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href="/wiki/Fors%C3%AD%C3%B0a" title="Forsíða Wikipedia [z]" accesskey="z"><span>Forsíða</span></a></li><li id="n-Úrvalsefni" class="mw-list-item"><a href="/wiki/G%C3%A1tt:%C3%9Arvalsefni"><span>Úrvalsefni</span></a></li><li id="n-Efnisyfirlit" class="mw-list-item"><a href="/wiki/Flokkur:Efnisyfirlit"><span>Efnisyfirlit</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Handah%C3%B3fsvalin_s%C3%AD%C3%B0a" title="Handahófsvalin síða [x]" accesskey="x"><span>Handahófsvalin síða</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Hj%C3%A1lp:Efnisyfirlit" title="Efnisyfirlit yfir hjálparsíður."><span>Hjálp</span></a></li> </ul> </div> </div> <div id="p-verkefnið" class="vector-menu mw-portlet mw-portlet-verkefnið" > <div class="vector-menu-heading"> Verkefnið </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDlegar_breytingar" title="Listi yfir nýlegar breytingar. [r]" accesskey="r"><span>Nýlegar breytingar</span></a></li><li id="n-newpages" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:N%C3%BDjustu_greinar"><span>Nýjustu greinar</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikipedia:Samf%C3%A9lagsg%C3%A1tt" title="Um verkefnið, hvernig er hægt að hjálpa og hvar á að byrja"><span>Samfélagsgátt</span></a></li><li id="n-Potturinn" class="mw-list-item"><a href="/wiki/Wikipedia:Potturinn"><span>Potturinn</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Fors%C3%AD%C3%B0a" 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 class="mw-logo-tagline" alt="Frjálsa alfræðiritið" src="/static/images/mobile/copyright/wikipedia-tagline-is.svg" width="118" height="12" style="width: 7.375em; 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en það er ekki skylda" class=""><span>Búa til aðgang</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=Kerfiss%C3%AD%C3%B0a:Innskr%C3%A1&returnto=Lotukerfi%C3%B0" title="Þú ert hvattur/hvött til að innskrá þig, það er hinsvegar ekki skylda. [o]" accesskey="o" class=""><span>Skrá inn</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="Frekari valkostir" > <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="Persónuleg verkfæri" > <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">Persónuleg verkfæri</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Notandavalmynd" > <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_is.wikipedia.org&uselang=is"><span>Fjárframlög</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:B%C3%BAa_til_a%C3%B0gang&returnto=Lotukerfi%C3%B0" title="Þú ert hvattur/hvött til að búa til aðgang og skrá þig inn; en það er ekki skylda"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Búa til aðgang</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Kerfiss%C3%AD%C3%B0a:Innskr%C3%A1&returnto=Lotukerfi%C3%B0" title="Þú ert hvattur/hvött til að innskrá þig, það er hinsvegar ekki skylda. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Skrá inn</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"> Síður fyrir útskráða notendur <a href="/wiki/Hj%C3%A1lp:Introduction" aria-label="Læra meira um breytingar"><span>Læra meira</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/Kerfiss%C3%AD%C3%B0a:Framl%C3%B6g_m%C3%ADn" title="Listi yfir breytingar frá þessu IP-staðfangi [y]" accesskey="y"><span>Framlög</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Kerfiss%C3%AD%C3%B0a:Spjallas%C3%AD%C3%B0a_m%C3%ADn" title="Spjall um breytingar frá þessu IP-staðfangi [n]" accesskey="n"><span>Spjall</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="Vefsíða"> <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="Efni" 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">Efni</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">færa í hliðarstiku</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">fela</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">Byrjun</div> </a> </li> <li id="toc-Yfirlit" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Yfirlit"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Yfirlit</span> </div> </a> <ul id="toc-Yfirlit-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Lotur_og_flokkar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Lotur_og_flokkar"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Lotur og flokkar</span> </div> </a> <button aria-controls="toc-Lotur_og_flokkar-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>Sýna/fela Lotur og flokkar undirkafla</span> </button> <ul id="toc-Lotur_og_flokkar-sublist" class="vector-toc-list"> <li id="toc-Flokkakerfi" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Flokkakerfi"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Flokkakerfi</span> </div> </a> <ul id="toc-Flokkakerfi-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Staðlaða_lotukerfið" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Staðlaða_lotukerfið"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Staðlaða lotukerfið</span> </div> </a> <button aria-controls="toc-Staðlaða_lotukerfið-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>Sýna/fela Staðlaða lotukerfið undirkafla</span> </button> <ul id="toc-Staðlaða_lotukerfið-sublist" class="vector-toc-list"> <li id="toc-Efnisástand_frumefna_við_staðalaðstæður" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Efnisástand_frumefna_við_staðalaðstæður"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Efnisástand frumefna við staðalaðstæður</span> </div> </a> <ul id="toc-Efnisástand_frumefna_við_staðalaðstæður-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Náttúrulegt_ástand_frumefna" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Náttúrulegt_ástand_frumefna"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Náttúrulegt ástand frumefna</span> </div> </a> <ul id="toc-Náttúrulegt_ástand_frumefna-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Tilvísanir" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tilvísanir"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Tilvísanir</span> </div> </a> <ul id="toc-Tilvísanir-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tenglar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tenglar"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Tenglar</span> </div> </a> <ul id="toc-Tenglar-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="Efni" 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="Sýna/fela efnisyfirlit" > <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">Sýna/fela efnisyfirlit</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">Lotukerfið</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="Fara á grein á öðru tungumáli. Til staðar á 202 tungumálum" > <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-202" 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">202 tungumál</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ab mw-list-item"><a href="https://ab.wikipedia.org/wiki/%D0%90%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D2%9B%D3%99%D0%B0_%D1%80%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D0%BA%D0%B0%D1%82%D3%99_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Аелементқәа рпериодикатә система – abkasíska" lang="ab" hreflang="ab" data-title="Аелементқәа рпериодикатә система" data-language-autonym="Аԥсшәа" data-language-local-name="abkasíska" class="interlanguage-link-target"><span>Аԥсшәа</span></a></li><li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Periodieke_tabel" title="Periodieke tabel – afríkanska" lang="af" hreflang="af" data-title="Periodieke tabel" data-language-autonym="Afrikaans" data-language-local-name="afríkanska" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Periodensystem" title="Periodensystem – svissnesk þýska" lang="gsw" hreflang="gsw" data-title="Periodensystem" data-language-autonym="Alemannisch" data-language-local-name="svissnesk þýska" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8B%A8%E1%8A%95%E1%8C%A5%E1%88%A8_%E1%8A%90%E1%8C%88%E1%88%AE%E1%89%BD_%E1%88%A0%E1%8A%95%E1%8C%A0%E1%88%A8%E1%8B%A5" title="የንጥረ ነገሮች ሠንጠረዥ – amharíska" lang="am" hreflang="am" data-title="የንጥረ ነገሮች ሠንጠረዥ" data-language-autonym="አማርኛ" data-language-local-name="amharíska" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Tabla_periodica_d%27os_elementos" title="Tabla periodica d'os elementos – aragonska" lang="an" hreflang="an" data-title="Tabla periodica d'os elementos" data-language-autonym="Aragonés" data-language-local-name="aragonska" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%86%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A4_%E0%A4%B8%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%80" title="आवर्त सारणी – angíka" lang="anp" hreflang="anp" data-title="आवर्त सारणी" data-language-autonym="अंगिका" data-language-local-name="angíka" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A7%D9%84%D8%AC%D8%AF%D9%88%D9%84_%D8%A7%D9%84%D8%AF%D9%88%D8%B1%D9%8A" title="الجدول الدوري – arabíska" lang="ar" hreflang="ar" data-title="الجدول الدوري" data-language-autonym="العربية" data-language-local-name="arabíska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%B7%D8%A7%D8%A8%D9%84%D9%88_%D8%AF%D9%88%D8%B1%D9%8A" title="طابلو دوري – Moroccan Arabic" lang="ary" hreflang="ary" data-title="طابلو دوري" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D8%AC%D8%AF%D9%88%D9%84_%D8%AF%D9%88%D8%B1%D9%89" title="جدول دورى – Egyptian Arabic" lang="arz" hreflang="arz" data-title="جدول دورى" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%AA%E0%A7%B0%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AC%E0%A7%83%E0%A6%A4%E0%A7%8D%E0%A6%A4_%E0%A6%A4%E0%A6%BE%E0%A6%B2%E0%A6%BF%E0%A6%95%E0%A6%BE" title="পৰ্যাবৃত্ত তালিকা – assamska" lang="as" hreflang="as" data-title="পৰ্যাবৃত্ত তালিকা" data-language-autonym="অসমীয়া" data-language-local-name="assamska" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Tabla_peri%C3%B3dica" title="Tabla periódica – astúríska" lang="ast" hreflang="ast" data-title="Tabla periódica" data-language-autonym="Asturianu" data-language-local-name="astúríska" 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%AA%E0%A5%80%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A5%89%E0%A4%A1%E0%A4%BF%E0%A4%95_%E0%A4%9F%E0%A5%87%E0%A4%AC%E0%A4%B2" title="पीरियॉडिक टेबल – avadí" lang="awa" hreflang="awa" data-title="पीरियॉडिक टेबल" data-language-autonym="अवधी" data-language-local-name="avadí" 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/Kimy%C9%99vi_elementl%C9%99rin_d%C3%B6vri_sistemi" title="Kimyəvi elementlərin dövri sistemi – aserska" lang="az" hreflang="az" data-title="Kimyəvi elementlərin dövri sistemi" data-language-autonym="Azərbaycanca" data-language-local-name="aserska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B4%DB%8C%D9%85%DB%8C%D8%A7%DB%8C%DB%8C_%D8%A7%D9%84%D9%85%D9%86%D8%AA%D9%84%D8%B1_%D8%AA%D8%A7%D8%A8%D9%84%D9%88%D8%B3%D9%88" title="شیمیایی المنتلر تابلوسو – South Azerbaijani" lang="azb" hreflang="azb" data-title="شیمیایی المنتلر تابلوسو" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D0%BA_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%82%D0%B0%D1%80%D2%99%D1%8B%D2%A3_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D0%BA_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0%D2%BB%D1%8B" title="Химик элементтарҙың периодик системаһы – baskír" lang="ba" hreflang="ba" data-title="Химик элементтарҙың периодик системаһы" data-language-autonym="Башҡортса" data-language-local-name="baskír" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Tab%C3%A9l_p%C3%A9riodik" title="Tabél périodik – balíska" lang="ban" hreflang="ban" data-title="Tabél périodik" data-language-autonym="Basa Bali" data-language-local-name="balíska" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bar mw-list-item"><a href="https://bar.wikipedia.org/wiki/Periodnsystem" title="Periodnsystem – Bavarian" lang="bar" hreflang="bar" data-title="Periodnsystem" data-language-autonym="Boarisch" data-language-local-name="Bavarian" class="interlanguage-link-target"><span>Boarisch</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Mendeliej%C4%97va_kem%C4%97niu_elementu_lental%C4%97" title="Mendeliejėva kemėniu elementu lentalė – Samogitian" lang="sgs" hreflang="sgs" data-title="Mendeliejėva kemėniu elementu lentalė" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Peryodikong_tableta" title="Peryodikong tableta – Central Bikol" lang="bcl" hreflang="bcl" data-title="Peryodikong tableta" 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-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D1%8B%D1%8F%D0%B4%D1%8B%D1%87%D0%BD%D0%B0%D1%8F_%D1%81%D1%96%D1%81%D1%82%D1%8D%D0%BC%D0%B0_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%B0%D1%9E" title="Перыядычная сістэма элементаў – hvítrússneska" lang="be" hreflang="be" data-title="Перыядычная сістэма элементаў" data-language-autonym="Беларуская" data-language-local-name="hvítrússneska" 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%9F%D1%8D%D1%80%D1%8B%D1%8F%D0%B4%D1%8B%D1%87%D0%BD%D0%B0%D1%8F_%D1%81%D1%8B%D1%81%D1%82%D1%8D%D0%BC%D0%B0_%D1%85%D1%96%D0%BC%D1%96%D1%87%D0%BD%D1%8B%D1%85_%D1%8D%D0%BB%D0%B5%D0%BC%D1%8D%D0%BD%D1%82%D0%B0%D1%9E" title="Пэрыядычная сыстэма хімічных элемэнтаў – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Пэрыядычная сыстэма хімічных элемэнтаў" 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-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%BD%D0%B0_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Периодична система – búlgarska" lang="bg" hreflang="bg" data-title="Периодична система" data-language-autonym="Български" data-language-local-name="búlgarska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%AA%E0%A5%80%E0%A4%B0%E0%A4%BF%E0%A4%AF%E0%A5%89%E0%A4%A1%E0%A4%BF%E0%A4%95_%E0%A4%9F%E0%A5%87%E0%A4%AC%E0%A4%B2" title="पीरियॉडिक टेबल – Bhojpuri" lang="bh" hreflang="bh" data-title="पीरियॉडिक टेबल" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/%E1%80%A1%E1%80%91%E1%80%B2%E1%80%B7%E1%80%9B%E1%80%B1%E1%80%AC%E1%80%B7%EA%A9%BB_%E1%80%91%E1%80%AC%EA%A9%BB%E1%80%9B%E1%80%BD%E1%80%B1%E1%80%AC%E1%80%84%E1%80%BA" title="အထဲ့ရော့ꩻ ထာꩻရွောင် – Pa'O" lang="blk" hreflang="blk" data-title="အထဲ့ရော့ꩻ ထာꩻရွောင်" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AF%E0%A6%BC_%E0%A6%B8%E0%A6%BE%E0%A6%B0%E0%A6%A3%E0%A6%BF" title="পর্যায় সারণি – bengalska" lang="bn" hreflang="bn" data-title="পর্যায় সারণি" data-language-autonym="বাংলা" data-language-local-name="bengalska" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A2%E0%BE%A9%E0%BC%8B%E0%BD%A2%E0%BE%AB%E0%BD%A6%E0%BC%8B%E0%BD%80%E0%BE%B1%E0%BD%B2%E0%BC%8B%E0%BD%91%E0%BD%B4%E0%BD%A6%E0%BC%8B%E0%BD%A0%E0%BD%81%E0%BD%BC%E0%BD%A2%E0%BC%8B%E0%BD%A2%E0%BD%BA%E0%BD%A0%E0%BD%B4%E0%BC%8B%E0%BD%98%E0%BD%B2%E0%BD%82%E0%BC%8D" title="རྩ་རྫས་ཀྱི་དུས་འཁོར་རེའུ་མིག། – tíbeska" lang="bo" hreflang="bo" data-title="རྩ་རྫས་ཀྱི་དུས་འཁོར་རེའུ་མིག།" data-language-autonym="བོད་ཡིག" data-language-local-name="tíbeska" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bpy mw-list-item"><a href="https://bpy.wikipedia.org/wiki/%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%AF%E0%A6%BC_%E0%A6%B8%E0%A6%BE%E0%A6%B0%E0%A6%A3%E0%A7%80" title="পর্যায় সারণী – Bishnupriya" lang="bpy" hreflang="bpy" data-title="পর্যায় সারণী" data-language-autonym="বিষ্ণুপ্রিয়া মণিপুরী" data-language-local-name="Bishnupriya" class="interlanguage-link-target"><span>বিষ্ণুপ্রিয়া মণিপুরী</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Taolenn_beriodek_an_elfenno%C3%B9" title="Taolenn beriodek an elfennoù – bretónska" lang="br" hreflang="br" data-title="Taolenn beriodek an elfennoù" data-language-autonym="Brezhoneg" data-language-local-name="bretónska" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Periodni_sistem_elemenata" title="Periodni sistem elemenata – bosníska" lang="bs" hreflang="bs" data-title="Periodni sistem elemenata" data-language-autonym="Bosanski" data-language-local-name="bosníska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D2%AE%D0%B5%D0%BB%D1%85%D1%8D_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D1%8D" title="Үелхэ системэ – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Үелхэ системэ" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Taula_peri%C3%B2dica" title="Taula periòdica – katalónska" lang="ca" hreflang="ca" data-title="Taula periòdica" data-language-autonym="Català" data-language-local-name="katalónska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/Ngu%C3%B2ng-s%C3%B3_ci%C5%AD-g%C4%AD-bi%C4%93u" title="Nguòng-só ciŭ-gĭ-biēu – Mindong" lang="cdo" hreflang="cdo" data-title="Nguòng-só ciŭ-gĭ-biēu" 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-ce mw-list-item"><a href="https://ce.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D0%BD_%D1%85%D3%80%D1%83%D0%BC%D0%B0%D0%BB%D0%B3%D0%B8%D0%B9%D0%BD_%D1%80%D0%BE%D0%B3%D3%80%D0%B0%D0%BB%D0%BB%D0%B8%D0%BD_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Химин хӀумалгийн рогӀаллин система – tsjetsjenska" lang="ce" hreflang="ce" data-title="Химин хӀумалгийн рогӀаллин система" data-language-autonym="Нохчийн" data-language-local-name="tsjetsjenska" class="interlanguage-link-target"><span>Нохчийн</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Talaang_peryodiko" title="Talaang peryodiko – kebúanó" lang="ceb" hreflang="ceb" data-title="Talaang peryodiko" data-language-autonym="Cebuano" data-language-local-name="kebúanó" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AE%D8%B4%D8%AA%DB%95%DB%8C_%D8%AE%D9%88%D9%84%DB%8C" title="خشتەی خولی – miðkúrdíska" lang="ckb" hreflang="ckb" data-title="خشتەی خولی" data-language-autonym="کوردی" data-language-local-name="miðkúrdíska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Tavola_periodica" title="Tavola periodica – korsíska" lang="co" hreflang="co" data-title="Tavola periodica" data-language-autonym="Corsu" data-language-local-name="korsíska" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Periodick%C3%A1_tabulka" title="Periodická tabulka – tékkneska" lang="cs" hreflang="cs" data-title="Periodická tabulka" data-language-autonym="Čeština" data-language-local-name="tékkneska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%AD%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%81%D0%B5%D0%BD_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%BB%D0%B0_%D1%82%D1%8B%D1%82%C4%83%D0%BC%C4%95" title="Элементсен периодла тытăмĕ – sjúvas" lang="cv" hreflang="cv" data-title="Элементсен периодла тытăмĕ" data-language-autonym="Чӑвашла" data-language-local-name="sjúvas" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Tabl_cyfnodol" title="Tabl cyfnodol – velska" lang="cy" hreflang="cy" data-title="Tabl cyfnodol" data-language-autonym="Cymraeg" data-language-local-name="velska" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da badge-Q17559452 badge-recommendedarticle mw-list-item" title="recommended article"><a href="https://da.wikipedia.org/wiki/Periodiske_system" title="Periodiske system – danska" lang="da" hreflang="da" data-title="Periodiske system" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://de.wikipedia.org/wiki/Periodensystem" title="Periodensystem – þýska" lang="de" hreflang="de" data-title="Periodensystem" data-language-autonym="Deutsch" data-language-local-name="þýska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Tabloyo_periyodik" title="Tabloyo periyodik – Zazaki" lang="diq" hreflang="diq" data-title="Tabloyo periyodik" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%95%DE%A9%DE%83%DE%A8%DE%87%DE%A6%DE%91%DE%A8%DE%86%DE%B0_%DE%8C%DE%A7%DE%88%DE%A6%DE%8D%DE%AA" title="ޕީރިއަޑިކް ތާވަލު – dívehí" lang="dv" hreflang="dv" data-title="ޕީރިއަޑިކް ތާވަލު" data-language-autonym="ދިވެހިބަސް" data-language-local-name="dívehí" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CE%B5%CF%81%CE%B9%CE%BF%CE%B4%CE%B9%CE%BA%CF%8C%CF%82_%CF%80%CE%AF%CE%BD%CE%B1%CE%BA%CE%B1%CF%82_%CF%84%CF%89%CE%BD_%CF%87%CE%B7%CE%BC%CE%B9%CE%BA%CF%8E%CE%BD_%CF%83%CF%84%CE%BF%CE%B9%CF%87%CE%B5%CE%AF%CF%89%CE%BD" title="Περιοδικός πίνακας των χημικών στοιχείων – gríska" lang="el" hreflang="el" data-title="Περιοδικός πίνακας των χημικών στοιχείων" data-language-autonym="Ελληνικά" data-language-local-name="gríska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://en.wikipedia.org/wiki/Periodic_table" title="Periodic table – enska" lang="en" hreflang="en" data-title="Periodic table" data-language-autonym="English" data-language-local-name="enska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Perioda_tabelo" title="Perioda tabelo – esperantó" lang="eo" hreflang="eo" data-title="Perioda tabelo" data-language-autonym="Esperanto" data-language-local-name="esperantó" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Tabla_peri%C3%B3dica_de_los_elementos" title="Tabla periódica de los elementos – spænska" lang="es" hreflang="es" data-title="Tabla periódica de los elementos" data-language-autonym="Español" data-language-local-name="spænska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Keemiliste_elementide_perioodilisuss%C3%BCsteem" title="Keemiliste elementide perioodilisussüsteem – eistneska" lang="et" hreflang="et" data-title="Keemiliste elementide perioodilisussüsteem" data-language-autonym="Eesti" data-language-local-name="eistneska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Taula_periodikoa" title="Taula periodikoa – baskneska" lang="eu" hreflang="eu" data-title="Taula periodikoa" data-language-autonym="Euskara" data-language-local-name="baskneska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Tabra_peri%C3%BAdica_e_los_elementus" title="Tabra periúdica e los elementus – Extremaduran" lang="ext" hreflang="ext" data-title="Tabra periúdica e los elementus" data-language-autonym="Estremeñu" data-language-local-name="Extremaduran" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-fa badge-Q17437798 badge-goodarticle mw-list-item" title="Gæðagrein"><a href="https://fa.wikipedia.org/wiki/%D8%AC%D8%AF%D9%88%D9%84_%D8%AA%D9%86%D8%A7%D9%88%D8%A8%DB%8C" title="جدول تناوبی – persneska" lang="fa" hreflang="fa" data-title="جدول تناوبی" data-language-autonym="فارسی" data-language-local-name="persneska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi badge-Q17559452 badge-recommendedarticle mw-list-item" title="recommended article"><a href="https://fi.wikipedia.org/wiki/Jaksollinen_j%C3%A4rjestelm%C3%A4" title="Jaksollinen järjestelmä – finnska" lang="fi" hreflang="fi" data-title="Jaksollinen järjestelmä" data-language-autonym="Suomi" data-language-local-name="finnska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Mendelejevi_tap%C3%B5l" title="Mendelejevi tapõl – Võro" lang="vro" hreflang="vro" data-title="Mendelejevi tapõl" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Skei%C3%B0bundna_skipanin" title="Skeiðbundna skipanin – færeyska" lang="fo" hreflang="fo" data-title="Skeiðbundna skipanin" data-language-autonym="Føroyskt" data-language-local-name="færeyska" 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/Tableau_p%C3%A9riodique_des_%C3%A9l%C3%A9ments" title="Tableau périodique des éléments – franska" lang="fr" hreflang="fr" data-title="Tableau périodique des éléments" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr badge-Q17437798 badge-goodarticle mw-list-item" title="Gæðagrein"><a href="https://frr.wikipedia.org/wiki/Perioodisch_tab%C3%A4le" title="Perioodisch tabäle – norðurfrísneska" lang="frr" hreflang="frr" data-title="Perioodisch tabäle" data-language-autonym="Nordfriisk" data-language-local-name="norðurfrísneska" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Tabele_periodiche" title="Tabele periodiche – fríúlska" lang="fur" hreflang="fur" data-title="Tabele periodiche" data-language-autonym="Furlan" data-language-local-name="fríúlska" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Periodyk_systeem_fan_de_eleminten" title="Periodyk systeem fan de eleminten – vesturfrísneska" lang="fy" hreflang="fy" data-title="Periodyk systeem fan de eleminten" data-language-autonym="Frysk" data-language-local-name="vesturfrísneska" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/T%C3%A1bla_peiriadach" title="Tábla peiriadach – írska" lang="ga" hreflang="ga" data-title="Tábla peiriadach" data-language-autonym="Gaeilge" data-language-local-name="írska" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E5%85%83%E7%B4%A0%E9%80%B1%E6%9C%9F%E8%A1%A8" title="元素週期表 – gan" lang="gan" hreflang="gan" data-title="元素週期表" 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-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Tablo_p%C3%A9ryodik_di_s%C3%A9_%C3%A9l%C3%A9man" title="Tablo péryodik di sé éléman – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Tablo péryodik di sé éléman" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Cl%C3%A0r_pillteach" title="Clàr pillteach – skosk gelíska" lang="gd" hreflang="gd" data-title="Clàr pillteach" data-language-autonym="Gàidhlig" data-language-local-name="skosk gelíska" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://gl.wikipedia.org/wiki/T%C3%A1boa_peri%C3%B3dica_dos_elementos" title="Táboa periódica dos elementos – galisíska" lang="gl" hreflang="gl" data-title="Táboa periódica dos elementos" data-language-autonym="Galego" data-language-local-name="galisíska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Ap%E1%BB%B9i_k%C3%ADmiko_rechaukaha" title="Apỹi kímiko rechaukaha – gvaraní" lang="gn" hreflang="gn" data-title="Apỹi kímiko rechaukaha" data-language-autonym="Avañe'ẽ" data-language-local-name="gvaraní" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%86%E0%AA%B5%E0%AA%B0%E0%AB%8D%E0%AA%A4_%E0%AA%95%E0%AB%8B%E0%AA%B7%E0%AB%8D%E0%AA%9F%E0%AA%95" title="આવર્ત કોષ્ટક – gújaratí" lang="gu" hreflang="gu" data-title="આવર્ત કોષ્ટક" data-language-autonym="ગુજરાતી" data-language-local-name="gújaratí" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Taabyl_reiltagh_ny_bunstooghyn" title="Taabyl reiltagh ny bunstooghyn – manska" lang="gv" hreflang="gv" data-title="Taabyl reiltagh ny bunstooghyn" data-language-autonym="Gaelg" data-language-local-name="manska" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Ngi%C3%A8n-su_ch%C3%BB-kh%C3%AC-p%C3%A9u" title="Ngièn-su chû-khì-péu – Hakka Chinese" lang="hak" hreflang="hak" data-title="Ngièn-su chû-khì-péu" 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-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%94%D7%98%D7%91%D7%9C%D7%94_%D7%94%D7%9E%D7%97%D7%96%D7%95%D7%A8%D7%99%D7%AA" title="הטבלה המחזורית – hebreska" lang="he" hreflang="he" data-title="הטבלה המחזורית" data-language-autonym="עברית" data-language-local-name="hebreska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%86%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A4_%E0%A4%B8%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%80" title="आवर्त सारणी – hindí" lang="hi" hreflang="hi" data-title="आवर्त सारणी" data-language-autonym="हिन्दी" data-language-local-name="hindí" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Periodic_table" title="Periodic table – Fiji Hindi" lang="hif" hreflang="hif" data-title="Periodic table" 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-hr badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://hr.wikipedia.org/wiki/Periodni_sustav_elemenata" title="Periodni sustav elemenata – króatíska" lang="hr" hreflang="hr" data-title="Periodni sustav elemenata" data-language-autonym="Hrvatski" data-language-local-name="króatíska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Tablo_klasifikasyon_peryodik_eleman" title="Tablo klasifikasyon peryodik eleman – haítíska" lang="ht" hreflang="ht" data-title="Tablo klasifikasyon peryodik eleman" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haítíska" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/K%C3%A9miai_elemek_peri%C3%B3dusos_rendszere" title="Kémiai elemek periódusos rendszere – ungverska" lang="hu" hreflang="hu" data-title="Kémiai elemek periódusos rendszere" data-language-autonym="Magyar" data-language-local-name="ungverska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8A%D5%A1%D6%80%D5%A2%D5%A5%D6%80%D5%A1%D5%AF%D5%A1%D5%B6_%D5%A1%D5%B2%D5%B5%D5%B8%D6%82%D5%BD%D5%A1%D5%AF" title="Պարբերական աղյուսակ – armenska" lang="hy" hreflang="hy" data-title="Պարբերական աղյուսակ" data-language-autonym="Հայերեն" data-language-local-name="armenska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Tabella_periodic_del_elementos" title="Tabella periodic del elementos – interlingua" lang="ia" hreflang="ia" data-title="Tabella periodic del elementos" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-id badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://id.wikipedia.org/wiki/Tabel_periodik" title="Tabel periodik – indónesíska" lang="id" hreflang="id" data-title="Tabel periodik" data-language-autonym="Bahasa Indonesia" data-language-local-name="indónesíska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ie mw-list-item"><a href="https://ie.wikipedia.org/wiki/Tabelle_periodic" title="Tabelle periodic – interlingve" lang="ie" hreflang="ie" data-title="Tabelle periodic" data-language-autonym="Interlingue" data-language-local-name="interlingve" class="interlanguage-link-target"><span>Interlingue</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Periodiko_a_lamisaan_dagiti_elemento" title="Periodiko a lamisaan dagiti elemento – ílokó" lang="ilo" hreflang="ilo" data-title="Periodiko a lamisaan dagiti elemento" data-language-autonym="Ilokano" data-language-local-name="ílokó" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B5_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%B8%D0%B9_%D0%BC%D1%83%D1%80%D0%B0_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Химе элементий мура система – ingús" lang="inh" hreflang="inh" data-title="Химе элементий мура система" data-language-autonym="ГӀалгӀай" data-language-local-name="ingús" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Periodala_tabelo" title="Periodala tabelo – ídó" lang="io" hreflang="io" data-title="Periodala tabelo" data-language-autonym="Ido" data-language-local-name="ídó" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Tavola_periodica_degli_elementi" title="Tavola periodica degli elementi – ítalska" lang="it" hreflang="it" data-title="Tavola periodica degli elementi" data-language-autonym="Italiano" data-language-local-name="ítalska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja badge-Q17437798 badge-goodarticle mw-list-item" title="Gæðagrein"><a href="https://ja.wikipedia.org/wiki/%E5%91%A8%E6%9C%9F%E8%A1%A8" title="周期表 – japanska" lang="ja" hreflang="ja" data-title="周期表" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Piiriadik_tiebl" title="Piiriadik tiebl – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Piiriadik tiebl" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/dikni_selratni_cartu" title="dikni selratni cartu – lojban" lang="jbo" hreflang="jbo" data-title="dikni selratni cartu" 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-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Prat%C3%A9lan_unsur_miturut_lambang" title="Pratélan unsur miturut lambang – javanska" lang="jv" hreflang="jv" data-title="Pratélan unsur miturut lambang" data-language-autonym="Jawa" data-language-local-name="javanska" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A5%E1%83%98%E1%83%9B%E1%83%98%E1%83%A3%E1%83%A0_%E1%83%94%E1%83%9A%E1%83%94%E1%83%9B%E1%83%94%E1%83%9C%E1%83%A2%E1%83%97%E1%83%90_%E1%83%9E%E1%83%94%E1%83%A0%E1%83%98%E1%83%9D%E1%83%93%E1%83%A3%E1%83%9A%E1%83%98_%E1%83%A1%E1%83%98%E1%83%A1%E1%83%A2%E1%83%94%E1%83%9B%E1%83%90" title="ქიმიურ ელემენტთა პერიოდული სისტემა – georgíska" lang="ka" hreflang="ka" data-title="ქიმიურ ელემენტთა პერიოდული სისტემა" data-language-autonym="ქართული" data-language-local-name="georgíska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/Tafelwit_tawalant" title="Tafelwit tawalant – kabíle" lang="kab" hreflang="kab" data-title="Tafelwit tawalant" data-language-autonym="Taqbaylit" data-language-local-name="kabíle" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-ki mw-list-item"><a href="https://ki.wikipedia.org/wiki/Metha_Njokereri" title="Metha Njokereri – kíkújú" lang="ki" hreflang="ki" data-title="Metha Njokereri" data-language-autonym="Gĩkũyũ" data-language-local-name="kíkújú" class="interlanguage-link-target"><span>Gĩkũyũ</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%8F%D0%BB%D1%8B%D2%9B_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%82%D0%B5%D1%80%D0%B4%D1%96%D2%A3_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D1%82%D1%8B%D2%9B_%D0%B6%D2%AF%D0%B9%D0%B5%D1%81%D1%96" title="Химиялық элементтердің периодтық жүйесі – kasakska" lang="kk" hreflang="kk" data-title="Химиялық элементтердің периодтық жүйесі" data-language-autonym="Қазақша" data-language-local-name="kasakska" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-km mw-list-item"><a href="https://km.wikipedia.org/wiki/%E1%9E%8F%E1%9E%B6%E1%9E%9A%E1%9E%B6%E1%9E%84%E1%9E%81%E1%9E%BD%E1%9E%94%E1%9E%93%E1%9F%83%E1%9E%92%E1%9E%B6%E1%9E%8F%E1%9E%BB%E1%9E%82%E1%9E%B8%E1%9E%98%E1%9E%B8" title="តារាងខួបនៃធាតុគីមី – kmer" lang="km" hreflang="km" data-title="តារាងខួបនៃធាតុគីមី" data-language-autonym="ភាសាខ្មែរ" data-language-local-name="kmer" class="interlanguage-link-target"><span>ភាសាខ្មែរ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%86%E0%B2%B5%E0%B2%B0%E0%B3%8D%E0%B2%A4_%E0%B2%95%E0%B3%8B%E0%B2%B7%E0%B3%8D%E0%B2%9F%E0%B2%95" title="ಆವರ್ತ ಕೋಷ್ಟಕ – kannada" lang="kn" hreflang="kn" data-title="ಆವರ್ತ ಕೋಷ್ಟಕ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%A3%BC%EA%B8%B0%EC%9C%A8%ED%91%9C" title="주기율표 – kóreska" lang="ko" hreflang="ko" data-title="주기율표" data-language-autonym="한국어" data-language-local-name="kóreska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-koi mw-list-item"><a href="https://koi.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B4%D1%8D%D0%B7_%D1%81%D1%8C%D3%A7%D1%80%D1%82%D1%96_%D1%85%D0%B8%D0%BC%D0%B8%D1%8F_%D3%A7%D1%82%D1%83%D0%B2%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%B7%D0%BB%D3%A7%D0%BD_%D1%82%D1%8D%D1%87%D0%B0%D1%81" title="Периоддэз сьӧрті химия ӧтувторрезлӧн тэчас – kómí-permyak" lang="koi" hreflang="koi" data-title="Периоддэз сьӧрті химия ӧтувторрезлӧн тэчас" data-language-autonym="Перем коми" data-language-local-name="kómí-permyak" class="interlanguage-link-target"><span>Перем коми</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/S%C3%AEstema_vedor%C3%AE_ya_elementan" title="Sîstema vedorî ya elementan – kúrdíska" lang="ku" hreflang="ku" data-title="Sîstema vedorî ya elementan" data-language-autonym="Kurdî" data-language-local-name="kúrdíska" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%8F_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%8A%D1%8F%D1%81%D0%BB%D3%A7%D0%BD_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Химия элементъяслӧн период система – komíska" lang="kv" hreflang="kv" data-title="Химия элементъяслӧн период система" data-language-autonym="Коми" data-language-local-name="komíska" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/An_Vosen_Beriodek" title="An Vosen Beriodek – kornbreska" lang="kw" hreflang="kw" data-title="An Vosen Beriodek" data-language-autonym="Kernowek" data-language-local-name="kornbreska" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%AD%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%82%D0%B5%D1%80%D0%B4%D0%B8%D0%BD_%D0%BC%D0%B5%D0%B7%D0%B3%D0%B8%D0%BB%D0%B4%D0%B8%D0%BA_%D1%82%D1%83%D1%82%D1%83%D0%BC%D1%83" title="Элементтердин мезгилдик тутуму – kirgiska" lang="ky" hreflang="ky" data-title="Элементтердин мезгилдик тутуму" data-language-autonym="Кыргызча" data-language-local-name="kirgiska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Systema_periodicum" title="Systema periodicum – latína" lang="la" hreflang="la" data-title="Systema periodicum" data-language-autonym="Latina" data-language-local-name="latína" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Periodesystem_vun_den_Elementer" title="Periodesystem vun den Elementer – lúxemborgíska" lang="lb" hreflang="lb" data-title="Periodesystem vun den Elementer" data-language-autonym="Lëtzebuergesch" data-language-local-name="lúxemborgíska" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D1%8F%D0%B4%D0%B8%D0%BD_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%80%D0%B8%D0%BD_%D0%B4%D0%B5%D0%B2%D0%B8%D1%80%D0%B4%D0%B8%D0%BD_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0" title="Химиядин элементрин девирдин система – lesgíska" lang="lez" hreflang="lez" data-title="Химиядин элементрин девирдин система" data-language-autonym="Лезги" data-language-local-name="lesgíska" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Periodiek_systeem_vaan_eleminte" title="Periodiek systeem vaan eleminte – limbúrgíska" lang="li" hreflang="li" data-title="Periodiek systeem vaan eleminte" data-language-autonym="Limburgs" data-language-local-name="limbúrgíska" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lld mw-list-item"><a href="https://lld.wikipedia.org/wiki/Tabela_periodica_di_elemenc" title="Tabela periodica di elemenc – Ladin" lang="lld" hreflang="lld" data-title="Tabela periodica di elemenc" data-language-autonym="Ladin" data-language-local-name="Ladin" class="interlanguage-link-target"><span>Ladin</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Taula_periodica" title="Taula periodica – Lombard" lang="lmo" hreflang="lmo" data-title="Taula periodica" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-ln mw-list-item"><a href="https://ln.wikipedia.org/wiki/Et%C3%A1nda_ya_bileko" title="Etánda ya bileko – lingala" lang="ln" hreflang="ln" data-title="Etánda ya bileko" data-language-autonym="Lingála" data-language-local-name="lingala" class="interlanguage-link-target"><span>Lingála</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%95%E0%BA%B2%E0%BA%95%E0%BA%B0%E0%BA%A5%E0%BA%B2%E0%BA%87%E0%BA%97%E0%BA%B2%E0%BA%94" title="ຕາຕະລາງທາດ – laó" lang="lo" hreflang="lo" data-title="ຕາຕະລາງທາດ" data-language-autonym="ລາວ" data-language-local-name="laó" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Periodin%C4%97_element%C5%B3_lentel%C4%97" title="Periodinė elementų lentelė – litháíska" lang="lt" hreflang="lt" data-title="Periodinė elementų lentelė" data-language-autonym="Lietuvių" data-language-local-name="litháíska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/%C4%B6%C4%ABmisko_elementu_periodisk%C4%81_tabula" title="Ķīmisko elementu periodiskā tabula – lettneska" lang="lv" hreflang="lv" data-title="Ķīmisko elementu periodiskā tabula" data-language-autonym="Latviešu" data-language-local-name="lettneska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Tabilaon%27ny_singa" title="Tabilaon'ny singa – malagasíska" lang="mg" hreflang="mg" data-title="Tabilaon'ny singa" data-language-autonym="Malagasy" data-language-local-name="malagasíska" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-mhr mw-list-item"><a href="https://mhr.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D0%B9_%D1%82%D3%B1%D2%A5%D0%BB%D1%8B%D0%BA-%D0%B2%D0%BB%D0%B0%D0%BA%D1%8B%D0%BD_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D0%BA_%D1%80%D0%B0%D0%B4%D0%B0%D0%BC%D0%BB%D1%8B%D0%BA%D1%88%D0%B5" title="Химий тӱҥлык-влакын периодик радамлыкше – Eastern Mari" lang="mhr" hreflang="mhr" data-title="Химий тӱҥлык-влакын периодик радамлыкше" data-language-autonym="Олык марий" data-language-local-name="Eastern Mari" class="interlanguage-link-target"><span>Олык марий</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/Ripanga_p%C5%ABmotu" title="Ripanga pūmotu – maorí" lang="mi" hreflang="mi" data-title="Ripanga pūmotu" data-language-autonym="Māori" data-language-local-name="maorí" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-min mw-list-item"><a href="https://min.wikipedia.org/wiki/Tabel_periodik" title="Tabel periodik – mínangkabá" lang="min" hreflang="min" data-title="Tabel periodik" data-language-autonym="Minangkabau" data-language-local-name="mínangkabá" class="interlanguage-link-target"><span>Minangkabau</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B5%D0%BD_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC_%D0%BD%D0%B0_%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%B8%D1%82%D0%B5" title="Периоден систем на елементите – makedónska" lang="mk" hreflang="mk" data-title="Периоден систем на елементите" data-language-autonym="Македонски" data-language-local-name="makedónska" 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%86%E0%B4%B5%E0%B5%BC%E0%B4%A4%E0%B5%8D%E0%B4%A4%E0%B4%A8%E0%B4%AA%E0%B5%8D%E0%B4%AA%E0%B4%9F%E0%B5%8D%E0%B4%9F%E0%B4%BF%E0%B4%95" title="ആവർത്തനപ്പട്ടിക – malajalam" lang="ml" hreflang="ml" data-title="ആവർത്തനപ്പട്ടിക" data-language-autonym="മലയാളം" data-language-local-name="malajalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D2%AE%D0%B5%D0%BB%D1%8D%D1%85_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC" title="Үелэх систем – mongólska" lang="mn" hreflang="mn" data-title="Үелэх систем" data-language-autonym="Монгол" data-language-local-name="mongólska" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-mnw mw-list-item"><a href="https://mnw.wikipedia.org/wiki/%E1%80%9E%E1%80%B9%E1%81%9A%E1%80%AD%E1%80%A1%E1%80%84%E1%80%BA%E1%80%80%E1%80%AC%E1%80%9C" title="သ္ၚိအင်ကာလ – Mon" lang="mnw" hreflang="mnw" data-title="သ္ၚိအင်ကာလ" data-language-autonym="ဘာသာမန်" data-language-local-name="Mon" class="interlanguage-link-target"><span>ဘာသာမန်</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%86%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A4_%E0%A4%B8%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%80" title="आवर्त सारणी – maratí" lang="mr" hreflang="mr" data-title="आवर्त सारणी" data-language-autonym="मराठी" data-language-local-name="maratí" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Jadual_berkala" title="Jadual berkala – malaíska" lang="ms" hreflang="ms" data-title="Jadual berkala" data-language-autonym="Bahasa Melayu" data-language-local-name="malaíska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-mt mw-list-item"><a href="https://mt.wikipedia.org/wiki/Tavla_perjodika" title="Tavla perjodika – maltneska" lang="mt" hreflang="mt" data-title="Tavla perjodika" data-language-autonym="Malti" data-language-local-name="maltneska" class="interlanguage-link-target"><span>Malti</span></a></li><li class="interlanguage-link interwiki-mwl mw-list-item"><a href="https://mwl.wikipedia.org/wiki/Tabela_peri%C3%B3dica" title="Tabela periódica – mirandesíska" lang="mwl" hreflang="mwl" data-title="Tabela periódica" data-language-autonym="Mirandés" data-language-local-name="mirandesíska" class="interlanguage-link-target"><span>Mirandés</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%92%E1%80%BC%E1%80%95%E1%80%BA%E1%80%85%E1%80%84%E1%80%BA%E1%80%A1%E1%80%9C%E1%80%BE%E1%80%8A%E1%80%B7%E1%80%BA%E1%80%80%E1%80%BB%E1%80%87%E1%80%9A%E1%80%AC%E1%80%B8" title="ဒြပ်စင်အလှည့်ကျဇယား – búrmneska" lang="my" hreflang="my" data-title="ဒြပ်စင်အလှည့်ကျဇယား" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="búrmneska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nah mw-list-item"><a href="https://nah.wikipedia.org/wiki/Tlap%C4%93uhc%C4%81y%C5%8Dtl_nemachiy%C5%8Dt%C4%ABlp%C4%81ntli" title="Tlapēuhcāyōtl nemachiyōtīlpāntli – Nahuatl" lang="nah" hreflang="nah" data-title="Tlapēuhcāyōtl nemachiyōtīlpāntli" data-language-autonym="Nāhuatl" data-language-local-name="Nahuatl" class="interlanguage-link-target"><span>Nāhuatl</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Periodensystem" title="Periodensystem – lágþýska; lágsaxneska" lang="nds" hreflang="nds" data-title="Periodensystem" data-language-autonym="Plattdüütsch" data-language-local-name="lágþýska; lágsaxneska" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%86%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A4_%E0%A4%B8%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%80" title="आवर्त सारणी – nepalska" lang="ne" hreflang="ne" data-title="आवर्त सारणी" data-language-autonym="नेपाली" data-language-local-name="nepalska" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%A4%E0%A4%A4%E0%A5%8D%E0%A4%A4%E0%A5%8D%E0%A4%B5%E0%A4%AE%E0%A4%BE%E0%A4%82" title="तत्त्वमां – nevarí" lang="new" hreflang="new" data-title="तत्त्वमां" data-language-autonym="नेपाल भाषा" data-language-local-name="nevarí" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Periodiek_systeem" title="Periodiek systeem – hollenska" lang="nl" hreflang="nl" data-title="Periodiek systeem" data-language-autonym="Nederlands" data-language-local-name="hollenska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Periodesystemet" title="Periodesystemet – nýnorska" lang="nn" hreflang="nn" data-title="Periodesystemet" data-language-autonym="Norsk nynorsk" data-language-local-name="nýnorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no badge-Q17506997 badge-featuredlist mw-list-item" title="featured list badge"><a href="https://no.wikipedia.org/wiki/Periodesystemet" title="Periodesystemet – norskt bókmál" lang="nb" hreflang="nb" data-title="Periodesystemet" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bókmál" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Taula_periodica" title="Taula periodica – oksítaníska" lang="oc" hreflang="oc" data-title="Taula periodica" data-language-autonym="Occitan" data-language-local-name="oksítaníska" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Gabatee_Wahiyyoolee" title="Gabatee Wahiyyoolee – oromo" lang="om" hreflang="om" data-title="Gabatee Wahiyyoolee" data-language-autonym="Oromoo" data-language-local-name="oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%AA%E0%AC%B0%E0%AD%8D%E0%AC%AF%E0%AD%8D%E0%AD%9F%E0%AC%BE%E0%AD%9F_%E0%AC%B8%E0%AC%BE%E0%AC%B0%E0%AC%A3%E0%AD%80" title="ପର୍ଯ୍ୟାୟ ସାରଣୀ – óría" lang="or" hreflang="or" data-title="ପର୍ଯ୍ୟାୟ ସାରଣୀ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="óría" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%AD%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%82%D1%8B_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%BE%D0%BD_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%C3%A6" title="Элементты периодон системæ – ossetíska" lang="os" hreflang="os" data-title="Элементты периодон системæ" data-language-autonym="Ирон" data-language-local-name="ossetíska" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%AE%E0%A8%BF%E0%A8%86%E0%A8%A6%E0%A9%80_%E0%A8%AA%E0%A8%B9%E0%A8%BE%E0%A9%9C%E0%A8%BE" title="ਮਿਆਦੀ ਪਹਾੜਾ – púnjabí" lang="pa" hreflang="pa" data-title="ਮਿਆਦੀ ਪਹਾੜਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="púnjabí" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pam mw-list-item"><a href="https://pam.wikipedia.org/wiki/Tablang_periodiku_da_ring_elementu" title="Tablang periodiku da ring elementu – pampanga" lang="pam" hreflang="pam" data-title="Tablang periodiku da ring elementu" data-language-autonym="Kapampangan" data-language-local-name="pampanga" class="interlanguage-link-target"><span>Kapampangan</span></a></li><li class="interlanguage-link interwiki-pap mw-list-item"><a href="https://pap.wikipedia.org/wiki/Tab%C3%A8l_peri%C3%B3diko" title="Tabèl periódiko – papíamentó" lang="pap" hreflang="pap" data-title="Tabèl periódiko" data-language-autonym="Papiamentu" data-language-local-name="papíamentó" class="interlanguage-link-target"><span>Papiamentu</span></a></li><li class="interlanguage-link interwiki-pcd mw-list-item"><a href="https://pcd.wikipedia.org/wiki/Tableau_p%C3%A9riodique" title="Tableau périodique – Picard" lang="pcd" hreflang="pcd" data-title="Tableau périodique" data-language-autonym="Picard" data-language-local-name="Picard" class="interlanguage-link-target"><span>Picard</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Uk%C5%82ad_okresowy_pierwiastk%C3%B3w" title="Układ okresowy pierwiastków – pólska" lang="pl" hreflang="pl" data-title="Układ okresowy pierwiastków" data-language-autonym="Polski" data-language-local-name="pólska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/T%C3%A0ula_peri%C3%B2dica" title="Tàula periòdica – Piedmontese" lang="pms" hreflang="pms" data-title="Tàula periòdica" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D9%BE%DB%8C%D8%B1%DB%8C%D8%A7%DA%88%DA%A9_%D9%B9%DB%8C%D8%A8%D9%84" title="پیریاڈک ٹیبل – Western Punjabi" lang="pnb" hreflang="pnb" data-title="پیریاڈک ٹیبل" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pnt mw-list-item"><a href="https://pnt.wikipedia.org/wiki/%CE%A0%CE%B5%CF%81%CE%B9%CE%BF%CE%B4%CE%B9%CE%BA%CF%8C%CE%BD_%CE%A0%CE%B9%CE%BD%CE%AC%CE%BA%CE%B9%CE%BD" title="Περιοδικόν Πινάκιν – Pontic" lang="pnt" hreflang="pnt" data-title="Περιοδικόν Πινάκιν" data-language-autonym="Ποντιακά" data-language-local-name="Pontic" class="interlanguage-link-target"><span>Ποντιακά</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AF%D8%B9%D9%86%D8%A7%D8%B5%D8%B1%D9%88_%D8%AF%D9%88%D8%B1%D8%A7%D9%86%D9%8A_%D8%AC%D8%AF%D9%88%D9%84" title="دعناصرو دوراني جدول – pastú" lang="ps" hreflang="ps" data-title="دعناصرو دوراني جدول" data-language-autonym="پښتو" data-language-local-name="pastú" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Tabela_peri%C3%B3dica" title="Tabela periódica – portúgalska" lang="pt" hreflang="pt" data-title="Tabela periódica" data-language-autonym="Português" data-language-local-name="portúgalska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Qallawap_%C3%B1iqi_rakirinkuna" title="Qallawap ñiqi rakirinkuna – kvesjúa" lang="qu" hreflang="qu" data-title="Qallawap ñiqi rakirinkuna" data-language-autonym="Runa Simi" data-language-local-name="kvesjúa" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Tabelul_periodic_al_elementelor" title="Tabelul periodic al elementelor – rúmenska" lang="ro" hreflang="ro" data-title="Tabelul periodic al elementelor" data-language-autonym="Română" data-language-local-name="rúmenska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Tabela_periodic%C3%A3-a_elements%C3%A3lor" title="Tabela periodicã-a elementsãlor – arúmenska" lang="rup" hreflang="rup" data-title="Tabela periodicã-a elementsãlor" data-language-autonym="Armãneashti" data-language-local-name="arúmenska" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-roa-tara mw-list-item"><a href="https://roa-tara.wikipedia.org/wiki/Tavele_Periodiche" title="Tavele Periodiche – Tarantino" lang="nap-x-tara" hreflang="nap-x-tara" data-title="Tavele Periodiche" data-language-autonym="Tarandíne" data-language-local-name="Tarantino" class="interlanguage-link-target"><span>Tarandíne</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B0%D1%8F_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0_%D1%85%D0%B8%D0%BC%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D1%85_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%BE%D0%B2" title="Периодическая система химических элементов – rússneska" lang="ru" hreflang="ru" data-title="Периодическая система химических элементов" data-language-autonym="Русский" data-language-local-name="rússneska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D1%96%D0%BE%D0%B4%D1%96%D1%87%D0%BD%D0%B0_%D1%81%D1%96%D1%81%D1%82%D0%B5%D0%BC%D0%B0_%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%96%D0%B2" title="Періодічна сістема елементів – Rusyn" lang="rue" hreflang="rue" data-title="Періодічна сістема елементів" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%86%E0%A4%B5%E0%A4%B0%E0%A5%8D%E0%A4%A4%E0%A4%B8%E0%A4%BE%E0%A4%B0%E0%A4%A3%E0%A5%80" title="आवर्तसारणी – sanskrít" lang="sa" hreflang="sa" data-title="आवर्तसारणी" data-language-autonym="संस्कृतम्" data-language-local-name="sanskrít" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D1%82%D0%B0%D0%B0%D1%85_%D1%82%D0%B0%D0%B0%D0%B1%D1%8B%D0%BB" title="Периодтаах таабыл – jakút" lang="sah" hreflang="sah" data-title="Периодтаах таабыл" data-language-autonym="Саха тыла" data-language-local-name="jakút" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/T%C3%A0ula_peri%C3%B2dica_de_is_elementos" title="Tàula periòdica de is elementos – sardínska" lang="sc" hreflang="sc" data-title="Tàula periòdica de is elementos" data-language-autonym="Sardu" data-language-local-name="sardínska" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/T%C3%A0vula_piri%C3%B2dica" title="Tàvula piriòdica – sikileyska" lang="scn" hreflang="scn" data-title="Tàvula piriòdica" data-language-autonym="Sicilianu" data-language-local-name="sikileyska" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Periodic_cairt" title="Periodic cairt – skoska" lang="sco" hreflang="sco" data-title="Periodic cairt" data-language-autonym="Scots" data-language-local-name="skoska" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D8%AF%D9%88%D8%B1%D9%8A_%D8%AC%D8%AF%D9%88%D9%84" title="دوري جدول – sindí" lang="sd" hreflang="sd" data-title="دوري جدول" data-language-autonym="سنڌي" data-language-local-name="sindí" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/Periodala%C5%A1_tabealla" title="Periodalaš tabealla – norðursamíska" lang="se" hreflang="se" data-title="Periodalaš tabealla" data-language-autonym="Davvisámegiella" data-language-local-name="norðursamíska" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Periodni_sistem_elemenata" title="Periodni sistem elemenata – serbókróatíska" lang="sh" hreflang="sh" data-title="Periodni sistem elemenata" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbókróatíska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-shi mw-list-item"><a href="https://shi.wikipedia.org/wiki/Taflwit_tazdawant_n_ifr%E1%B8%8Disn" title="Taflwit tazdawant n ifrḍisn – tachelhit" lang="shi" hreflang="shi" data-title="Taflwit tazdawant n ifrḍisn" data-language-autonym="Taclḥit" data-language-local-name="tachelhit" class="interlanguage-link-target"><span>Taclḥit</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%86%E0%B7%80%E0%B6%BB%E0%B7%8A%E0%B6%AD%E0%B7%92%E0%B6%AD%E0%B7%8F_%E0%B7%80%E0%B6%9C%E0%B7%94%E0%B7%80" title="ආවර්තිතා වගුව – singalíska" lang="si" hreflang="si" data-title="ආවර්තිතා වගුව" data-language-autonym="සිංහල" data-language-local-name="singalíska" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Periodic_table" title="Periodic table – Simple English" lang="en-simple" hreflang="en-simple" data-title="Periodic table" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Periodick%C3%A1_tabu%C4%BEka" title="Periodická tabuľka – slóvakíska" lang="sk" hreflang="sk" data-title="Periodická tabuľka" data-language-autonym="Slovenčina" data-language-local-name="slóvakíska" 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/Periodni_sistem_elementov" title="Periodni sistem elementov – slóvenska" lang="sl" hreflang="sl" data-title="Periodni sistem elementov" data-language-autonym="Slovenščina" data-language-local-name="slóvenska" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-smn mw-list-item"><a href="https://smn.wikipedia.org/wiki/R%C3%A1i%C4%91ul%C3%A2%C5%A1_vu%C3%A1h%C3%A1d%C3%A2h" title="Ráiđulâš vuáhádâh – enaresamíska" lang="smn" hreflang="smn" data-title="Ráiđulâš vuáhádâh" data-language-autonym="Anarâškielâ" data-language-local-name="enaresamíska" class="interlanguage-link-target"><span>Anarâškielâ</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Chapotera_cheNhangande_Dzakadevana" title="Chapotera cheNhangande Dzakadevana – shona" lang="sn" hreflang="sn" data-title="Chapotera cheNhangande Dzakadevana" data-language-autonym="ChiShona" data-language-local-name="shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Jadwalka_Curiyayaasha" title="Jadwalka Curiyayaasha – sómalska" lang="so" hreflang="so" data-title="Jadwalka Curiyayaasha" data-language-autonym="Soomaaliga" data-language-local-name="sómalska" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Sistemi_periodik_i_elementeve" title="Sistemi periodik i elementeve – albanska" lang="sq" hreflang="sq" data-title="Sistemi periodik i elementeve" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://sr.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%BD%D0%B8_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC" title="Периодни систем – serbneska" lang="sr" hreflang="sr" data-title="Периодни систем" data-language-autonym="Српски / srpski" data-language-local-name="serbneska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-srn mw-list-item"><a href="https://srn.wikipedia.org/wiki/Periodiki_sistemi" title="Periodiki sistemi – sranan tongo" lang="srn" hreflang="srn" data-title="Periodiki sistemi" data-language-autonym="Sranantongo" data-language-local-name="sranan tongo" class="interlanguage-link-target"><span>Sranantongo</span></a></li><li class="interlanguage-link interwiki-st mw-list-item"><a href="https://st.wikipedia.org/wiki/Tafole_ya_periodiki" title="Tafole ya periodiki – suðursótó" lang="st" hreflang="st" data-title="Tafole ya periodiki" data-language-autonym="Sesotho" data-language-local-name="suðursótó" class="interlanguage-link-target"><span>Sesotho</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Periodiske_Tabelle" title="Periodiske Tabelle – Saterland Frisian" lang="stq" hreflang="stq" data-title="Periodiske Tabelle" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Tab%C3%A9l_periodik" title="Tabél periodik – súndanska" lang="su" hreflang="su" data-title="Tabél periodik" data-language-autonym="Sunda" data-language-local-name="súndanska" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Periodiska_systemet" title="Periodiska systemet – sænska" lang="sv" hreflang="sv" data-title="Periodiska systemet" data-language-autonym="Svenska" data-language-local-name="sænska" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Mfumo_radidia" title="Mfumo radidia – svahílí" lang="sw" hreflang="sw" data-title="Mfumo radidia" data-language-autonym="Kiswahili" data-language-local-name="svahílí" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-szl mw-list-item"><a href="https://szl.wikipedia.org/wiki/Uk%C5%82%C5%8Fd_%C3%B4kresowy_elymynt%C5%8Dw" title="Ukłŏd ôkresowy elymyntōw – Silesian" lang="szl" hreflang="szl" data-title="Ukłŏd ôkresowy elymyntōw" data-language-autonym="Ślůnski" data-language-local-name="Silesian" class="interlanguage-link-target"><span>Ślůnski</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%A4%E0%AE%A9%E0%AE%BF%E0%AE%AE_%E0%AE%85%E0%AE%9F%E0%AF%8D%E0%AE%9F%E0%AE%B5%E0%AE%A3%E0%AF%88" title="தனிம அட்டவணை – tamílska" lang="ta" hreflang="ta" data-title="தனிம அட்டவணை" data-language-autonym="தமிழ்" data-language-local-name="tamílska" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%86%E0%B0%B5%E0%B0%B0%E0%B1%8D%E0%B0%A4%E0%B0%A8_%E0%B0%AA%E0%B0%9F%E0%B1%8D%E0%B0%9F%E0%B0%BF%E0%B0%95" title="ఆవర్తన పట్టిక – telúgú" lang="te" hreflang="te" data-title="ఆవర్తన పట్టిక" data-language-autonym="తెలుగు" data-language-local-name="telúgú" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D2%B6%D0%B0%D0%B4%D0%B2%D0%B0%D0%BB%D0%B8_%D0%B4%D0%B0%D0%B2%D1%80%D0%B8%D0%B8_%D1%83%D0%BD%D1%81%D1%83%D1%80%D2%B3%D0%BE%D0%B8_%D0%BA%D0%B8%D0%BC%D0%B8%D1%91%D3%A3" title="Ҷадвали даврии унсурҳои кимиёӣ – tadsjikska" lang="tg" hreflang="tg" data-title="Ҷадвали даврии унсурҳои кимиёӣ" data-language-autonym="Тоҷикӣ" data-language-local-name="tadsjikska" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-th badge-Q17437798 badge-goodarticle mw-list-item" title="Gæðagrein"><a href="https://th.wikipedia.org/wiki/%E0%B8%95%E0%B8%B2%E0%B8%A3%E0%B8%B2%E0%B8%87%E0%B8%98%E0%B8%B2%E0%B8%95%E0%B8%B8" title="ตารางธาตุ – taílenska" lang="th" hreflang="th" data-title="ตารางธาตุ" data-language-autonym="ไทย" data-language-local-name="taílenska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tk mw-list-item"><a href="https://tk.wikipedia.org/wiki/Himiki_elementleri%C5%88_periodik_ulgamy" title="Himiki elementleriň periodik ulgamy – túrkmenska" lang="tk" hreflang="tk" data-title="Himiki elementleriň periodik ulgamy" data-language-autonym="Türkmençe" data-language-local-name="túrkmenska" class="interlanguage-link-target"><span>Türkmençe</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Talahanayang_peryodiko" title="Talahanayang peryodiko – tagalog" lang="tl" hreflang="tl" data-title="Talahanayang peryodiko" data-language-autonym="Tagalog" data-language-local-name="tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-tpi mw-list-item"><a href="https://tpi.wikipedia.org/wiki/Tebol_bilong_ol_elemen" title="Tebol bilong ol elemen – tokpisin" lang="tpi" hreflang="tpi" data-title="Tebol bilong ol elemen" data-language-autonym="Tok Pisin" data-language-local-name="tokpisin" class="interlanguage-link-target"><span>Tok Pisin</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Periyodik_tablo" title="Periyodik tablo – tyrkneska" lang="tr" hreflang="tr" data-title="Periyodik tablo" data-language-autonym="Türkçe" data-language-local-name="tyrkneska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9C%D0%B5%D0%BD%D0%B4%D0%B5%D0%BB%D0%B5%D0%B5%D0%B2%D0%BD%D1%8B%D2%A3_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D0%B8%D0%BA_%D1%82%D0%B0%D0%B1%D0%BB%D0%B8%D1%86%D0%B0%D1%81%D1%8B" title="Менделеевның периодик таблицасы – tatarska" lang="tt" hreflang="tt" data-title="Менделеевның периодик таблицасы" data-language-autonym="Татарча / tatarça" data-language-local-name="tatarska" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%A5%D0%B8%D0%BC%D0%B8%D0%BA%D1%82%D0%B8%D0%B3_%D1%8D%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D0%B8%D0%BB%D0%B5%D1%80%D0%BD%D0%B8%D2%A3_%D0%BF%D0%B5%D1%80%D0%B8%D0%BE%D0%B4%D1%82%D1%83%D0%B3_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0%D0%B7%D1%8B" title="Химиктиг элементилерниң периодтуг системазы – túvínska" lang="tyv" hreflang="tyv" data-title="Химиктиг элементилерниң периодтуг системазы" data-language-autonym="Тыва дыл" data-language-local-name="túvínska" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D8%A6%DB%90%D9%84%DB%90%D9%85%DB%90%D9%86%D8%AA%D9%84%D8%A7%D8%B1%D9%86%D9%89%DA%AD_%D8%AF%DB%95%DB%8B%D8%B1%D9%89%D9%8A_%D8%AC%DB%95%DB%95%D8%AF%DB%8B%D9%89%D9%84%D9%89" title="ئېلېمېنتلارنىڭ دەۋرىي جەەدۋىلى – úígúr" lang="ug" hreflang="ug" data-title="ئېلېمېنتلارنىڭ دەۋرىي جەەدۋىلى" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="úígúr" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9F%D0%B5%D1%80%D1%96%D0%BE%D0%B4%D0%B8%D1%87%D0%BD%D0%B0_%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B0_%D1%85%D1%96%D0%BC%D1%96%D1%87%D0%BD%D0%B8%D1%85_%D0%B5%D0%BB%D0%B5%D0%BC%D0%B5%D0%BD%D1%82%D1%96%D0%B2" title="Періодична система хімічних елементів – úkraínska" lang="uk" hreflang="uk" data-title="Періодична система хімічних елементів" data-language-autonym="Українська" data-language-local-name="úkraínska" 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%AF%D9%88%D8%B1%DB%8C_%D8%AC%D8%AF%D9%88%D9%84" title="دوری جدول – úrdú" lang="ur" hreflang="ur" data-title="دوری جدول" data-language-autonym="اردو" data-language-local-name="úrdú" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Kimyoviy_elementlar_davriy_sistemasi" title="Kimyoviy elementlar davriy sistemasi – úsbekska" lang="uz" hreflang="uz" data-title="Kimyoviy elementlar davriy sistemasi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="úsbekska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Tabe%C5%82a_peri%C3%B2dega" title="Tabeła periòdega – Venetian" lang="vec" hreflang="vec" data-title="Tabeła periòdega" data-language-autonym="Vèneto" data-language-local-name="Venetian" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Himi%C5%BEiden_elementoiden_periodine_tablut" title="Himižiden elementoiden periodine tablut – Veps" lang="vep" hreflang="vep" data-title="Himižiden elementoiden periodine tablut" 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 badge-Q17437796 badge-featuredarticle mw-list-item" title="Úrvalsgrein"><a href="https://vi.wikipedia.org/wiki/B%E1%BA%A3ng_tu%E1%BA%A7n_ho%C3%A0n" title="Bảng tuần hoàn – víetnamska" lang="vi" hreflang="vi" data-title="Bảng tuần hoàn" data-language-autonym="Tiếng Việt" data-language-local-name="víetnamska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vls mw-list-item"><a href="https://vls.wikipedia.org/wiki/Periodiek_syst%C3%A8me" title="Periodiek système – West Flemish" lang="vls" hreflang="vls" data-title="Periodiek système" data-language-autonym="West-Vlams" data-language-local-name="West Flemish" class="interlanguage-link-target"><span>West-Vlams</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/T%C3%A5vlea_periodike_des_elemints" title="Tåvlea periodike des elemints – vallónska" lang="wa" hreflang="wa" data-title="Tåvlea periodike des elemints" data-language-autonym="Walon" data-language-local-name="vallónska" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Taramdan_peryodika" title="Taramdan peryodika – varaí" lang="war" hreflang="war" data-title="Taramdan peryodika" data-language-autonym="Winaray" data-language-local-name="varaí" 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/%E5%85%83%E7%B4%A0%E5%91%A8%E6%9C%9F%E8%A1%A8" title="元素周期表 – wu-kínverska" lang="wuu" hreflang="wuu" data-title="元素周期表" data-language-autonym="吴语" data-language-local-name="wu-kínverska" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%A5%E1%83%98%E1%83%9B%E1%83%98%E1%83%A3%E1%83%A0%E1%83%98_%E1%83%94%E1%83%9A%E1%83%94%E1%83%9B%E1%83%94%E1%83%9C%E1%83%A2%E1%83%94%E1%83%A4%E1%83%98%E1%83%A8_%E1%83%9E%E1%83%94%E1%83%A0%E1%83%98%E1%83%9D%E1%83%93%E1%83%A3%E1%83%9A%E1%83%98_%E1%83%A1%E1%83%98%E1%83%A1%E1%83%A2%E1%83%94%E1%83%9B%E1%83%90" title="ქიმიური ელემენტეფიშ პერიოდული სისტემა – Mingrelian" lang="xmf" hreflang="xmf" data-title="ქიმიური ელემენტეფიშ პერიოდული სისტემა" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A4%D7%A2%D7%A8%D7%99%D7%90%D7%93%D7%99%D7%A9%D7%A2_%D7%98%D7%90%D7%91%D7%A2%D7%9C%D7%A2" title="פעריאדישע טאבעלע – jiddíska" lang="yi" hreflang="yi" data-title="פעריאדישע טאבעלע" data-language-autonym="ייִדיש" data-language-local-name="jiddíska" 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/T%C3%A1b%C3%ACl%C3%AC_%C3%A0y%C3%A8_%C3%A0w%E1%BB%8Dn_%E1%BA%B9%CC%81l%C3%ADm%E1%BA%B9%CC%80nt%C3%AC" title="Tábìlì àyè àwọn ẹ́límẹ̀ntì – jórúba" lang="yo" hreflang="yo" data-title="Tábìlì àyè àwọn ẹ́límẹ̀ntì" data-language-autonym="Yorùbá" data-language-local-name="jórúba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/Yenzsoq_Couhgibyauj" title="Yenzsoq Couhgibyauj – súang" lang="za" hreflang="za" data-title="Yenzsoq Couhgibyauj" data-language-autonym="Vahcuengh" data-language-local-name="súang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%85%83%E7%B4%A0%E5%91%A8%E6%9C%9F%E8%A1%A8" title="元素周期表 – kínverska" lang="zh" hreflang="zh" data-title="元素周期表" data-language-autonym="中文" data-language-local-name="kínverska" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E5%85%83%E7%B4%A0%E9%80%B1%E6%9C%9F%E8%A1%A8" title="元素週期表 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="元素週期表" 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-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Chiu-k%C3%AE-pi%C3%A1u" title="Chiu-kî-piáu – Minnan" lang="nan" hreflang="nan" data-title="Chiu-kî-piáu" 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-zh-yue mw-list-item"><a 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<div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="is" dir="ltr"><p><b>Lotukerfið</b> er yfirlit yfir öll þekkt <a href="/wiki/Frumefni" title="Frumefni">frumefni</a> á <a href="/w/index.php?title=Tafla&action=edit&redlink=1" class="new" title="Tafla (síða er ekki enn til)">töfluformi</a>. Efnunum er raðað í töfluna eftir <a href="/wiki/At%C3%B3mn%C3%BAmer" class="mw-redirect" title="Atómnúmer">atómnúmeri</a> og hún sýnir hvernig margir eðliseiginleikar efnanna breytast í gegnum töfluna. Hvert efni er sýnt með <a href="/wiki/S%C3%A6tistala" title="Sætistala">sætistölu</a> sinni og <a href="/wiki/Efnat%C3%A1kn" title="Efnatákn">efnatákni</a>. </p><p>Lotukerfið byggist á <a href="/w/index.php?title=Lotuvirkni&action=edit&redlink=1" class="new" title="Lotuvirkni (síða er ekki enn til)">lotuvirkni</a> frumefnanna sem fer eftir atómtölu þeirra. Taflan skiptist í fjóra hluta sem eru nokkurn veginn ferkantaðir og nefnast <a href="/wiki/Blokk_(lotukerfi%C3%B0)" title="Blokk (lotukerfið)">blokkir</a>. Raðirnar nefnast <a href="/wiki/Lota" class="mw-redirect" title="Lota">lotur</a> og dálkarnir <a href="/wiki/Efnaflokkur" title="Efnaflokkur">flokkar</a>. Frumefni í sama flokki hafa svipaða eiginleika. Með lotukerfinu er hægt að sjá mynstur þar sem <a href="/wiki/M%C3%A1lmleysingi" title="Málmleysingi">málmleysi</a> (að halda í sínar gildisrafeindir) er vaxandi frá vinstri til hægri og upp í töflunni, en <a href="/wiki/M%C3%A1lmur" title="Málmur">málmeiginleikar</a> (að láta gildisrafeindir af hendi) fara vaxandi í hina áttina. Þessir eiginleikar frumefnanna ráðast af <a href="/wiki/Rafeindah%C3%BDsing" title="Rafeindahýsing">rafeindahýsingu</a> þeirra. </p><p>Fyrsta lotukerfið sem var almennt viðurkennt var lotukerfi <a href="/wiki/Dmitri_Mendelejev" class="mw-redirect" title="Dmitri Mendelejev">Dmitris Mendelejevs</a> frá 1869. Hann setti fram lögmálið um lotuvirkni frumefnanna byggða á <a href="/wiki/At%C3%B3mmassi" title="Atómmassi">atómmassa</a> þeirra. Þar sem frumefnin voru ekki öll þekkt á þeim tíma voru eyður í töflunni og Mendelejev notaði lögmálið um lotuvirkni til að sjá fyrir hverjir eiginleikar efnanna sem vantaði væru. <a href="/w/index.php?title=Lotul%C3%B6gm%C3%A1li%C3%B0&action=edit&redlink=1" class="new" title="Lotulögmálið (síða er ekki enn til)">Lotulögmálið</a> var viðurkennt sem eitt af grundvallarlögmálum efnisheimsins seint á 19. öld og á 20. öld urðu uppgötvanir í <a href="/wiki/Kjarne%C3%B0lisfr%C3%A6%C3%B0i" title="Kjarneðlisfræði">kjarneðlisfræði</a> og <a href="/wiki/Skammtafr%C3%A6%C3%B0i" title="Skammtafræði">skammtafræði</a> til þess að skýra hana út frá samsetningu <a href="/wiki/At%C3%B3m" class="mw-redirect" title="Atóm">atóma</a>. Þegar <a href="/w/index.php?title=Glenn_T._Seaborg&action=edit&redlink=1" class="new" title="Glenn T. Seaborg (síða er ekki enn til)">Glenn T. Seaborg</a> uppgötvaði árið 1945 að <a href="/wiki/Akt%C3%ADn%C3%AD%C3%B0" class="mw-redirect" title="Aktíníð">aktíníð</a> tilheyrðu <a href="/wiki/F-blokk" title="F-blokk">f-blokk</a> fremur en <a href="/wiki/D-blokk" title="D-blokk">d-blokk</a> varð til sú framsetning lotukerfisins sem algengust er í dag. Lotukerfið er ómissandi hluti af <a href="/wiki/Efnafr%C3%A6%C3%B0i" title="Efnafræði">nútímaefnafræði</a>. </p><p>Taflan sýnir ýmis grundvallareinkenni efnanna. Til eru fleiri kerfi, sem sýna eiginleika frumefnanna, annaðhvort í meiri smáatriðum eða frá öðru sjónarhorni. Lotukerfið hefur haldið áfram að þróast með nýjum uppgötvunum. Í náttúrunni finnast engin frumefni með sætistölu yfir 94, en efni með hærri sætistölu hafa verið búin til í tilraunastofum. Í dag eru fyrstu 118 frumefnin þekkt, sem mynda sjö fyrstu raðir töflunnar, en eftir er að staðfesta að eiginleikar þyngstu efnanna samræmist þeirra stað í kerfinu. Ekki er vitað hvort taflan muni halda áfram að stækka umfram þessar sjö raðir. Annars konar framsetningar lotukerfisins hafa verið búnar til og deilt er um hver sé hentugasta framsetningin. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Yfirlit">Yfirlit</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lotukerfi%C3%B0&veaction=edit&section=1" title="Breyti hluta: Yfirlit" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lotukerfi%C3%B0&action=edit&section=1" title="Edit section's source code: Yfirlit"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/Mynd:Atomic-orbital-clouds_spdf_m0.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Atomic-orbital-clouds_spdf_m0.png/330px-Atomic-orbital-clouds_spdf_m0.png" decoding="async" width="330" height="330" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Atomic-orbital-clouds_spdf_m0.png/495px-Atomic-orbital-clouds_spdf_m0.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c4/Atomic-orbital-clouds_spdf_m0.png/660px-Atomic-orbital-clouds_spdf_m0.png 2x" data-file-width="1600" data-file-height="1600" /></a><figcaption>Þrívíddarlíkön af rafeindahvelum <a href="/w/index.php?title=Vetnisl%C3%ADk_frumeind&action=edit&redlink=1" class="new" title="Vetnislík frumeind (síða er ekki enn til)">vetnislíkra frumeinda</a> sem sýna líkindaþéttleika og fasa (g-svigrúm og hærri ekki sýnd).</figcaption></figure> <p><a href="/wiki/Frumeind" title="Frumeind">Frumeindir</a> eru minnstu einingar alls venjulegs efnis. Frumeindir eru mjög smáar, um einn tíu milljarðasti af metra í þvermál, svo innri bygging þeirra stýrist af <a href="/wiki/Skammtafr%C3%A6%C3%B0i" title="Skammtafræði">skammtaaflfræði</a>.<sup id="cite_ref-FIII2_1-0" class="reference"><a href="#cite_note-FIII2-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Frumeindir eru gerðar úr litlum jákvætt hlöðnum <a href="/wiki/Frumeindakjarni" title="Frumeindakjarni">kjarna</a>, úr jákvætt hlöðnum <a href="/wiki/R%C3%B3teind" title="Róteind">róteindum</a> og hlutlausum <a href="/wiki/Nifteind" title="Nifteind">nifteindum</a>, sem er umkringdur skýi af neikvætt hlöðnum <a href="/wiki/Rafeind" title="Rafeind">rafeindum</a>. Hleðslurnar jafna hver aðra út svo frumeindin er óhlaðin.<sup id="cite_ref-FI2_2-0" class="reference"><a href="#cite_note-FI2-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Rafeindirnar taka þátt í <a href="/wiki/Efnahvarf" title="Efnahvarf">efnahvörfum</a> en ekki kjarninn.<sup id="cite_ref-FI2_2-1" class="reference"><a href="#cite_note-FI2-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Þegar frumeindir taka þátt í efnahvörfum geta þær misst eða grætt rafeindir og myndað jákvætt eða neikvætt hlaðnar <a href="/wiki/J%C3%B3n_(efnafr%C3%A6%C3%B0i)" title="Jón (efnafræði)">jónir</a>. Þær geta líka deilt rafeindum milli sín.<sup id="cite_ref-cartoon_3-0" class="reference"><a href="#cite_note-cartoon-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>Frumeindir eru flokkaðar eftir fjölda róteinda (og þannig líka rafeinda) sem þær hafa.<sup id="cite_ref-FI2_2-2" class="reference"><a href="#cite_note-FI2-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Þessi fjöldi ræður <a href="/wiki/S%C3%A6tistala" title="Sætistala">sætistölu</a> frumeindarinnar, sem er oft táknuð með <i>Z</i><sup id="cite_ref-IUPAC-redbook_4-0" class="reference"><a href="#cite_note-IUPAC-redbook-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> (úr þýsku <i>Zahl</i> „tala“). Hver sætistala samsvarar því tegund af frumeind. Þessar tegundir eru kallaðar <a href="/wiki/Frumefni" title="Frumefni">frumefni</a>. Lotukerfið flokkar frumefnin á skipulegan hátt. Frumefnið <a href="/wiki/Vetni" title="Vetni">vetni</a> hefur sætistöluna 1, <a href="/wiki/Hel%C3%ADn" title="Helín">helín</a> hefur sætistöluna 2, <a href="/wiki/Lit%C3%ADn" title="Litín">litín</a> sætistöluna 3, og svo framvegis. Nöfn frumefnanna, eins og þau koma fyrir á latínu, eru stytt í eins eða tveggja stafa <a href="/wiki/Efnat%C3%A1kn" title="Efnatákn">efnatákn</a>. Efnatáknin fyrir vetni, helín og litín eru þannig H, He og Li.<sup id="cite_ref-IUPAC-redbook_4-1" class="reference"><a href="#cite_note-IUPAC-redbook-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Nifteindir hafa engin áhrif á stöðu frumefnanna, en hafa áhrif á þyngd þeirra. Frumeindir með jafnmargar róteindir en mismikinn fjölda nifteinda nefnast <a href="/wiki/Sams%C3%A6ta" title="Samsæta">samsætur</a> (ísótópar) sama frumefnis.<sup id="cite_ref-IUPAC-redbook_4-2" class="reference"><a href="#cite_note-IUPAC-redbook-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Í náttúrunni koma frumefnin fyrir sem blanda ólíkra samsæta. Þar sem fjöldi hverrar samsætu er oftast svipaður hafa frumefni vel skilgreindan <a href="/wiki/At%C3%B3mmassi" title="Atómmassi">atómmassa</a>, sem er meðaltal massa frumeinda þess frumefnis eins og þær koma fyrir í náttúrunni.<sup id="cite_ref-ciaaw_5-0" class="reference"><a href="#cite_note-ciaaw-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup> </p><p>Í dag eru 118 þekkt frumefni og þau fyrstu 94 finnast í náttúrunni. Af þessum 94 frumefnum eru 80 stöðug, þrjú (<a href="/wiki/Bism%C3%BAt" title="Bismút">bismút</a>, <a href="/wiki/%C3%9E%C3%B3r%C3%ADn" title="Þórín">þórín</a> og <a href="/wiki/%C3%9Aran" title="Úran">úran</a>) eru geislavirk og sundrast, en gera það svo hægt að mikið magn þeirra er enn til frá því jörðin myndaðist. Hin 11 efnin eru líka geislavirk og sundrast svo hratt að eina ástæðan fyrir því að þau finnast í náttúrunni er að þau halda áfram að myndast við sundrun þóríns og úrans. Öftustu 24 frumefnin í lotukerfinu eru svo geislavirk óstöðug efni sem hafa verið búin til á rannsóknarstofum.<sup id="cite_ref-IUPAC-redbook_4-3" class="reference"><a href="#cite_note-IUPAC-redbook-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p><p>Lotukerfið er myndræn framsetning á <a href="/w/index.php?title=Lotul%C3%B6gm%C3%A1li%C3%B0&action=edit&redlink=1" class="new" title="Lotulögmálið (síða er ekki enn til)">lotulögmálinu</a><sup id="cite_ref-Scerri17_6-0" class="reference"><a href="#cite_note-Scerri17-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup> sem kveður á um að eiginleikar og innri gerð frumefnanna eru <a href="/w/index.php?title=Lotufall&action=edit&redlink=1" class="new" title="Lotufall (síða er ekki enn til)">lotufall</a> sætistölu þeirra.<sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> Frumefnunum er raðað í lotukerfið eftir <a href="/wiki/Rafeindah%C3%BDsing" title="Rafeindahýsing">rafeindahýsingu</a> þeirra,<sup id="cite_ref-Jensen2009_8-0" class="reference"><a href="#cite_note-Jensen2009-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> sem myndar reglulegt mynstur sem skýrir lotubundna eiginleika frumefnanna í lotukerfinu.<sup id="cite_ref-FIII19_9-0" class="reference"><a href="#cite_note-FIII19-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Lotur_og_flokkar">Lotur og flokkar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lotukerfi%C3%B0&veaction=edit&section=2" title="Breyti hluta: Lotur og flokkar" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lotukerfi%C3%B0&action=edit&section=2" title="Edit section's source code: Lotur og flokkar"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Hver lárétt lína í töflunni nefnist <a href="/wiki/Lota" class="mw-redirect" title="Lota">lota</a> og er taflan nefnd í samræmi við það. Hver dálkur töflunnar nefnist <a href="/wiki/Efnaflokkur" title="Efnaflokkur">efnaflokkur</a> eða bara flokkur. Í stöðluðu lotukerfi, eins og því sem sjá má hér á eftir, eru 18 flokkar. Öll efni sem eru saman í flokki hafa svipaða efnaeiginleika, sem byggist á því að <a href="/wiki/Gildisrafeind" title="Gildisrafeind">gildisrafeindir</a> þeirra eru jafnmargar. </p> <div class="mw-heading mw-heading3"><h3 id="Flokkakerfi">Flokkakerfi</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lotukerfi%C3%B0&veaction=edit&section=3" title="Breyti hluta: Flokkakerfi" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lotukerfi%C3%B0&action=edit&section=3" title="Edit section's source code: Flokkakerfi"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Til eru um þrjú mismunandi flokkakerfi. Eitt þeirra notast við arabíska tölustafi og það er kerfið sem hér er notað og er einnig alþjóðlegur staðall; annað notar eingöngu <a href="/wiki/R%C3%B3mverskir_t%C3%B6lustafir" title="Rómverskir tölustafir">rómverska tölustafi</a> ( I, II, III, IV, …) og hið þriðja notar blöndu af rómverskum tölustöfum og <a href="/wiki/Lat%C3%ADna" title="Latína">latneskum</a> bókstöfum (I, II, IIIb, IVb, …) </p> <div class="mw-heading mw-heading2"><h2 id="Staðlaða_lotukerfið"><span id="Sta.C3.B0la.C3.B0a_lotukerfi.C3.B0"></span>Staðlaða lotukerfið</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lotukerfi%C3%B0&veaction=edit&section=4" title="Breyti hluta: Staðlaða lotukerfið" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lotukerfi%C3%B0&action=edit&section=4" title="Edit section's source code: Staðlaða lotukerfið"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <table style="width: 100%" align="center"> <tbody><tr> <td style="text-align:center;width:10%;"><a href="/wiki/Flokkur_(lotukerfi%C3%B0)" title="Flokkur (lotukerfið)"><b>Flokkur</b></a> →<br /><a href="/wiki/Lota_(lotukerfi%C3%B0)" title="Lota (lotukerfið)"><b>Lota</b></a> ↓ </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_1" class="mw-redirect" title="Frumefni í flokki 1"><b>1</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_2" class="mw-redirect" title="Frumefni í flokki 2"><b>2</b></a> </td> <td style="text-align:center;width:5%;"><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_3&action=edit&redlink=1" class="new" title="Frumefni í flokki 3 (síða er ekki enn til)"><b>3</b></a> </td> <td style="text-align:center;width:5%;"><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_4&action=edit&redlink=1" class="new" title="Frumefni í flokki 4 (síða er ekki enn til)"><b>4</b></a> </td> <td style="text-align:center;width:5%;"><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_5&action=edit&redlink=1" class="new" title="Frumefni í flokki 5 (síða er ekki enn til)"><b>5</b></a> </td> <td style="text-align:center;width:5%;"><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_6&action=edit&redlink=1" class="new" title="Frumefni í flokki 6 (síða er ekki enn til)"><b>6</b></a> </td> <td style="text-align:center;width:5%;"><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_7&action=edit&redlink=1" class="new" title="Frumefni í flokki 7 (síða er ekki enn til)"><b>7</b></a> </td> <td style="text-align:center;width:5%;"><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_8&action=edit&redlink=1" class="new" title="Frumefni í flokki 8 (síða er ekki enn til)"><b>8</b></a> </td> <td style="text-align:center;width:5%;"><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_9&action=edit&redlink=1" class="new" title="Frumefni í flokki 9 (síða er ekki enn til)"><b>9</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_10" title="Frumefni í flokki 10"><b>10</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_11" title="Frumefni í flokki 11"><b>11</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_12" title="Frumefni í flokki 12"><b>12</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_13" class="mw-redirect" title="Frumefni í flokki 13"><b>13</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_14" class="mw-redirect" title="Frumefni í flokki 14"><b>14</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_15" class="mw-redirect" title="Frumefni í flokki 15"><b>15</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_16" class="mw-redirect" title="Frumefni í flokki 16"><b>16</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_17" class="mw-redirect" title="Frumefni í flokki 17"><b>17</b></a> </td> <td style="text-align:center;width:5%;"><a href="/wiki/Frumefni_%C3%AD_flokki_18" class="mw-redirect" title="Frumefni í flokki 18"><b>18</b></a> </td></tr> <tr> <td style="text-align:center;"><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_1&action=edit&redlink=1" class="new" title="Frumefni í lotu 1 (síða er ekki enn til)"><b>1</b></a> </td> <td style="text-align:center;background-color:#a0ffa0;color:red;border:1px solid black;">1<br /><a href="/wiki/Vetni" title="Vetni">H</a> </td> <td colspan="16"><br /> </td> <td style="text-align:center;background-color:#c0ffff;color:red;border:1px solid black;">2<br /><a href="/wiki/Hel%C3%ADn" title="Helín">He</a> </td></tr> <tr> <td style="text-align:center;"><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_2&action=edit&redlink=1" class="new" title="Frumefni í lotu 2 (síða er ekki enn til)"><b>2</b></a> </td> <td style="text-align:center;background-color:#ff6666;color:black;border:1px solid black;">3<br /><a href="/wiki/Lit%C3%ADn" title="Litín">Li</a> </td> <td style="text-align:center;background-color:#ffdead;color:black;border:1px solid black;">4<br /><a href="/wiki/Beryll%C3%ADn" title="Beryllín">Be</a> </td> <td colspan="10"><br /> </td> <td style="text-align:center;background-color:#cccc99;color:black;border:1px solid black;">5<br /><a href="/wiki/B%C3%B3r" title="Bór">B</a> </td> <td style="text-align:center;background-color:#a0ffa0;color:black;border:1px solid black;">6<br /><a href="/wiki/Kolefni" title="Kolefni">C</a> </td> <td style="text-align:center;background-color:#a0ffa0;color:red;border:1px solid black;">7<br /><a href="/wiki/Nitur" class="mw-redirect" title="Nitur">N</a> </td> <td style="text-align:center;background-color:#a0ffa0;color:red;border:1px solid black;">8<br /><a href="/wiki/S%C3%BArefni" title="Súrefni">O</a> </td> <td style="text-align:center;background-color:#ffff99;color:red;border:1px solid black;">9<br /><a href="/wiki/Fl%C3%BAor" title="Flúor">F</a> </td> <td style="text-align:center;background-color:#c0ffff;color:red;border:1px solid black;">10<br /><a href="/wiki/Neon" title="Neon">Ne</a> </td></tr> <tr> <td style="text-align:center;"><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_3&action=edit&redlink=1" class="new" title="Frumefni í lotu 3 (síða er ekki enn til)"><b>3</b></a> </td> <td style="text-align:center;background-color:#ff6666;color:black;border:1px solid black;">11<br /><a href="/wiki/Natr%C3%ADn" title="Natrín">Na</a> </td> <td style="text-align:center;background-color:#ffdead;color:black;border:1px solid black;">12<br /><a href="/wiki/Magnes%C3%ADn" title="Magnesín">Mg</a> </td> <td colspan="10"><br /> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px solid black;">13<br /><a href="/wiki/%C3%81l" title="Ál">Al</a> </td> <td style="text-align:center;background-color:#cccc99;color:black;border:1px solid black;">14<br /><a href="/wiki/K%C3%ADsill" title="Kísill">Si</a> </td> <td style="text-align:center;background-color:#a0ffa0;color:black;border:1px solid black;">15<br /><a href="/wiki/Fosf%C3%B3r" title="Fosfór">P</a> </td> <td style="text-align:center;background-color:#a0ffa0;color:black;border:1px solid black;">16<br /><a href="/wiki/Brennisteinn" title="Brennisteinn">S</a> </td> <td style="text-align:center;background-color:#ffff99;color:red;border:1px solid black;">17<br /><a href="/wiki/Kl%C3%B3r" title="Klór">Cl</a> </td> <td style="text-align:center;background-color:#c0ffff;color:red;border:1px solid black;">18<br /><a href="/wiki/Argon" title="Argon">Ar</a> </td></tr> <tr> <td style="text-align:center;"><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_4&action=edit&redlink=1" class="new" title="Frumefni í lotu 4 (síða er ekki enn til)"><b>4</b></a> </td> <td style="text-align:center;background-color:#ff6666;color:black;border:1px solid black;">19<br /><a href="/wiki/Kal%C3%ADn" title="Kalín">K</a> </td> <td style="text-align:center;background-color:#ffdead;color:black;border:1px solid black;">20<br /><a href="/wiki/Kals%C3%ADn" title="Kalsín">Ca</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">21<br /><a href="/wiki/Skand%C3%ADn" title="Skandín">Sc</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">22<br /><a href="/wiki/T%C3%ADtan" title="Títan">Ti</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">23<br /><a href="/wiki/Vanad%C3%ADn" title="Vanadín">V</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">24<br /><a href="/wiki/Kr%C3%B3m" title="Króm">Cr</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">25<br /><a href="/wiki/Mangan" title="Mangan">Mn</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">26<br /><a href="/wiki/J%C3%A1rn" title="Járn">Fe</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">27<br /><a href="/wiki/K%C3%B3bolt" title="Kóbolt">Co</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">28<br /><a href="/wiki/Nikkel" title="Nikkel">Ni</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">29<br /><a href="/wiki/Kopar" title="Kopar">Cu</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">30<br /><a href="/wiki/Sink" title="Sink">Zn</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px solid black;">31<br /><a href="/wiki/Gall%C3%ADn" title="Gallín">Ga</a> </td> <td style="text-align:center;background-color:#cccc99;color:black;border:1px solid black;">32<br /><a href="/wiki/German" title="German">Ge</a> </td> <td style="text-align:center;background-color:#cccc99;color:black;border:1px solid black;">33<br /><a href="/wiki/Arsen" title="Arsen">As</a> </td> <td style="text-align:center;background-color:#a0ffa0;color:black;border:1px solid black;">34<br /><a href="/wiki/Selen" title="Selen">Se</a> </td> <td style="text-align:center;background-color:#ffff99;color:green;border:1px solid black;">35<br /><a href="/wiki/Br%C3%B3m" title="Bróm">Br</a> </td> <td style="text-align:center;background-color:#c0ffff;color:red;border:1px solid black;">36<br /><a href="/wiki/Krypton" title="Krypton">Kr</a> </td></tr> <tr> <td style="text-align:center;"><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_5&action=edit&redlink=1" class="new" title="Frumefni í lotu 5 (síða er ekki enn til)"><b>5</b></a> </td> <td style="text-align:center;background-color:#ff6666;color:black;border:1px solid black;">37<br /><a href="/wiki/R%C3%BAbid%C3%ADn" title="Rúbidín">Rb</a> </td> <td style="text-align:center;background-color:#ffdead;color:black;border:1px solid black;">38<br /><a href="/wiki/Stront%C3%ADn" title="Strontín">Sr</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">39<br /><a href="/wiki/Yttr%C3%ADn" title="Yttrín">Y</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">40<br /><a href="/wiki/Sirkon" title="Sirkon">Zr</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">41<br /><a href="/wiki/N%C3%AD%C3%B3b%C3%ADn" title="Níóbín">Nb</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">42<br /><a href="/wiki/M%C3%B3l%C3%BDbden" title="Mólýbden">Mo</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dashed black;">43<br /><a href="/wiki/Teknet%C3%ADn" title="Teknetín">Tc</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">44<br /><a href="/wiki/R%C3%BA%C3%BEen" class="mw-redirect" title="Rúþen">Ru</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">45<br /><a href="/wiki/R%C3%B3d%C3%ADn" title="Ródín">Rh</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">46<br /><a href="/wiki/Pallad%C3%ADn" title="Palladín">Pd</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">47<br /><a href="/wiki/Silfur" title="Silfur">Ag</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">48<br /><a href="/wiki/Kadm%C3%ADn" title="Kadmín">Cd</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px solid black;">49<br /><a href="/wiki/Ind%C3%ADn" title="Indín">In</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px solid black;">50<br /><a href="/wiki/Tin" title="Tin">Sn</a> </td> <td style="text-align:center;background-color:#cccc99;color:black;border:1px solid black;">51<br /><a href="/wiki/Antimon" class="mw-redirect" title="Antimon">Sb</a> </td> <td style="text-align:center;background-color:#cccc99;color:black;border:1px solid black;">52<br /><a href="/wiki/Tell%C3%BAr" title="Tellúr">Te</a> </td> <td style="text-align:center;background-color:#ffff99;color:black;border:1px solid black;">53<br /><a href="/wiki/Jo%C3%B0" title="Joð">I</a> </td> <td style="text-align:center;background-color:#c0ffff;color:red;border:1px solid black;">54<br /><a href="/wiki/Xenon" title="Xenon">Xe</a> </td></tr> <tr> <td style="text-align:center;"><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_6&action=edit&redlink=1" class="new" title="Frumefni í lotu 6 (síða er ekki enn til)"><b>6</b></a> </td> <td style="text-align:center;background-color:#ff6666;color:black;border:1px solid black;">55<br /><a href="/wiki/Ses%C3%ADn" title="Sesín">Cs</a> </td> <td style="text-align:center;background-color:#ffdead;color:black;border:1px solid black;">56<br /><a href="/wiki/Bar%C3%ADn" title="Barín">Ba</a> </td> <td style="vertical-align: top; text-align:center;background-color:#ffbfff;"><small>57–71</small><br />* </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">72<br /><a href="/wiki/Hafn%C3%ADn" title="Hafnín">Hf</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">73<br /><a href="/wiki/Tantal" title="Tantal">Ta</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">74<br /><a href="/wiki/Volfram" title="Volfram">W</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">75<br /><a href="/wiki/Ren%C3%ADn" title="Renín">Re</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">76<br /><a href="/wiki/Osm%C3%ADn" title="Osmín">Os</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">77<br /><a href="/wiki/Irid%C3%ADn" title="Iridín">Ir</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">78<br /><a href="/wiki/Plat%C3%ADna" title="Platína">Pt</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px solid black;">79<br /><a href="/wiki/Gull" title="Gull">Au</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:green;border:1px solid black;">80<br /><a href="/wiki/Kvikasilfur" title="Kvikasilfur">Hg</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px solid black;">81<br /><a href="/wiki/%C3%9Eall%C3%ADn" title="Þallín">Tl</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px solid black;">82<br /><a href="/wiki/Bl%C3%BD" title="Blý">Pb</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px solid black;">83<br /><a href="/wiki/Bism%C3%BAt" title="Bismút">Bi</a> </td> <td style="text-align:center;background-color:#cccc99;color:black;border:1px dashed black;">84<br /><a href="/wiki/P%C3%B3lon" title="Pólon">Po</a> </td> <td style="text-align:center;background-color:#ffff99;color:black;border:1px dashed black;">85<br /><a href="/wiki/Astat" title="Astat">At</a> </td> <td style="text-align:center;background-color:#c0ffff;color:red;border:1px dashed black;">86<br /><a href="/wiki/Radon" title="Radon">Rn</a> </td></tr> <tr> <td style="text-align:center;"><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_7&action=edit&redlink=1" class="new" title="Frumefni í lotu 7 (síða er ekki enn til)"><b>7</b></a> </td> <td style="text-align:center;background-color:#ff6666;color:black;border:1px dashed black;">87<br /><a href="/wiki/Frans%C3%ADn" title="Fransín">Fr</a> </td> <td style="text-align:center;background-color:#ffdead;color:black;border:1px dashed black;">88<br /><a href="/wiki/Rad%C3%ADn" title="Radín">Ra</a> </td> <td style="vertical-align: top; text-align:center;background-color:#ff99cc;"><small>89-103</small><br />** </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">104<br /><a href="/wiki/Rutherford%C3%ADn" title="Rutherfordín">Rf</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">105<br /><a href="/w/index.php?title=Dubn%C3%ADn&action=edit&redlink=1" class="new" title="Dubnín (síða er ekki enn til)">Db</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">106<br /><a href="/wiki/Seborg%C3%ADn" title="Seborgín">Sg</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">107<br /><a href="/w/index.php?title=B%C3%B3r%C3%ADn&action=edit&redlink=1" class="new" title="Bórín (síða er ekki enn til)">Bh</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">108<br /><a href="/w/index.php?title=Hass%C3%ADn&action=edit&redlink=1" class="new" title="Hassín (síða er ekki enn til)">Hs</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">109<br /><a href="/w/index.php?title=Meitner%C3%ADn&action=edit&redlink=1" class="new" title="Meitnerín (síða er ekki enn til)">Mt</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">110<br /><a href="/w/index.php?title=Darmstat%C3%ADn&action=edit&redlink=1" class="new" title="Darmstatín (síða er ekki enn til)">Ds</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:black;border:1px dotted black;">111<br /><a href="/wiki/R%C3%B6ntgen%C3%ADn" title="Röntgenín">Rg</a> </td> <td style="text-align:center;background-color:#ffc0c0;color:green;border:1px dotted black;">112<br /><a href="/w/index.php?title=K%C3%B3pernik%C3%ADn&action=edit&redlink=1" class="new" title="Kópernikín (síða er ekki enn til)">Cn</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px dotted black;">113<br /><a href="/w/index.php?title=N%C3%ADhon%C3%ADn&action=edit&redlink=1" class="new" title="Níhonín (síða er ekki enn til)">Nh</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px dotted black;">114<br /><a href="/wiki/Fler%C3%B3v%C3%ADn" title="Fleróvín">Fl</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px dotted black;">115<br /><a href="/wiki/Mosk%C3%B3v%C3%ADn" title="Moskóvín">Mc</a> </td> <td style="text-align:center;background-color:#cccccc;color:black;border:1px dotted black;">116<br /><a href="/w/index.php?title=Livermor%C3%ADn&action=edit&redlink=1" class="new" title="Livermorín (síða er ekki enn til)">Lv</a> </td> <td style="text-align:center;background-color:#ffff99;color:black;border:1px dotted black;">117<br /><a href="/w/index.php?title=Tenness%C3%ADn&action=edit&redlink=1" class="new" title="Tennessín (síða er ekki enn til)">Ts</a> </td> <td style="text-align:center;background-color:#c0ffff;color:black;border:1px dotted black;">118<br /><a href="/w/index.php?title=Oganesson&action=edit&redlink=1" class="new" title="Oganesson (síða er ekki enn til)">Og</a> </td></tr> <tr> <td colspan="21"><br /> </td></tr> <tr> <td colspan="3" style="text-align:right">* <b><a href="/wiki/Lantan%C3%AD%C3%B0" title="Lantaníð">Lantaníð</a></b> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">57<br /><a href="/wiki/Lantan" title="Lantan">La</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">58<br /><a href="/wiki/Ser%C3%ADn_(frumefni)" title="Serín (frumefni)">Ce</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">59<br /><a href="/wiki/Prase%C3%B3d%C3%BDm" title="Praseódým">Pr</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">60<br /><a href="/wiki/Ne%C3%B3d%C3%BDm" title="Neódým">Nd</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px dashed black;">61<br /><a href="/wiki/Pr%C3%B3met%C3%ADn" title="Prómetín">Pm</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">62<br /><a href="/w/index.php?title=Samar%C3%ADn&action=edit&redlink=1" class="new" title="Samarín (síða er ekki enn til)">Sm</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">63<br /><a href="/w/index.php?title=Evr%C3%B3p%C3%ADn&action=edit&redlink=1" class="new" title="Evrópín (síða er ekki enn til)">Eu</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">64<br /><a href="/w/index.php?title=Gad%C3%B3l%C3%ADn&action=edit&redlink=1" class="new" title="Gadólín (síða er ekki enn til)">Gd</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">65<br /><a href="/w/index.php?title=Terb%C3%ADn&action=edit&redlink=1" class="new" title="Terbín (síða er ekki enn til)">Tb</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">66<br /><a href="/w/index.php?title=Dyspr%C3%B3s%C3%ADn&action=edit&redlink=1" class="new" title="Dysprósín (síða er ekki enn til)">Dy</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">67<br /><a href="/w/index.php?title=H%C3%B3lm%C3%ADn&action=edit&redlink=1" class="new" title="Hólmín (síða er ekki enn til)">Ho</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">68<br /><a href="/w/index.php?title=Erb%C3%ADn&action=edit&redlink=1" class="new" title="Erbín (síða er ekki enn til)">Er</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">69<br /><a href="/wiki/T%C3%BAl%C3%ADn" title="Túlín">Tm</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">70<br /><a href="/wiki/Ytterb%C3%ADn" title="Ytterbín">Yb</a> </td> <td style="text-align:center;background-color:#ffbfff;color:black;border:1px solid black;">71<br /><a href="/wiki/L%C3%BAtet%C3%ADn" title="Lútetín">Lu</a> </td></tr> <tr> <td colspan="3" style="text-align:right">** <b><a href="/wiki/Aktin%C3%AD%C3%B0" title="Aktiníð">Aktiníð</a></b> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dashed black;">89<br /><a href="/w/index.php?title=Akt%C3%ADn&action=edit&redlink=1" class="new" title="Aktín (síða er ekki enn til)">Ac</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px solid black;">90<br /><a href="/wiki/%C3%9E%C3%B3r%C3%ADn" title="Þórín">Th</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dashed black;">91<br /><a href="/w/index.php?title=Pr%C3%B3takt%C3%ADn&action=edit&redlink=1" class="new" title="Prótaktín (síða er ekki enn til)">Pa</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px solid black;">92<br /><a href="/wiki/%C3%9Aran" title="Úran">U</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dashed black;">93<br /><a href="/wiki/Nept%C3%BAn%C3%ADn" title="Neptúnín">Np</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px solid black;">94<br /><a href="/wiki/Pl%C3%BAt%C3%B3n%C3%ADum" title="Plútóníum">Pu</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">95<br /><a href="/wiki/Amer%C3%ADk%C3%ADn" title="Ameríkín">Am</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">96<br /><a href="/w/index.php?title=K%C3%BAr%C3%ADn&action=edit&redlink=1" class="new" title="Kúrín (síða er ekki enn til)">Cm</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">97<br /><a href="/w/index.php?title=Berkel%C3%ADn&action=edit&redlink=1" class="new" title="Berkelín (síða er ekki enn til)">Bk</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dashed black;">98<br /><a href="/w/index.php?title=Kaliforn%C3%ADn&action=edit&redlink=1" class="new" title="Kalifornín (síða er ekki enn til)">Cf</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">99<br /><a href="/w/index.php?title=Einstein%C3%ADn&action=edit&redlink=1" class="new" title="Einsteinín (síða er ekki enn til)">Es</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">100<br /><a href="/w/index.php?title=Ferm%C3%ADn&action=edit&redlink=1" class="new" title="Fermín (síða er ekki enn til)">Fm</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">101<br /><a href="/wiki/Mendelev%C3%ADn" title="Mendelevín">Md</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">102<br /><a href="/w/index.php?title=N%C3%B3bel%C3%ADn&action=edit&redlink=1" class="new" title="Nóbelín (síða er ekki enn til)">No</a> </td> <td style="text-align:center;background-color:#ff99cc;color:black;border:1px dotted black;">103<br /><a href="/w/index.php?title=L%C3%A1rens%C3%ADn&action=edit&redlink=1" class="new" title="Lárensín (síða er ekki enn til)">Lr</a> </td></tr></tbody></table> <table align="center"> <caption><a href="/wiki/Efnaflokkar_%C3%AD_lotukerfinu" class="mw-redirect" title="Efnaflokkar í lotukerfinu">Efnaflokkar í lotukerfinu</a> </caption> <tbody><tr> <td bgcolor="#ff6666"><a href="/wiki/Alkal%C3%ADm%C3%A1lmur" title="Alkalímálmur">Alkalímálmar</a> </td> <td bgcolor="#ffdead"><a href="/wiki/Jar%C3%B0alkal%C3%ADm%C3%A1lmur" title="Jarðalkalímálmur">Jarðalkalímálmar</a> </td> <td bgcolor="#ffbfff"><a href="/wiki/Lantan%C3%AD%C3%B0" title="Lantaníð">Lantaníð</a> </td> <td bgcolor="#ff99cc"><a href="/wiki/Aktin%C3%AD%C3%B0" title="Aktiníð">Aktiníð</a> </td> <td bgcolor="#ffc0c0"><a href="/wiki/Hli%C3%B0arm%C3%A1lmur" title="Hliðarmálmur">Hliðarmálmar</a> </td></tr> <tr> <td bgcolor="#cccccc"><a href="/wiki/Tregur_m%C3%A1lmur" title="Tregur málmur">Tregir málmar</a> </td> <td bgcolor="#cccc99"><a href="/wiki/M%C3%A1lmungur" title="Málmungur">Málmungar</a> </td> <td bgcolor="#a0ffa0"><a href="/wiki/M%C3%A1lmleysingi" title="Málmleysingi">Málmleysingjar</a> </td> <td bgcolor="#ffff99"><a href="/wiki/Hal%C3%B3gen" title="Halógen">Halógenar</a> </td> <td bgcolor="#c0ffff"><a href="/wiki/E%C3%B0algastegund" class="mw-redirect" title="Eðalgastegund">Eðalgastegundir</a> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Efnisástand_frumefna_við_staðalaðstæður"><span id="Efnis.C3.A1stand_frumefna_vi.C3.B0_sta.C3.B0ala.C3.B0st.C3.A6.C3.B0ur"></span>Efnisástand frumefna við <a href="/wiki/Sta%C3%B0ala%C3%B0st%C3%A6%C3%B0ur" title="Staðalaðstæður">staðalaðstæður</a></h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lotukerfi%C3%B0&veaction=edit&section=5" title="Breyti hluta: Efnisástand frumefna við staðalaðstæður" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lotukerfi%C3%B0&action=edit&section=5" title="Edit section's source code: Efnisástand frumefna við staðalaðstæður"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>þau sem eru í <span style="color:red;">rauðum lit</span> eru í gasformi.</li> <li>þau sem eru í <span style="color:#00aa00;">grænum lit</span> eru í vökvaformi.</li> <li>þau sem eru í <span style="color:black;">svörtum lit</span> eru í föstu formi.</li></ul> <div class="mw-heading mw-heading3"><h3 id="Náttúrulegt_ástand_frumefna"><span id="N.C3.A1tt.C3.BArulegt_.C3.A1stand_frumefna"></span>Náttúrulegt ástand frumefna</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lotukerfi%C3%B0&veaction=edit&section=6" title="Breyti hluta: Náttúrulegt ástand frumefna" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lotukerfi%C3%B0&action=edit&section=6" title="Edit section's source code: Náttúrulegt ástand frumefna"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><div style="background-color:#efefef;border:solid 1px black;padding:1px;">Þessi frumefni hafa <a href="/wiki/Sams%C3%A6ta" title="Samsæta">samsætur</a> sem eru eldri en <a href="/wiki/J%C3%B6r%C3%B0in" title="Jörðin">jörðin</a> (forsöguleg frumefni).</div></li> <li><div style="background-color:#efefef;border:dashed 1px black;padding:1px;">Þessi frumefni verða til af náttúrulegum orsökum við hrörnun annarra efna.</div></li> <li><div style="background-color:#efefef;border:dotted 1px black;padding:1px;">Þessi frumefni hafa verið framleidd á tilraunastofum, en ekki fundist í náttúrunni.</div></li></ul> <div class="mw-heading mw-heading2"><h2 id="Tilvísanir"><span id="Tilv.C3.ADsanir"></span>Tilvísanir</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Lotukerfi%C3%B0&veaction=edit&section=7" title="Breyti hluta: Tilvísanir" class="mw-editsection-visualeditor"><span>breyta</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Lotukerfi%C3%B0&action=edit&section=7" title="Edit section's source code: Tilvísanir"><span>breyta frumkóða</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1744314">.mw-parser-output .reflist{font-size:90%;margin-bottom:0.5em;list-style-type:decimal}.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-FIII2-1"><span class="mw-cite-backlink"><a href="#cite_ref-FIII2_1-0">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1870430">.mw-parser-output .citation a.new{color:black}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .citation a.new{color:white}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .citation a.new{color:white}}.mw-parser-output .citation{word-wrap:break-word}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}</style><style data-mw-deduplicate="TemplateStyles:r1873994">.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 a,.mw-parser-output .citation .cs1-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 a,.mw-parser-output .id-lock-registration a,.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-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 a,.mw-parser-output .citation .cs1-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}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:#d33}.mw-parser-output .cs1-visible-error{color:#d33}.mw-parser-output .cs1-maint{display:none;color:#2C882D;margin-left:0.3em}.mw-parser-output .cs1-format{font-size:95%}.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{html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911F}html.skin-theme-clientpref-night .mw-parser-output .cs1-visible-error,html.skin-theme-clientpref-night .mw-parser-output .cs1-hidden-error{color:#f8a397}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-visible-error,html.skin-theme-clientpref-os .mw-parser-output .cs1-hidden-error{color:#f8a397}html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911F}}</style><cite id="CITEREFFeynmanLeightonSands" class="citation book cs1">Feynman, Richard; Leighton, Robert B.; Sands, Matthew (1964). „2. The Relation of Wave and Particle Viewpoints“. <a rel="nofollow" class="external text" href="https://www.feynmanlectures.caltech.edu/III_02.html"><i>The Feynman Lectures on Physics</i></a>. 3. árgangur. Addison–Wesley. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Kerfiss%C3%AD%C3%B0a:B%C3%B3kaheimildir/0-201-02115-3" title="Kerfissíða:Bókaheimildir/0-201-02115-3"><bdi>0-201-02115-3</bdi></a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211019202243/https://www.feynmanlectures.caltech.edu/III_02.html">Afrit</a> af uppruna á 19. október 2021<span class="reference-accessdate">. Sótt 15. ágúst 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=2.+The+Relation+of+Wave+and+Particle+Viewpoints&rft.btitle=The+Feynman+Lectures+on+Physics&rft.pub=Addison%E2%80%93Wesley&rft.isbn=0-201-02115-3&rft.aulast=Feynman&rft.aufirst=Richard&rft.au=Leighton%2C+Robert+B.&rft.au=Sands%2C+Matthew&rft_id=https%3A%2F%2Fwww.feynmanlectures.caltech.edu%2FIII_02.html&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> <li id="cite_note-FI2-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-FI2_2-0">2,0</a></sup> <sup><a href="#cite_ref-FI2_2-1">2,1</a></sup> <sup><a href="#cite_ref-FI2_2-2">2,2</a></sup></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1870430"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1873994"><cite id="CITEREFFeynmanLeightonSands" class="citation book cs1">Feynman, Richard; Leighton, Robert B.; Sands, Matthew (1964). „2. Basic Physics“. <a rel="nofollow" class="external text" href="https://www.feynmanlectures.caltech.edu/I_02.html"><i>The Feynman Lectures on Physics</i></a>. 1. árgangur. Addison–Wesley. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Kerfiss%C3%AD%C3%B0a:B%C3%B3kaheimildir/0-201-02115-3" title="Kerfissíða:Bókaheimildir/0-201-02115-3"><bdi>0-201-02115-3</bdi></a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20210217134956/https://www.feynmanlectures.caltech.edu/I_02.html">Afrit</a> af uppruna á 17. febrúar 2021<span class="reference-accessdate">. Sótt 15. ágúst 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=2.+Basic+Physics&rft.btitle=The+Feynman+Lectures+on+Physics&rft.pub=Addison%E2%80%93Wesley&rft.isbn=0-201-02115-3&rft.aulast=Feynman&rft.aufirst=Richard&rft.au=Leighton%2C+Robert+B.&rft.au=Sands%2C+Matthew&rft_id=https%3A%2F%2Fwww.feynmanlectures.caltech.edu%2FI_02.html&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> <li id="cite_note-cartoon-3"><span class="mw-cite-backlink"><a href="#cite_ref-cartoon_3-0">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1870430"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1873994"><cite id="CITEREFGonickCriddle" class="citation book cs1">Gonick, First; Criddle, Craig (2005). <a rel="nofollow" class="external text" href="https://archive.org/details/cartoonguidetoch00gonirich"><i>The Cartoon Guide to Chemistry</i></a>. Collins. bls. <a rel="nofollow" class="external text" href="https://archive.org/details/cartoonguidetoch00gonirich/page/17">17</a>–65. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Kerfiss%C3%AD%C3%B0a:B%C3%B3kaheimildir/0-06-093677-0" title="Kerfissíða:Bókaheimildir/0-06-093677-0"><bdi>0-06-093677-0</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=The+Cartoon+Guide+to+Chemistry&rft.pages=17-65&rft.pub=Collins&rft.isbn=0-06-093677-0&rft.aulast=Gonick&rft.aufirst=First&rft.au=Criddle%2C+Craig&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Fcartoonguidetoch00gonirich&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> <li id="cite_note-IUPAC-redbook-4"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-IUPAC-redbook_4-0">4,0</a></sup> <sup><a href="#cite_ref-IUPAC-redbook_4-1">4,1</a></sup> <sup><a href="#cite_ref-IUPAC-redbook_4-2">4,2</a></sup> <sup><a href="#cite_ref-IUPAC-redbook_4-3">4,3</a></sup></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1870430"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1873994"><cite id="CITEREFInternational_Union_of_Pure_and_Applied_Chemistry2005" class="citation book cs1">International Union of Pure and Applied Chemistry (2005). <a rel="nofollow" class="external text" href="https://old.iupac.org/publications/books/rbook/Red_Book_2005.pdf"><i>Nomenclature of Inorganic Chemistry</i></a> <span class="cs1-format">(PDF)</span>. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Kerfiss%C3%AD%C3%B0a:B%C3%B3kaheimildir/0-85404-438-8" title="Kerfissíða:Bókaheimildir/0-85404-438-8"><bdi>0-85404-438-8</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Nomenclature+of+Inorganic+Chemistry&rft.isbn=0-85404-438-8&rft.au=International+Union+of+Pure+and+Applied+Chemistry&rft_id=https%3A%2F%2Fold.iupac.org%2Fpublications%2Fbooks%2Frbook%2FRed_Book_2005.pdf&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> <li id="cite_note-ciaaw-5"><span class="mw-cite-backlink"><a href="#cite_ref-ciaaw_5-0">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1870430"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1873994"><cite id="CITEREFCommission_on_Isotopic_Abundances_and_Atomic_Weights" class="citation web cs1">Commission on Isotopic Abundances and Atomic Weights (2019). <a rel="nofollow" class="external text" href="https://www.ciaaw.org/atomic-weights.htm">„Standard Atomic Weights“</a>. <i>www.ciaaw.org</i>. International Union of Pure and Applied Chemistry. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20200808155924/https://www.ciaaw.org/atomic-weights.htm">Afrit</a> af uppruna á 8. ágúst 2020<span class="reference-accessdate">. Sótt 7. febrúar 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.ciaaw.org&rft.atitle=Standard+Atomic+Weights&rft.au=Commission+on+Isotopic+Abundances+and+Atomic+Weights&rft_id=https%3A%2F%2Fwww.ciaaw.org%2Fatomic-weights.htm&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> <li id="cite_note-Scerri17-6"><span class="mw-cite-backlink"><a href="#cite_ref-Scerri17_6-0">↑</a></span> <span class="reference-text"><a href="/w/index.php?title=Eric_Scerri&action=edit&redlink=1" class="new" title="Eric Scerri (síða er ekki enn til)">Eric Scerri</a>. 2020, <i>The Periodic Table, Its Story and Its Significance</i>, 2nd edition, Oxford University Press, New York, <a href="/wiki/Kerfiss%C3%AD%C3%B0a:B%C3%B3kaheimildir/978-0190914363" title="Kerfissíða:Bókaheimildir/978-0190914363">ISBN 978-0190914363</a>. p. 17</span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><a href="#cite_ref-7">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1870430"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1873994"><cite class="citation book cs1">„periodic law“. <a rel="nofollow" class="external text" href="https://www.merriam-webster.com/dictionary/periodic%20law"><i>Merriam-Webster Dictionary</i></a><span class="reference-accessdate">. Sótt 29. mars 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=periodic+law&rft.btitle=Merriam-Webster+Dictionary&rft_id=https%3A%2F%2Fwww.merriam-webster.com%2Fdictionary%2Fperiodic%2520law&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> <li id="cite_note-Jensen2009-8"><span class="mw-cite-backlink"><a href="#cite_ref-Jensen2009_8-0">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1870430"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1873994"><cite id="CITEREFJensen" class="citation journal cs1"><a href="/w/index.php?title=William_B._Jensen&action=edit&redlink=1" class="new" title="William B. Jensen (síða er ekki enn til)">Jensen, William B.</a> (2009). <a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fed086p1186">„Misapplying the Periodic Law“</a>. <i>Journal of Chemical Education</i>. <b>86</b> (10): 1186. <a href="/w/index.php?title=Bibcode_(identifier)&action=edit&redlink=1" class="new" title="Bibcode (identifier) (síða er ekki enn til)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/2009JChEd..86.1186J">2009JChEd..86.1186J</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<span class="cs1-lock-free" title="Frjáls aðgangur"><a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fed086p1186">10.1021/ed086p1186</a></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+Chemical+Education&rft.atitle=Misapplying+the+Periodic+Law&rft.volume=86&rft.issue=10&rft.pages=1186&rft_id=info%3Adoi%2F10.1021%2Fed086p1186&rft_id=info%3Abibcode%2F2009JChEd..86.1186J&rft.aulast=Jensen&rft.aufirst=William+B.&rft_id=https%3A%2F%2Fdoi.org%2F10.1021%252Fed086p1186&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> <li id="cite_note-FIII19-9"><span class="mw-cite-backlink"><a href="#cite_ref-FIII19_9-0">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1870430"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1873994"><cite id="CITEREFFeynmanLeightonSands" class="citation book cs1">Feynman, Richard; Leighton, Robert B.; Sands, Matthew (1964). „19. The Hydrogen Atom and The Periodic Table“. <a rel="nofollow" class="external text" href="https://www.feynmanlectures.caltech.edu/III_19.html"><i>The Feynman Lectures on Physics</i></a>. 3. árgangur. Addison–Wesley. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Kerfiss%C3%AD%C3%B0a:B%C3%B3kaheimildir/0-201-02115-3" title="Kerfissíða:Bókaheimildir/0-201-02115-3"><bdi>0-201-02115-3</bdi></a>. <a rel="nofollow" class="external text" href="https://web.archive.org/web/20211019202245/https://www.feynmanlectures.caltech.edu/III_19.html">Afrit</a> af uppruna á 19. október 2021<span class="reference-accessdate">. Sótt 15. ágúst 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=bookitem&rft.atitle=19.+The+Hydrogen+Atom+and+The+Periodic+Table&rft.btitle=The+Feynman+Lectures+on+Physics&rft.pub=Addison%E2%80%93Wesley&rft.isbn=0-201-02115-3&rft.aulast=Feynman&rft.aufirst=Richard&rft.au=Leighton%2C+Robert+B.&rft.au=Sands%2C+Matthew&rft_id=https%3A%2F%2Fwww.feynmanlectures.caltech.edu%2FIII_19.html&rfr_id=info%3Asid%2Fis.wikipedia.org%3ALotukerfi%C3%B0" class="Z3988"></span></span> </li> </ol></div></div><style data-mw-deduplicate="TemplateStyles:r1744436">.mw-parser-output .hatnote{font-style:italic}.mw-parser-output div.hatnote{padding-left:1.6em;margin-bottom:0.5em}.mw-parser-output .hatnote i{font-style:normal}.mw-parser-output .hatnote+link+.hatnote{margin-top:-0.5em}</style> <div class="mw-heading mw-heading2"><h2 id="Tenglar">Tenglar</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a 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title="Lotukerfið (rafeindaskipan) (síða er ekki enn til)">Rafeindaskipan</a></li> <li><a href="/w/index.php?title=Lotukerfi%C3%B0_(m%C3%A1lmar_og_m%C3%A1lmleysingjar)&action=edit&redlink=1" class="new" title="Lotukerfið (málmar og málmleysingjar) (síða er ekki enn til)">Málmar og málmleysingjar</a></li> <li><a href="/w/index.php?title=Lotukerfi%C3%B0_(rafeindadr%C3%A6gni)&action=edit&redlink=1" class="new" title="Lotukerfið (rafeindadrægni) (síða er ekki enn til)">Rafeindadrægni</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%">Listar yfir frumefni eftir</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Listi_yfir_frumefni_eftir_nafni" title="Listi yfir frumefni eftir nafni">nafni</a></li> <li><a href="/wiki/Listi_yfir_frumefni_eftir_efnat%C3%A1kni" class="mw-redirect" title="Listi yfir frumefni eftir efnatákni">efnatákni</a></li> <li><a href="/wiki/Listi_yfir_frumefni_eftir_s%C3%A6tist%C3%B6lu" title="Listi yfir frumefni eftir sætistölu">sætistölu</a></li> <li><a href="/w/index.php?title=Listi_yfir_frumefni_eftir_su%C3%B0umarki&action=edit&redlink=1" class="new" title="Listi yfir frumefni eftir suðumarki (síða er ekki enn til)">suðumarki</a></li> <li><a href="/w/index.php?title=Listi_yfir_frumefni_eftir_br%C3%A6%C3%B0slumarki&action=edit&redlink=1" class="new" title="Listi yfir frumefni eftir bræðslumarki (síða er ekki enn til)">bræðslumarki</a></li> <li><a href="/w/index.php?title=Listi_yfir_frumefni_eftir_e%C3%B0lismassa&action=edit&redlink=1" class="new" title="Listi yfir frumefni eftir eðlismassa (síða er ekki enn til)">eðlismassa</a></li> <li><a href="/w/index.php?title=Listi_yfir_frumefni_eftir_at%C3%B3mmassa&action=edit&redlink=1" class="new" title="Listi yfir frumefni eftir atómmassa (síða er ekki enn til)">atómmassa</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Flokkur_(lotukerfi%C3%B0)" title="Flokkur (lotukerfið)">Flokkar</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alkal%C3%ADm%C3%A1lmur" title="Alkalímálmur">1</a></li> <li><a href="/wiki/Jar%C3%B0alkal%C3%ADm%C3%A1lmur" title="Jarðalkalímálmur">2</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_3&action=edit&redlink=1" class="new" title="Frumefni í flokki 3 (síða er ekki enn til)">3</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_4&action=edit&redlink=1" class="new" title="Frumefni í flokki 4 (síða er ekki enn til)">4</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_5&action=edit&redlink=1" class="new" title="Frumefni í flokki 5 (síða er ekki enn til)">5</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_6&action=edit&redlink=1" class="new" title="Frumefni í flokki 6 (síða er ekki enn til)">6</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_7&action=edit&redlink=1" class="new" title="Frumefni í flokki 7 (síða er ekki enn til)">7</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_8&action=edit&redlink=1" class="new" title="Frumefni í flokki 8 (síða er ekki enn til)">8</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_flokki_9&action=edit&redlink=1" class="new" title="Frumefni í flokki 9 (síða er ekki enn til)">9</a></li> <li><a href="/wiki/Frumefni_%C3%AD_flokki_10" title="Frumefni í flokki 10">10</a></li> <li><a href="/wiki/Frumefni_%C3%AD_flokki_11" title="Frumefni í flokki 11">11</a></li> <li><a href="/wiki/Frumefni_%C3%AD_flokki_12" title="Frumefni í flokki 12">12</a></li> <li><a href="/wiki/B%C3%B3rflokkur" class="mw-redirect" title="Bórflokkur">13</a></li> <li><a href="/wiki/Kolefnisflokkur" title="Kolefnisflokkur">14</a></li> <li><a href="/wiki/Niturflokkur" title="Niturflokkur">15</a></li> <li><a href="/wiki/Kalk%C3%B3gen" title="Kalkógen">16</a></li> <li><a href="/wiki/Hal%C3%B3gen" title="Halógen">17</a></li> <li><a href="/wiki/E%C3%B0algas" class="mw-redirect" title="Eðalgas">18</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Lota_(lotukerfi%C3%B0)" title="Lota (lotukerfið)">Lotur</a></th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_1&action=edit&redlink=1" class="new" title="Frumefni í lotu 1 (síða er ekki enn til)">1</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_2&action=edit&redlink=1" class="new" title="Frumefni í lotu 2 (síða er ekki enn til)">2</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_3&action=edit&redlink=1" class="new" title="Frumefni í lotu 3 (síða er ekki enn til)">3</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_4&action=edit&redlink=1" class="new" title="Frumefni í lotu 4 (síða er ekki enn til)">4</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_5&action=edit&redlink=1" class="new" title="Frumefni í lotu 5 (síða er ekki enn til)">5</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_6&action=edit&redlink=1" class="new" title="Frumefni í lotu 6 (síða er ekki enn til)">6</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_7&action=edit&redlink=1" class="new" title="Frumefni í lotu 7 (síða er ekki enn til)">7</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_8&action=edit&redlink=1" class="new" title="Frumefni í lotu 8 (síða er ekki enn til)">8</a></li> <li><a href="/w/index.php?title=Frumefni_%C3%AD_lotu_9&action=edit&redlink=1" class="new" title="Frumefni í lotu 9 (síða er ekki enn til)">9</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align:center;;width:1%"><a href="/wiki/Efnaflokkur_(lotukerfi%C3%B0)" class="mw-redirect" title="Efnaflokkur (lotukerfið)">Efnaflokkar</a></th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Alkal%C3%ADm%C3%A1lmur" title="Alkalímálmur">Alkalímálmar</a></li> <li><a href="/wiki/Jar%C3%B0alkal%C3%ADm%C3%A1lmur" title="Jarðalkalímálmur">Jarðalkalímálmar</a></li> <li><a href="/wiki/Lantan%C3%AD%C3%B0" title="Lantaníð">Lantaníð</a></li> <li><a href="/wiki/Aktin%C3%AD%C3%B0" title="Aktiníð">Aktiníð</a></li> <li><a href="/wiki/Hli%C3%B0arm%C3%A1lmur" title="Hliðarmálmur">Hliðarmálmar</a></li> <li><a href="/wiki/Tregur_m%C3%A1lmur" title="Tregur málmur">Tregir málmar</a></li> <li><a href="/wiki/M%C3%A1lmungur" title="Málmungur">Málmungar</a></li> <li><a href="/wiki/M%C3%A1lmleysingi" title="Málmleysingi">Málmleysingjar</a></li> <li><a href="/wiki/Hal%C3%B3gen" title="Halógen">Halógen</a></li> <li><a href="/wiki/E%C3%B0algas" 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