydrogen peroxide">hydrogen peroxide</a> with selenium(IV) oxide to get <a href="/wiki/Selenium(VI)_oxide" class="mw-redirect" title="Selenium(VI) oxide">selenium(VI) oxide</a>, which dissolves in water to make selenic acid. Selenates are more reactive than sulfates. </p><p>Most selenium compounds are colorless. Selenium compounds are not common. </p> <div class="mw-heading mw-heading4"><h4 id="Chemical_compounds">Chemical compounds</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=4" title="Change section: Chemical compounds" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=4" title="Edit section's source code: Chemical compounds"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>-2 compounds</dt></dl> <p>Selenides are the most common -2 compounds. Selenides are strong reducing agents. </p> <ul><li><a href="/wiki/Selenide" title="Selenide">Selenide</a>, the ion</li> <li><a href="/wiki/Aluminium_selenide" title="Aluminium selenide">Aluminium selenide</a></li> <li><a href="/wiki/Hydrogen_selenide" title="Hydrogen selenide">Hydrogen selenide</a></li> <li><a href="/wiki/Sodium_selenide" title="Sodium selenide">Sodium selenide</a></li></ul> <dl><dt>+1 compounds</dt></dl> <ul><li><a href="/wiki/Selenium_monochloride" title="Selenium monochloride">Selenium monochloride</a></li></ul> <dl><dt>+4 compounds</dt></dl> <p>+4 compounds can exist in <a href="/wiki/Anion" title="Anion">anions</a> or <a href="/wiki/Cation" title="Cation">cations</a>. </p> <ul><li><a href="/wiki/Selenium(IV)_chloride" class="mw-redirect" title="Selenium(IV) chloride">Selenium(IV) chloride</a></li> <li><a href="/wiki/Selenium(IV)_fluoride" class="mw-redirect" title="Selenium(IV) fluoride">Selenium(IV) fluoride</a></li> <li><a href="/wiki/Selenium_dioxide" title="Selenium dioxide">Selenium dioxide</a></li> <li><a href="/wiki/Selenium_disulfide" title="Selenium disulfide">Selenium disulfide</a></li></ul> <dl><dt>Selenites</dt></dl> <p>Selenites are weak oxidizing agents. </p> <ul><li><a href="/wiki/Selenite" title="Selenite">Selenite</a>, the ion</li> <li><a href="/wiki/Selenous_acid" title="Selenous acid">Selenous acid</a></li> <li><a href="/wiki/Sodium_selenite" title="Sodium selenite">Sodium selenite</a></li></ul> <dl><dt>+6 compounds</dt></dl> <p>+6 compounds can exist in anions or cations, too. </p> <ul><li><a href="/wiki/Selenium_hexafluoride" title="Selenium hexafluoride">Selenium hexafluoride</a></li></ul> <dl><dt>Selenates</dt></dl> <p>Selenates are powerful oxidizing agents. </p> <ul><li><a href="/wiki/Selenate" title="Selenate">Selenate</a>, the ion</li> <li><a href="/wiki/Selenic_acid" title="Selenic acid">Selenic acid</a></li> <li><a href="/wiki/Sodium_selenate" title="Sodium selenate">Sodium selenate</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Occurrence">Occurrence</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=5" title="Change section: Occurrence" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=5" title="Edit section's source code: Occurrence"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Selenium is very rarely found as an element in the ground. Most selenium in soil is in a very tiny amount. It is easily washed away. It is in very small amounts in the human body. Selenium is found most in <a href="/wiki/Sulfide" class="mw-redirect" title="Sulfide">sulfide</a> ores like <a href="/wiki/Pyrite" title="Pyrite">pyrite</a>. This selenium is in selenides. Selenium is gotten as a <a href="https://simple.wiktionary.org/wiki/byproduct" class="extiw" title="wikt:byproduct">byproduct</a>. Sometimes selenium is concentrated in plants. It can also be leached into rivers when copper is mined. Too much selenium is bad for a river. Some coal has selenium in it. </p> <div class="mw-heading mw-heading2"><h2 id="Preparation">Preparation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=6" title="Change section: Preparation" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=6" title="Edit section's source code: Preparation"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is made as a byproduct when refining copper and certain other sulfide ores. Selenium is made by oxidizing selenide ores to selenium dioxide. The selenium dioxide is dissolved in <a href="/wiki/Acid" title="Acid">acidic</a> water to make selenous acid, which is reacted with <a href="/wiki/Sulfur_dioxide" title="Sulfur dioxide">sulfur dioxide</a> to make selenium as an element. It is the red form that is made. To make the black form, the red form is heated and melted. </p> <div class="mw-heading mw-heading2"><h2 id="Uses">Uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=7" title="Change section: Uses" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=7" title="Edit section's source code: Uses"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="In_materials">In materials</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=8" title="Change section: In materials" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=8" title="Edit section's source code: In materials"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Selenium is used in photocells. The gray <a href="https://simple.wiktionary.org/wiki/metallic" class="extiw" title="wikt:metallic">metallic</a> form is used, as it changes its electrical <a href="https://simple.wiktionary.org/wiki/conductivity" class="extiw" title="wikt:conductivity">conductivity</a> when light shines on it. Selenium is also used as a <a href="/wiki/Catalyst" class="mw-redirect" title="Catalyst">catalyst</a>. The largest use is to color glass red. It can be used in special <a href="/wiki/Brass" title="Brass">brasses</a> instead of lead. It is used in some <a href="/wiki/Rectifier" title="Rectifier">rectifiers</a>. Most use <a href="/wiki/Silicon" title="Silicon">silicon</a> instead. It is used to tone photographs. It can be used to remove <a href="https://simple.wiktionary.org/wiki/dandruff" class="extiw" title="wikt:dandruff">dandruff</a> from hair in the form of selenium sulfide. </p> <div class="mw-heading mw-heading3"><h3 id="In_the_human_body">In the human body</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=9" title="Change section: In the human body" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=9" title="Edit section's source code: In the human body"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Selenium is a <a href="/wiki/Trace_element" title="Trace element">trace element</a> in the human body. Humans need very small amounts of selenium. Only about 50-200 micrograms are needed. Selenium can be toxic if more than 400 micrograms are taken. Once there was coal that had a large amount of selenium in it. People were getting selenium poisoning from the coal. </p><p>Selenium deficiency is rare. Although selenium has some helpful effects on the human body, it also has some harmful effects and only a very little should be eaten. </p> <div class="mw-heading mw-heading2"><h2 id="Safety">Safety</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=10" title="Change section: Safety" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=10" title="Edit section's source code: Safety"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>It is <a href="/wiki/Toxic" class="mw-redirect" title="Toxic">toxic</a> in large amounts. Some selenium compounds are very toxic and harmful to things that live in water. Consuming around 5 mg of selenium per day can kill a human being after a certain amount of time. </p> <div class="mw-heading mw-heading2"><h2 id="Related_pages">Related pages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=11" title="Change section: Related pages" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=11" title="Edit section's source code: Related pages"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Selenium_compounds" class="mw-redirect" title="Selenium compounds">Selenium compounds</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Selenium&veaction=edit&section=12" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Selenium&action=edit&section=12" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-HowStuffWorks-1"><span class="mw-cite-backlink"><a href="#cite_ref-HowStuffWorks_1-0">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r9724332">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="http://science.howstuffworks.com/selenium-info.htm">"Selenium"</a>. HowStuffWorks, Inc. 2009-07-01<span class="reference-accessdate">. Retrieved <span class="nowrap">2010-10-19</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=unknown&rft.btitle=Selenium&rft.pub=HowStuffWorks%2C+Inc&rft.date=2009-07-01&rft_id=http%3A%2F%2Fscience.howstuffworks.com%2Fselenium-info.htm&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ASelenium" class="Z3988"></span></span> </li> </ol></div></div> <table class="navbox collapsible uncollapsed"> <tbody><tr> <th colspan="32"><style data-mw-deduplicate="TemplateStyles:r9122447">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}</style><div class="navbar plainlinks hlist navbar-collapse navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Periodic_Table" title="Template:Periodic Table"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Periodic_Table" title="Template talk:Periodic Table"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a class="external text" href="https://simple.wikipedia.org/w/index.php?title=Template:Periodic_Table&action=edit"><abbr title="Edit this template">e</abbr></a></li></ul></div><div class="navbar-ct-mini"><a href="/wiki/Periodic_table" title="Periodic table">Periodic table</a></div> </th></tr> <tr> <td width="3.125%" style="background-color:#a0ffa0"><a href="/wiki/Hydrogen" title="Hydrogen">H</a> </td> <td width="3.125%" colspan="30">  </td> <td width="3.125%" style="background-color:#c0ffff"><a href="/wiki/Helium" title="Helium">He</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Lithium" title="Lithium">Li</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Beryllium" title="Beryllium">Be</a> </td> <td colspan="24">  </td> <td style="background-color:#cccc99"><a href="/wiki/Boron" title="Boron">B</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Carbon" title="Carbon">C</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Nitrogen" title="Nitrogen">N</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Oxygen" title="Oxygen">O</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Fluorine" title="Fluorine">F</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Neon" title="Neon">Ne</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Sodium" title="Sodium">Na</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Magnesium" title="Magnesium">Mg</a> </td> <td colspan="24">  </td> <td style="background-color:#cccccc"><a href="/wiki/Aluminium" title="Aluminium">Al</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Silicon" title="Silicon">Si</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Phosphorus" title="Phosphorus">P</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Sulfur" title="Sulfur">S</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Chlorine" title="Chlorine">Cl</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Argon" title="Argon">Ar</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Potassium" title="Potassium">K</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Calcium" title="Calcium">Ca</a> </td> <td colspan="14">  </td> <td style="background-color:#ffc0c0"><a href="/wiki/Scandium" title="Scandium">Sc</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Titanium" title="Titanium">Ti</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Vanadium" title="Vanadium">V</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Chromium" title="Chromium">Cr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Manganese" title="Manganese">Mn</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Iron" title="Iron">Fe</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Cobalt" title="Cobalt">Co</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Nickel" title="Nickel">Ni</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Copper" title="Copper">Cu</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Zinc" title="Zinc">Zn</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Gallium" title="Gallium">Ga</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Germanium" title="Germanium">Ge</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Arsenic" title="Arsenic">As</a> </td> <td style="background-color:#a0ffa0"><a class="mw-selflink selflink">Se</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Bromine" title="Bromine">Br</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Krypton" title="Krypton">Kr</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Rubidium" title="Rubidium">Rb</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Strontium" title="Strontium">Sr</a> </td> <td colspan="14">  </td> <td style="background-color:#ffc0c0"><a href="/wiki/Yttrium" title="Yttrium">Y</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Zirconium" title="Zirconium">Zr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Niobium" title="Niobium">Nb</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Molybdenum" title="Molybdenum">Mo</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Technetium" title="Technetium">Tc</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Ruthenium" title="Ruthenium">Ru</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Rhodium" title="Rhodium">Rh</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Palladium" title="Palladium">Pd</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Silver" title="Silver">Ag</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Cadmium" title="Cadmium">Cd</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Indium" title="Indium">In</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Tin" title="Tin">Sn</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Antimony" title="Antimony">Sb</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Tellurium" title="Tellurium">Te</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Iodine" title="Iodine">I</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Xenon" title="Xenon">Xe</a> </td></tr> <tr> <td width="3.125%" style="background-color:#ff6666"><a href="/wiki/Caesium" title="Caesium">Cs</a> </td> <td width="3.125%" style="background-color:#ffdead"><a href="/wiki/Barium" title="Barium">Ba</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Lanthanum" title="Lanthanum">La</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Cerium" title="Cerium">Ce</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Praseodymium" title="Praseodymium">Pr</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Neodymium" title="Neodymium">Nd</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Promethium" title="Promethium">Pm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Samarium" title="Samarium">Sm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Europium" title="Europium">Eu</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Gadolinium" title="Gadolinium">Gd</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Terbium" title="Terbium">Tb</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Dysprosium" title="Dysprosium">Dy</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Holmium" title="Holmium">Ho</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Erbium" title="Erbium">Er</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Thulium" title="Thulium">Tm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Lutetium" title="Lutetium">Lu</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Hafnium" title="Hafnium">Hf</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Tantalum" title="Tantalum">Ta</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Tungsten" title="Tungsten">W</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Rhenium" title="Rhenium">Re</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Osmium" title="Osmium">Os</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Iridium" title="Iridium">Ir</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Platinum" title="Platinum">Pt</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Gold" title="Gold">Au</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Thallium" title="Thallium">Tl</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Lead" title="Lead">Pb</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Bismuth" title="Bismuth">Bi</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Polonium" title="Polonium">Po</a> </td> <td width="3.125%" style="background-color:#ffff99"><a href="/wiki/Astatine" title="Astatine">At</a> </td> <td width="3.125%" style="background-color:#c0ffff"><a href="/wiki/Radon" title="Radon">Rn</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Francium" title="Francium">Fr</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Radium" title="Radium">Ra</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Actinium" title="Actinium">Ac</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Thorium" title="Thorium">Th</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Protactinium" title="Protactinium">Pa</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Uranium" title="Uranium">U</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Neptunium" title="Neptunium">Np</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Plutonium" title="Plutonium">Pu</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Americium" title="Americium">Am</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Curium" title="Curium">Cm</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Berkelium" title="Berkelium">Bk</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Californium" title="Californium">Cf</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Einsteinium" title="Einsteinium">Es</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Fermium" title="Fermium">Fm</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Mendelevium" title="Mendelevium">Md</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Nobelium" title="Nobelium">No</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Lawrencium" title="Lawrencium">Lr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rf</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Dubnium" title="Dubnium">Db</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Seaborgium" title="Seaborgium">Sg</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Bohrium" title="Bohrium">Bh</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Hassium" title="Hassium">Hs</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Meitnerium" title="Meitnerium">Mt</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Darmstadtium" title="Darmstadtium">Ds</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Roentgenium" title="Roentgenium">Rg</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Copernicium" title="Copernicium">Cn</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Nihonium" title="Nihonium">Nh</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Flerovium" title="Flerovium">Fl</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Moscovium" title="Moscovium">Mc</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Livermorium" title="Livermorium">Lv</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Tennessine" title="Tennessine">Ts</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Oganesson" title="Oganesson">Og</a> </td></tr> <tr> <td colspan="32"> <table border="1" align="center" style="border:1px solid #ffffff; border-collapse:collapse; font-size: smaller; width:100%" rules="all" cellpadding="1"> <tbody><tr> <td style="background-color:#ff6666" width="10%"><a href="/wiki/Alkali_metal" title="Alkali metal">Alkali metals</a> </td> <td 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title="Carnitine"><small>L</small>-carnitine</a></li> <li><a href="/wiki/Melatonin" title="Melatonin">Melatonin</a></li> <li><a href="/wiki/Acetylcysteine" title="Acetylcysteine"><i>N</i>-Acetylcysteine</a> (NAC)</li> <li><a class="mw-selflink selflink">Selenium</a></li> <li><a href="/wiki/Uric_acid" title="Uric acid">Uric acid</a></li> <li><a href="/w/index.php?title=Tocopherol&action=edit&redlink=1" class="new" title="Tocopherol (not yet started)">Tocopherols</a> (<a href="/wiki/Vitamin_E" title="Vitamin E">vitamin E</a>)</li> <li><a href="/w/index.php?title=Tocotrienol&action=edit&redlink=1" class="new" title="Tocotrienol (not yet started)">Tocotrienols</a> (<a href="/wiki/Vitamin_E" title="Vitamin E">vitamin E</a>)</li> <li><a href="/w/index.php?title=6-Hydroxymelatonin&action=edit&redlink=1" class="new" title="6-Hydroxymelatonin (not yet started)">6-Hydroxymelatonin</a></li> <li><a href="/w/index.php?title=Acetylcarnitine&action=edit&redlink=1" class="new" title="Acetylcarnitine (not yet started)">Acetyl-<small>L</small>-carnitine</a> (ALCAR)</li> <li><a href="/w/index.php?title=Lipoic_acid&action=edit&redlink=1" class="new" title="Lipoic acid (not yet started)">Alpha-lipoic acid</a> (ALA)</li> <li><a href="/w/index.php?title=Curcumin&action=edit&redlink=1" class="new" title="Curcumin (not yet started)">Curcumin</a></li> <li><a href="/w/index.php?title=Edaravone&action=edit&redlink=1" class="new" title="Edaravone (not yet started)">Edaravone</a></li> <li><a href="/w/index.php?title=Antioxidant_effect_of_polyphenols_and_natural_phenols&action=edit&redlink=1" class="new" title="Antioxidant effect of polyphenols and natural phenols (not yet started)">Polyphenols</a></li> <li><a href="/w/index.php?title=Glutathione&action=edit&redlink=1" class="new" title="Glutathione (not yet started)">Glutathione</a></li> <li><a href="/w/index.php?title=Hydroxytyrosol&action=edit&redlink=1" class="new" title="Hydroxytyrosol (not yet started)">Hydroxytyrosol</a></li> <li><a href="/w/index.php?title=Ladostigil&action=edit&redlink=1" class="new" title="Ladostigil (not yet started)">Ladostigil</a></li> <li><a href="/w/index.php?title=Mofegiline&action=edit&redlink=1" class="new" title="Mofegiline (not yet started)">Mofegiline</a></li> <li><a href="/w/index.php?title=N-Acetylserotonin&action=edit&redlink=1" class="new" title="N-Acetylserotonin (not yet started)"><i>N</i>-Acetylserotonin</a> (NAS)</li> <li><a href="/w/index.php?title=Oleocanthal&action=edit&redlink=1" class="new" title="Oleocanthal (not yet started)">Oleocanthal</a></li> <li><a href="/w/index.php?title=Oleuropein&action=edit&redlink=1" class="new" title="Oleuropein (not yet started)">Oleuropein</a></li> <li><a href="/w/index.php?title=Rasagiline&action=edit&redlink=1" class="new" title="Rasagiline (not yet started)">Rasagiline</a></li> <li><a href="/w/index.php?title=Resveratrol&action=edit&redlink=1" class="new" title="Resveratrol (not yet started)">Resveratrol</a></li> <li><a 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