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class="vector-toc-text"> 3 Applications </div> </a> <ul id="toc-Applications-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Precautions" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Precautions"> <div class="vector-toc-text"> 4 Precautions </div> </a> <ul id="toc-Precautions-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> 5 References </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Further_reading" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Further_reading"> <div class="vector-toc-text"> 6 Further reading </div> </a> <ul id="toc-Further_reading-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-External_links" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#External_links"> <div class="vector-toc-text"> 7 External links </div> </a> <ul id="toc-External_links-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" > Toggle the table of contents </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">Krypton</h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 149 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-149" aria-hidden="true" > 149 languages </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Kripton" title="Kripton – Afrikaans" lang="af" hreflang="af" data-title="Kripton" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target">Afrikaans</a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%8A%AD%E1%88%AA%E1%8D%95%E1%89%B0%E1%8A%95" title="ክሪፕተን – Amharic" lang="am" hreflang="am" data-title="ክሪፕተን" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target">አማርኛ</a></li><li class="interlanguage-link interwiki-ar badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://ar.wikipedia.org/wiki/%D9%83%D8%B1%D9%8A%D8%A8%D8%AA%D9%88%D9%86" title="كريبتون – Arabic" lang="ar" hreflang="ar" data-title="كريبتون" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target">العربية</a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Cript%C3%B3n" title="Criptón – Aragonese" lang="an" hreflang="an" data-title="Criptón" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target">Aragonés</a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/Kripton" title="Kripton – Aromanian" lang="rup" hreflang="rup" data-title="Kripton" data-language-autonym="Armãneashti" data-language-local-name="Aromanian" class="interlanguage-link-target">Armãneashti</a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Cript%C3%B3n" title="Criptón – Asturian" lang="ast" hreflang="ast" data-title="Criptón" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target">Asturianu</a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Kripton" title="Kripton – Azerbaijani" lang="az" hreflang="az" data-title="Kripton" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target">Azərbaycanca</a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA%D9%88%D9%86" title="کریپتون – South Azerbaijani" lang="azb" hreflang="azb" data-title="کریپتون" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target">تۆرکجه</a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Kripton" title="Kripton – Balinese" lang="ban" hreflang="ban" data-title="Kripton" data-language-autonym="Basa Bali" data-language-local-name="Balinese" class="interlanguage-link-target">Basa Bali</a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%95%E0%A7%8D%E0%A6%B0%E0%A6%BF%E0%A6%AA%E0%A7%8D%E0%A6%9F%E0%A6%A8" title="ক্রিপ্টন – Bangla" lang="bn" hreflang="bn" data-title="ক্রিপ্টন" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target">বাংলা</a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Krypton" title="Krypton – Minnan" lang="nan" hreflang="nan" data-title="Krypton" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target">閩南語 / Bân-lâm-gú</a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Bashkir" lang="ba" hreflang="ba" data-title="Криптон" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target">Башҡортса</a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9A%D1%80%D1%8B%D0%BF%D1%82%D0%BE%D0%BD" title="Крыптон – Belarusian" lang="be" hreflang="be" data-title="Крыптон" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target">Беларуская</a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9A%D1%80%D1%8B%D0%BF%D1%82%D0%BE%D0%BD" title="Крыптон – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Крыптон" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target">Беларуская (тарашкевіца)</a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A4%A8" title="क्रिप्टन – Bhojpuri" lang="bh" hreflang="bh" data-title="क्रिप्टन" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target">भोजपुरी</a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Krypton" title="Krypton – Central Bikol" lang="bcl" hreflang="bcl" data-title="Krypton" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target">Bikol Central</a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Bulgarian" lang="bg" hreflang="bg" data-title="Криптон" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target">Български</a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%A6%E0%BE%A6%E0%BD%A6%E0%BC%8B%E0%BD%A2%E0%BE%B3%E0%BD%B4%E0%BD%84%E0%BC%8B%E0%BC%8D" title="སྦས་རླུང་། – Tibetan" lang="bo" hreflang="bo" data-title="སྦས་རླུང་།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target">བོད་ཡིག</a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Kripton" title="Kripton – Bosnian" lang="bs" hreflang="bs" data-title="Kripton" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target">Bosanski</a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Kripton" title="Kripton – Breton" lang="br" hreflang="br" data-title="Kripton" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target">Brezhoneg</a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Cript%C3%B3" title="Criptó – Catalan" lang="ca" hreflang="ca" data-title="Criptó" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target">Català</a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Chuvash" lang="cv" hreflang="cv" data-title="Криптон" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target">Чӑвашла</a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Kripton" title="Kripton – Cebuano" lang="ceb" hreflang="ceb" data-title="Kripton" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target">Cebuano</a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Krypton" title="Krypton – Czech" lang="cs" hreflang="cs" data-title="Krypton" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target">Čeština</a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Kriptone" title="Kriptone – Corsican" lang="co" hreflang="co" data-title="Kriptone" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target">Corsu</a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Crypton" title="Crypton – Welsh" lang="cy" hreflang="cy" data-title="Crypton" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target">Cymraeg</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/Krypton" title="Krypton – Danish" lang="da" hreflang="da" data-title="Krypton" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target">Dansk</a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%83%D8%B1%D9%8A%D9%BE%D8%B7%D9%88%D9%86" title="كريپطون – Moroccan Arabic" lang="ary" hreflang="ary" data-title="كريپطون" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target">الدارجة</a></li><li class="interlanguage-link interwiki-de badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://de.wikipedia.org/wiki/Krypton" title="Krypton – German" lang="de" hreflang="de" data-title="Krypton" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target">Deutsch</a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Kr%C3%BCptoon" title="Krüptoon – Estonian" lang="et" hreflang="et" data-title="Krüptoon" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target">Eesti</a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%9A%CF%81%CF%85%CF%80%CF%84%CF%8C" title="Κρυπτό – Greek" lang="el" hreflang="el" data-title="Κρυπτό" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target">Ελληνικά</a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Erzya" lang="myv" hreflang="myv" data-title="Криптон" data-language-autonym="Эрзянь" data-language-local-name="Erzya" class="interlanguage-link-target">Эрзянь</a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Kript%C3%B3n" title="Kriptón – Spanish" lang="es" hreflang="es" data-title="Kriptón" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target">Español</a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kriptono" title="Kriptono – Esperanto" lang="eo" hreflang="eo" data-title="Kriptono" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target">Esperanto</a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Kripton" title="Kripton – Basque" lang="eu" hreflang="eu" data-title="Kripton" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target">Euskara</a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA%D9%88%D9%86" title="کریپتون – Persian" lang="fa" hreflang="fa" data-title="کریپتون" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target">فارسی</a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Krypton" title="Krypton – Fiji Hindi" lang="hif" hreflang="hif" data-title="Krypton" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target">Fiji Hindi</a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Krypton" title="Krypton – Faroese" lang="fo" hreflang="fo" data-title="Krypton" data-language-autonym="Føroyskt" data-language-local-name="Faroese" class="interlanguage-link-target">Føroyskt</a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Krypton" title="Krypton – French" lang="fr" hreflang="fr" data-title="Krypton" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target">Français</a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Krypton_(elemint)" title="Krypton (elemint) – Western Frisian" lang="fy" hreflang="fy" data-title="Krypton (elemint)" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target">Frysk</a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Cripton" title="Cripton – Friulian" lang="fur" hreflang="fur" data-title="Cripton" data-language-autonym="Furlan" data-language-local-name="Friulian" class="interlanguage-link-target">Furlan</a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Criopt%C3%B3n" title="Crioptón – Irish" lang="ga" hreflang="ga" data-title="Crioptón" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target">Gaeilge</a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Krypton" title="Krypton – Manx" lang="gv" hreflang="gv" data-title="Krypton" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target">Gaelg</a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Criopton" title="Criopton – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Criopton" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target">Gàidhlig</a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Cripton" title="Cripton – Galician" lang="gl" hreflang="gl" data-title="Cripton" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target">Galego</a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E6%B0%AA" title="氪 – Gan" lang="gan" hreflang="gan" data-title="氪" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target">贛語</a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%95%E0%AB%8D%E0%AA%B0%E0%AA%BF%E0%AA%AA%E0%AB%8D%E0%AA%9F%E0%AB%8B%E0%AA%A8" title="ક્રિપ્ટોન – Gujarati" lang="gu" hreflang="gu" data-title="ક્રિપ્ટોન" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target">ગુજરાતી</a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Krypton" title="Krypton – Hakka Chinese" lang="hak" hreflang="hak" data-title="Krypton" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target">客家語 / Hak-kâ-ngî</a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Kalmyk" lang="xal" hreflang="xal" data-title="Криптон" data-language-autonym="Хальмг" data-language-local-name="Kalmyk" class="interlanguage-link-target">Хальмг</a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%81%AC%EB%A6%BD%ED%86%A4" title="크립톤 – Korean" lang="ko" hreflang="ko" data-title="크립톤" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target">한국어</a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%BF%D6%80%D5%AB%D5%BA%D5%BF%D5%B8%D5%B6" title="Կրիպտոն – Armenian" lang="hy" hreflang="hy" data-title="Կրիպտոն" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target">Հայերեն</a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%89%E0%A4%A8" title="क्रिप्टॉन – Hindi" lang="hi" hreflang="hi" data-title="क्रिप्टॉन" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target">हिन्दी</a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Kripton" title="Kripton – Croatian" lang="hr" hreflang="hr" data-title="Kripton" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target">Hrvatski</a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Kriptono" title="Kriptono – Ido" lang="io" hreflang="io" data-title="Kriptono" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target">Ido</a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Kripton" title="Kripton – Indonesian" lang="id" hreflang="id" data-title="Kripton" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target">Bahasa Indonesia</a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Krypton" title="Krypton – Interlingua" lang="ia" hreflang="ia" data-title="Krypton" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target">Interlingua</a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Ossetic" lang="os" hreflang="os" data-title="Криптон" data-language-autonym="Ирон" data-language-local-name="Ossetic" class="interlanguage-link-target">Ирон</a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/UmKhalahwe" title="UmKhalahwe – Zulu" lang="zu" hreflang="zu" data-title="UmKhalahwe" data-language-autonym="IsiZulu" data-language-local-name="Zulu" class="interlanguage-link-target">IsiZulu</a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Krypton" title="Krypton – Icelandic" lang="is" hreflang="is" data-title="Krypton" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target">Íslenska</a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Kripton" title="Kripton – Italian" lang="it" hreflang="it" data-title="Kripton" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target">Italiano</a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A7%D7%A8%D7%99%D7%A4%D7%98%D7%95%D7%9F" title="קריפטון – Hebrew" lang="he" hreflang="he" data-title="קריפטון" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target">עברית</a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Kripton" title="Kripton – Javanese" lang="jv" hreflang="jv" data-title="Kripton" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target">Jawa</a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/Kr%C9%A9p%C9%A9t%C9%94n%C9%A9" title="Krɩpɩtɔnɩ – Kabiye" lang="kbp" hreflang="kbp" data-title="Krɩpɩtɔnɩ" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target">Kabɩyɛ</a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%95%E0%B3%8D%E0%B2%B0%E0%B2%BF%E0%B2%AA%E0%B3%8D%E0%B2%9F%E0%B2%BE%E0%B2%A8%E0%B3%8D" title="ಕ್ರಿಪ್ಟಾನ್ – Kannada" lang="kn" hreflang="kn" data-title="ಕ್ರಿಪ್ಟಾನ್" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target">ಕನ್ನಡ</a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%99%E1%83%A0%E1%83%98%E1%83%9E%E1%83%A2%E1%83%9D%E1%83%9C%E1%83%98" title="კრიპტონი – Georgian" lang="ka" hreflang="ka" data-title="კრიპტონი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target">ქართული</a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Kazakh" lang="kk" hreflang="kk" data-title="Криптон" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target">Қазақша</a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Krypton" title="Krypton – Cornish" lang="kw" hreflang="kw" data-title="Krypton" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target">Kernowek</a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Kriptoni" title="Kriptoni – Swahili" lang="sw" hreflang="sw" data-title="Kriptoni" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target">Kiswahili</a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Komi" lang="kv" hreflang="kv" data-title="Криптон" data-language-autonym="Коми" data-language-local-name="Komi" class="interlanguage-link-target">Коми</a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Kripton" title="Kripton – Haitian Creole" lang="ht" hreflang="ht" data-title="Kripton" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target">Kreyòl ayisyen</a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Kyrgyz" lang="ky" hreflang="ky" data-title="Криптон" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target">Кыргызча</a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Western Mari" lang="mrj" hreflang="mrj" data-title="Криптон" data-language-autonym="Кырык мары" data-language-local-name="Western Mari" class="interlanguage-link-target">Кырык мары</a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Krypton" title="Krypton – Latin" lang="la" hreflang="la" data-title="Krypton" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target">Latina</a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Kriptons" title="Kriptons – Latvian" lang="lv" hreflang="lv" data-title="Kriptons" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target">Latviešu</a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Krypton" title="Krypton – Luxembourgish" lang="lb" hreflang="lb" data-title="Krypton" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target">Lëtzebuergesch</a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Kriptonas" title="Kriptonas – Lithuanian" lang="lt" hreflang="lt" data-title="Kriptonas" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target">Lietuvių</a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Kripton" title="Kripton – Ligurian" lang="lij" hreflang="lij" data-title="Kripton" data-language-autonym="Ligure" data-language-local-name="Ligurian" class="interlanguage-link-target">Ligure</a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Krypton" title="Krypton – Limburgish" lang="li" hreflang="li" data-title="Krypton" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target">Limburgs</a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Kriptounu" title="Kriptounu – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Kriptounu" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target">Livvinkarjala</a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/mipnavni" title="mipnavni – Lojban" lang="jbo" hreflang="jbo" data-title="mipnavni" data-language-autonym="La .lojban." data-language-local-name="Lojban" class="interlanguage-link-target">La .lojban.</a></li><li class="interlanguage-link interwiki-lg mw-list-item"><a href="https://lg.wikipedia.org/wiki/Keriputooni_(Crypton)" title="Keriputooni (Crypton) – Ganda" lang="lg" hreflang="lg" data-title="Keriputooni (Crypton)" data-language-autonym="Luganda" data-language-local-name="Ganda" class="interlanguage-link-target">Luganda</a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Kripton" title="Kripton – Lombard" lang="lmo" hreflang="lmo" data-title="Kripton" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target">Lombard</a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Kripton" title="Kripton – Hungarian" lang="hu" hreflang="hu" data-title="Kripton" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target">Magyar</a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Macedonian" lang="mk" hreflang="mk" data-title="Криптон" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target">Македонски</a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%95%E0%B5%8D%E0%B4%B0%E0%B4%BF%E0%B4%AA%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%8B%E0%B5%BA" title="ക്രിപ്റ്റോൺ – Malayalam" lang="ml" hreflang="ml" data-title="ക്രിപ്റ്റോൺ" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target">മലയാളം</a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A5%89%E0%A4%A8" title="क्रिप्टॉन – Marathi" lang="mr" hreflang="mr" data-title="क्रिप्टॉन" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target">मराठी</a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%83%D8%B1%D9%8A%D8%A8%D8%AA%D9%88%D9%86" title="كريبتون – Egyptian Arabic" lang="arz" hreflang="arz" data-title="كريبتون" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target">مصرى</a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Kripton" title="Kripton – Malay" lang="ms" hreflang="ms" data-title="Kripton" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target">Bahasa Melayu</a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/K%C3%A1ik_(ngu%C3%B2ng-s%C3%B3)" title="Káik (nguòng-só) – Mindong" lang="cdo" hreflang="cdo" data-title="Káik (nguòng-só)" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target">閩東語 / Mìng-dĕ̤ng-ngṳ̄</a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Mongolian" lang="mn" hreflang="mn" data-title="Криптон" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target">Монгол</a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%80%E1%80%9B%E1%80%85%E1%80%BA%E1%80%95%E1%80%90%E1%80%BD%E1%80%94%E1%80%BA" title="ကရစ်ပတွန် – Burmese" lang="my" hreflang="my" data-title="ကရစ်ပတွန်" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target">မြန်မာဘာသာ</a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Krypton_(element)" title="Krypton (element) – Dutch" lang="nl" hreflang="nl" data-title="Krypton (element)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target">Nederlands</a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A4%A8" title="क्रिप्टन – Nepali" lang="ne" hreflang="ne" data-title="क्रिप्टन" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target">नेपाली</a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A4%A8" title="क्रिप्टन – Newari" lang="new" hreflang="new" data-title="क्रिप्टन" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target">नेपाल भाषा</a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%AF%E3%83%AA%E3%83%97%E3%83%88%E3%83%B3" title="クリプトン – Japanese" lang="ja" hreflang="ja" data-title="クリプトン" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target">日本語</a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Kr%C3%BCptoon" title="Krüptoon – Northern Frisian" lang="frr" hreflang="frr" data-title="Krüptoon" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target">Nordfriisk</a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Krypton" title="Krypton – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Krypton" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target">Norsk bokmål</a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Krypton" title="Krypton – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Krypton" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target">Norsk nynorsk</a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Cripton" title="Cripton – Occitan" lang="oc" hreflang="oc" data-title="Cripton" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target">Occitan</a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%95%E0%AD%8D%E0%AC%B0%E0%AC%BF%E0%AC%AA%E0%AD%8D%E2%80%8C%E0%AC%9F%E0%AC%A8" title="କ୍ରିପ୍‌ଟନ – Odia" lang="or" hreflang="or" data-title="କ୍ରିପ୍‌ଟନ" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="Odia" class="interlanguage-link-target">ଓଡ଼ିଆ</a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Kripton" title="Kripton – Uzbek" lang="uz" hreflang="uz" data-title="Kripton" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target">Oʻzbekcha / ўзбекча</a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%95%E0%A9%8D%E0%A8%B0%E0%A8%BF%E0%A8%AA%E0%A8%9F%E0%A9%8C%E0%A8%A8" title="ਕ੍ਰਿਪਟੌਨ – Punjabi" lang="pa" hreflang="pa" data-title="ਕ੍ਰਿਪਟੌਨ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target">ਪੰਜਾਬੀ</a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%DA%A9%D8%B1%D9%BE%D9%B9%D9%88%D9%86" title="کرپٹون – Western Punjabi" lang="pnb" hreflang="pnb" data-title="کرپٹون" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target">پنجابی</a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%DA%A9%D8%B1%DB%90%D9%BE%D9%BC%D9%88%D9%86" title="کرېپټون – Pashto" lang="ps" hreflang="ps" data-title="کرېپټون" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target">پښتو</a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Kr%C3%ACpton_(element)" title="Krìpton (element) – Piedmontese" lang="pms" hreflang="pms" data-title="Krìpton (element)" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target">Piemontèis</a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Krypton" title="Krypton – Low German" lang="nds" hreflang="nds" data-title="Krypton" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target">Plattdüütsch</a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Krypton" title="Krypton – Polish" lang="pl" hreflang="pl" data-title="Krypton" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target">Polski</a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Cr%C3%ADpton" title="Crípton – Portuguese" lang="pt" hreflang="pt" data-title="Crípton" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target">Português</a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Kripton" title="Kripton – Romanian" lang="ro" hreflang="ro" data-title="Kripton" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target">Română</a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Kiriptun" title="Kiriptun – Quechua" lang="qu" hreflang="qu" data-title="Kiriptun" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target">Runa Simi</a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Russian" lang="ru" hreflang="ru" data-title="Криптон" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target">Русский</a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Yakut" lang="sah" hreflang="sah" data-title="Криптон" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target">Саха тыла</a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A4%BF%E0%A4%AA%E0%A5%8D%E0%A4%9F%E0%A4%BE%E0%A4%A8" title="क्रिप्टान – Sanskrit" lang="sa" hreflang="sa" data-title="क्रिप्टान" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target">संस्कृतम्</a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/Cript%C3%B2n" title="Criptòn – Sardinian" lang="sc" hreflang="sc" data-title="Criptòn" data-language-autonym="Sardu" data-language-local-name="Sardinian" class="interlanguage-link-target">Sardu</a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Krypton" title="Krypton – Saterland Frisian" lang="stq" hreflang="stq" data-title="Krypton" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target">Seeltersk</a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Kriptoni" title="Kriptoni – Albanian" lang="sq" hreflang="sq" data-title="Kriptoni" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target">Shqip</a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Kripton_(elementu)" title="Kripton (elementu) – Sicilian" lang="scn" hreflang="scn" data-title="Kripton (elementu)" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target">Sicilianu</a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B6%9A%E0%B7%8A%E2%80%8D%E0%B6%BB%E0%B7%92%E0%B6%B4%E0%B7%8A%E0%B6%A7%E0%B6%B1%E0%B7%8A" title="ක්‍රිප්ටන් – Sinhala" lang="si" hreflang="si" data-title="ක්‍රිප්ටන්" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target">සිංහල</a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Krypton" title="Krypton – Simple English" lang="en-simple" hreflang="en-simple" data-title="Krypton" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target">Simple English</a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Krypt%C3%B3n" title="Kryptón – Slovak" lang="sk" hreflang="sk" data-title="Kryptón" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target">Slovenčina</a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Kripton" title="Kripton – Slovenian" lang="sl" hreflang="sl" data-title="Kripton" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target">Slovenščina</a></li><li class="interlanguage-link interwiki-cu mw-list-item"><a href="https://cu.wikipedia.org/wiki/%D0%9A%D1%80%D1%B7%D0%BF%D1%82%D0%BE%D0%BD%D1%8A" title="Крѷптонъ – Church Slavic" lang="cu" hreflang="cu" data-title="Крѷптонъ" data-language-autonym="Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ" data-language-local-name="Church Slavic" class="interlanguage-link-target">Словѣньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ</a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Kiribtoon" title="Kiribtoon – Somali" lang="so" hreflang="so" data-title="Kiribtoon" data-language-autonym="Soomaaliga" data-language-local-name="Somali" class="interlanguage-link-target">Soomaaliga</a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%A9%D8%B1%DB%8C%D9%BE%D8%AA%DB%86%D9%86" title="کریپتۆن – Central Kurdish" lang="ckb" hreflang="ckb" data-title="کریپتۆن" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target">کوردی</a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Serbian" lang="sr" hreflang="sr" data-title="Криптон" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target">Српски / srpski</a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Kripton" title="Kripton – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Kripton" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target">Srpskohrvatski / српскохрватски</a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Kripton" title="Kripton – Sundanese" lang="su" hreflang="su" data-title="Kripton" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target">Sunda</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/Krypton" title="Krypton – Finnish" lang="fi" hreflang="fi" data-title="Krypton" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target">Suomi</a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Krypton" title="Krypton – Swedish" lang="sv" hreflang="sv" data-title="Krypton" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target">Svenska</a></li><li class="interlanguage-link interwiki-tl badge-Q70894304 mw-list-item" title=""><a href="https://tl.wikipedia.org/wiki/Kripton" title="Kripton – Tagalog" lang="tl" hreflang="tl" data-title="Kripton" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target">Tagalog</a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%95%E0%AE%BF%E0%AE%B0%E0%AE%BF%E0%AE%AA%E0%AF%8D%E0%AE%9F%E0%AE%BE%E0%AE%A9%E0%AF%8D" title="கிரிப்டான் – Tamil" lang="ta" hreflang="ta" data-title="கிரிப்டான்" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target">தமிழ்</a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Tatar" lang="tt" hreflang="tt" data-title="Криптон" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target">Татарча / tatarça</a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%95%E0%B1%8D%E0%B0%B0%E0%B0%BF%E0%B0%AA%E0%B1%8D%E0%B0%9F%E0%B0%BE%E0%B0%A8%E0%B1%8D" title="క్రిప్టాన్ – Telugu" lang="te" hreflang="te" data-title="క్రిప్టాన్" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target">తెలుగు</a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%84%E0%B8%A3%E0%B8%B4%E0%B8%9B%E0%B8%97%E0%B8%AD%E0%B8%99" title="คริปทอน – Thai" lang="th" hreflang="th" data-title="คริปทอน" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target">ไทย</a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Tajik" lang="tg" hreflang="tg" data-title="Криптон" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target">Тоҷикӣ</a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Kripton" title="Kripton – Turkish" lang="tr" hreflang="tr" data-title="Kripton" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target">Türkçe</a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9A%D1%80%D0%B8%D0%BF%D1%82%D0%BE%D0%BD" title="Криптон – Ukrainian" lang="uk" hreflang="uk" data-title="Криптон" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target">Українська</a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%DA%A9%D8%B1%D9%BE%D9%B9%D9%88%D9%86" title="کرپٹون – Urdu" lang="ur" hreflang="ur" data-title="کرپٹون" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target">اردو</a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%83%D8%B1%D9%89%D9%BE%D8%AA%D9%88%D9%86" title="كرىپتون – Uyghur" lang="ug" hreflang="ug" data-title="كرىپتون" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="Uyghur" class="interlanguage-link-target">ئۇيغۇرچە / Uyghurche</a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Kripton" title="Kripton – Veps" lang="vep" hreflang="vep" data-title="Kripton" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target">Vepsän kel’</a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Krypton" title="Krypton – Vietnamese" lang="vi" hreflang="vi" data-title="Krypton" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target">Tiếng Việt</a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E6%B0%AA" title="氪 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="氪" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target">文言</a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Kripton" title="Kripton – Waray" lang="war" hreflang="war" data-title="Kripton" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target">Winaray</a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%B0%AA" title="氪 – Wu" lang="wuu" hreflang="wuu" data-title="氪" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target">吴语</a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A7%D7%A8%D7%99%D7%A4%D7%98%D7%90%D7%9F" title="קריפטאן – Yiddish" lang="yi" hreflang="yi" data-title="קריפטאן" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target">ייִדיש</a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/Krypton" title="Krypton – Yoruba" lang="yo" hreflang="yo" data-title="Krypton" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target">Yorùbá</a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E6%B0%AA" title="氪 – Cantonese" lang="yue" hreflang="yue" data-title="氪" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target">粵語</a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B0%AA" title="氪 – Chinese" lang="zh" hreflang="zh" data-title="氪" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target">中文</a></li><li class="interlanguage-link interwiki-zgh mw-list-item"><a href="https://zgh.wikipedia.org/wiki/%E2%B4%B0%E2%B4%BD%E2%B5%94%E2%B5%89%E2%B4%B1%E2%B5%9C%E2%B5%93%E2%B5%8F" title="ⴰⴽⵔⵉⴱⵜⵓⵏ – Standard Moroccan Tamazight" lang="zgh" hreflang="zgh" data-title="ⴰⴽⵔⵉⴱⵜⵓⵏ" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="Standard Moroccan Tamazight" class="interlanguage-link-target">ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ</a></li> </ul> <div class="after-portlet after-portlet-lang"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q888#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</a></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a 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For other uses, see <a href="/wiki/Krypton_(disambiguation)" class="mw-disambig" title="Krypton (disambiguation)">Krypton (disambiguation)</a>.</div> <div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical element with atomic number 36 (Kr)</div><style data-mw-deduplicate="TemplateStyles:r1257001546">.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .infobox-full-data:not(.notheme)>div:not(.notheme)[style]{background:#1f1f23!important;color:#f8f9fa}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .infobox-full-data:not(.notheme) div:not(.notheme){background:#1f1f23!important;color:#f8f9fa}}@media(min-width:640px){body.skin--responsive .mw-parser-output .infobox-table{display:table!important}body.skin--responsive .mw-parser-output .infobox-table>caption{display:table-caption!important}body.skin--responsive .mw-parser-output .infobox-table>tbody{display:table-row-group}body.skin--responsive .mw-parser-output .infobox-table tr{display:table-row!important}body.skin--responsive .mw-parser-output .infobox-table th,body.skin--responsive .mw-parser-output .infobox-table td{padding-left:inherit;padding-right:inherit}}</style><style data-mw-deduplicate="TemplateStyles:r1158442001">body.skin-minerva .mw-parser-output .infobox-full-data>.wikitable,body.skin-minerva .mw-parser-output .infobox .periodictable{display:table}body.skin-minerva .mw-parser-output .infobox-full-data{width:calc(100% - 20px)}body.skin-minerva .mw-parser-output .infobox-full-data>div{max-width:100%;overflow:auto}body.skin-minerva .mw-parser-output .infobox caption{display:table-caption}</style><table class="infobox"><caption class="infobox-title">Krypton, 36Kr</caption><tbody><tr><td colspan="2" class="infobox-image"><a href="/wiki/File:Krypton_discharge_tube.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Krypton_discharge_tube.jpg/220px-Krypton_discharge_tube.jpg" decoding="async" width="220" height="147" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/50/Krypton_discharge_tube.jpg/330px-Krypton_discharge_tube.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/50/Krypton_discharge_tube.jpg/440px-Krypton_discharge_tube.jpg 2x" data-file-width="3008" data-file-height="2008" /></a><div class="infobox-caption">A krypton-filled <a href="/wiki/Gas-filled_tube" title="Gas-filled tube">discharge</a> tube glowing white</div></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#fdff8c">Krypton</th></tr><tr><th scope="row" class="infobox-label">Pronunciation</th><td class="infobox-data"><a href="/wiki/Help:IPA/English" title="Help:IPA/English">/ˈkrɪptɒn/</a> (<a href="/wiki/Help:Pronunciation_respelling_key" title="Help:Pronunciation respelling key">KRIP-ton</a>)</td></tr><tr><th scope="row" class="infobox-label">Appearance</th><td class="infobox-data">colorless gas, exhibiting a whitish glow in an electric field</td></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><th colspan="2" class="infobox-header" style="text-align: left; color:inherit; background: transparent;"><a href="/wiki/Standard_atomic_weight" title="Standard atomic weight">Standard atomic weight</a> <style data-mw-deduplicate="TemplateStyles:r886047488">.mw-parser-output .nobold{font-weight:normal}</style>Ar°(Kr)</th></tr><tr><th scope="row" class="infobox-label"></th><td class="infobox-data"><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li>83.798±0.002<a href="#cite_note-1">[1]</a></li><li>83.798±0.002 (<a href="/wiki/Standard_atomic_weight#Abridged_atomic_weight" title="Standard atomic weight">abridged</a>)<a href="#cite_note-CIAAW2021-2">[2]</a></li></ul></div></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#fdff8c">Krypton in the <a href="/wiki/Periodic_table" title="Periodic table">periodic table</a></th></tr><tr><td colspan="2" class="infobox-full-data"> <table class="wikitable" style="text-align:center; width:100%; margin:0; background:#f8f8f8; color:black;"> <tbody><tr> <td> <table class="periodictable" style="margin:0 auto"> <tbody><tr> 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style="border:none;padding:0;"><a href="/wiki/Holmium" title="Holmium">Holmium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Erbium" title="Erbium">Erbium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thulium" title="Thulium">Thulium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Ytterbium" title="Ytterbium">Ytterbium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lutetium" title="Lutetium">Lutetium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Hafnium" title="Hafnium">Hafnium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tantalum" title="Tantalum">Tantalum</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tungsten" title="Tungsten">Tungsten</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rhenium" title="Rhenium">Rhenium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Osmium" title="Osmium">Osmium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Iridium" title="Iridium">Iridium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Platinum" title="Platinum">Platinum</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Gold" title="Gold">Gold</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Mercury_(element)" title="Mercury (element)">Mercury (element)</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thallium" title="Thallium">Thallium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lead" title="Lead">Lead</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Bismuth" title="Bismuth">Bismuth</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Polonium" title="Polonium">Polonium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Astatine" title="Astatine">Astatine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Radon" title="Radon">Radon</a> </td></tr> <tr> <td style="border:none;padding:0;"><a href="/wiki/Francium" title="Francium">Francium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Radium" title="Radium">Radium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Actinium" title="Actinium">Actinium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Thorium" title="Thorium">Thorium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Protactinium" title="Protactinium">Protactinium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Uranium" title="Uranium">Uranium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Neptunium" title="Neptunium">Neptunium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Plutonium" title="Plutonium">Plutonium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Americium" title="Americium">Americium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Curium" title="Curium">Curium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Berkelium" title="Berkelium">Berkelium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Californium" title="Californium">Californium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Einsteinium" title="Einsteinium">Einsteinium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Fermium" title="Fermium">Fermium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Mendelevium" title="Mendelevium">Mendelevium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nobelium" title="Nobelium">Nobelium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Lawrencium" title="Lawrencium">Lawrencium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rutherfordium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Dubnium" title="Dubnium">Dubnium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Seaborgium" title="Seaborgium">Seaborgium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Bohrium" title="Bohrium">Bohrium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Hassium" title="Hassium">Hassium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Meitnerium" title="Meitnerium">Meitnerium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Darmstadtium" title="Darmstadtium">Darmstadtium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Roentgenium" title="Roentgenium">Roentgenium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Copernicium" title="Copernicium">Copernicium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Nihonium" title="Nihonium">Nihonium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Flerovium" title="Flerovium">Flerovium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Moscovium" title="Moscovium">Moscovium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Livermorium" title="Livermorium">Livermorium</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Tennessine" title="Tennessine">Tennessine</a> </td> <td style="border:none;padding:0;"><a href="/wiki/Oganesson" title="Oganesson">Oganesson</a> </td></tr></tbody></table> </div> </td> <td style="vertical-align:middle; text-align:center; font-size:90%; line-height:100%; width:10px; border:none;"><a href="/wiki/Argon" title="Argon">Ar</a> ↑ Kr ↓ <a href="/wiki/Xenon" title="Xenon">Xe</a> </td></tr> <tr> <td colspan="2" class="nowrap" style="text-align:center; font-size:90%; line-height:100%; padding-top:0; padding-bottom:1px; border:none;"><a href="/wiki/Bromine" title="Bromine">bromine</a> ← krypton → <a href="/wiki/Rubidium" title="Rubidium">rubidium</a> </td></tr></tbody></table> </td></tr></tbody></table></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Atomic_number" title="Atomic number">Atomic number</a> (Z)</th><td class="infobox-data">36</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Group_(periodic_table)" title="Group (periodic table)">Group</a></th><td class="infobox-data"><a href="/wiki/Noble_gas" title="Noble gas">group 18 (noble gases)</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Period_(periodic_table)" title="Period (periodic table)">Period</a></th><td class="infobox-data"><a href="/wiki/Period_4_element" title="Period 4 element">period 4</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Block_(periodic_table)" title="Block (periodic table)">Block</a></th><td class="infobox-data">  <a href="/wiki/Block_(periodic_table)#p-block" title="Block (periodic table)">p-block</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Electron_configuration" title="Electron configuration">Electron configuration</a></th><td class="infobox-data">[<a href="/wiki/Argon" title="Argon">Ar</a>] 3d10 4s2 4p6</td></tr><tr><th scope="row" class="infobox-label">Electrons per shell</th><td class="infobox-data">2, 8, 18, 8</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#fdff8c">Physical properties</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Phase_(matter)" title="Phase (matter)">Phase</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488">at <a href="/wiki/Standard_temperature_and_pressure" title="Standard temperature and pressure">STP</a></th><td class="infobox-data"><a href="/wiki/Gas" title="Gas">gas</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Melting_point" title="Melting point">Melting point</a></th><td class="infobox-data">115.78 <a href="/wiki/Kelvin" title="Kelvin">K</a> (−157.37 °C, −251.27 °F) </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Boiling_point" title="Boiling point">Boiling point</a></th><td class="infobox-data">119.93 K (−153.415 °C, −244.147 °F) </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Density" title="Density">Density</a> (at STP)</th><td class="infobox-data">3.749 g/L</td></tr><tr><th scope="row" class="infobox-label">when liquid (at <a href="/wiki/Boiling_point" title="Boiling point">b.p.</a>)</th><td class="infobox-data">2.413 g/cm3<a href="#cite_note-3">[3]</a> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Triple_point" title="Triple point">Triple point</a></th><td class="infobox-data">115.775 K, 73.53 kPa<a href="#cite_note-4">[4]</a><a href="#cite_note-b92-5">[5]</a> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Critical_point_(thermodynamics)" title="Critical point (thermodynamics)">Critical point</a></th><td class="infobox-data">209.48 K, 5.525 MPa<a href="#cite_note-b92-5">[5]</a> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Enthalpy_of_fusion" title="Enthalpy of fusion">Heat of fusion</a></th><td class="infobox-data">1.64 <a href="/wiki/Kilojoule_per_mole" class="mw-redirect" title="Kilojoule per mole">kJ/mol</a> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Enthalpy_of_vaporization" title="Enthalpy of vaporization">Heat of vaporization</a></th><td class="infobox-data">9.08 kJ/mol </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Molar_heat_capacity" title="Molar heat capacity">Molar heat capacity</a></th><td class="infobox-data">20.95<a href="#cite_note-6">[6]</a> J/(mol·K) </td></tr><tr><td colspan="2" class="infobox-full-data"><a href="/wiki/Vapor_pressure" title="Vapor pressure">Vapor pressure</a><div style="position:relative; margin:0 auto; padding:0; text-align:initial; width:-moz-fit-content;width:-webkit-fit-content;width:fit-content;"> <table class="wikitable" style="text-align:center; font-size:90%; border-collapse:collapse; margin:0"> <tbody><tr> <th><abbr title="Pressure">P</abbr> (Pa) </th> <th>1 </th> <th>10 </th> <th>100 </th> <th>1 k </th> <th>10 k </th> <th>100 k </th></tr> <tr> <th>at <abbr title="Temperature">T</abbr> (K) </th> <td>59 </td> <td>65 </td> <td>74 </td> <td>84 </td> <td>99 </td> <td>120 </td></tr></tbody></table> </div></td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#fdff8c">Atomic properties</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Oxidation_state" title="Oxidation state">Oxidation states</a></th><td class="infobox-data">common: +2 +1,<a href="/wiki/Wikipedia:Citation_needed" title="Wikipedia:Citation needed">?</a> +2</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Electronegativity" title="Electronegativity">Electronegativity</a></th><td class="infobox-data">Pauling scale: 3.00 </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Ionization_energy" title="Ionization energy">Ionization energies</a></th><td class="infobox-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>1st: 1350.8 kJ/mol </li><li>2nd: 2350.4 kJ/mol </li><li>3rd: 3565 kJ/mol </li><li> </li></ul></div></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Covalent_radius" title="Covalent radius">Covalent radius</a></th><td class="infobox-data">116±4 <a href="/wiki/Picometre" title="Picometre">pm</a> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Van_der_Waals_radius" title="Van der Waals radius">Van der Waals radius</a></th><td class="infobox-data">202 pm </td></tr><tr><td colspan="2" class="infobox-full-data"><figure class="mw-default-size mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:Krypton_spectrum_visible.png" class="mw-file-description"><img alt="Color lines in a spectral range" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Krypton_spectrum_visible.png/240px-Krypton_spectrum_visible.png" decoding="async" width="240" height="41" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Krypton_spectrum_visible.png/360px-Krypton_spectrum_visible.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Krypton_spectrum_visible.png/480px-Krypton_spectrum_visible.png 2x" data-file-width="7430" data-file-height="1280" /></a><figcaption></figcaption></figure><a href="/wiki/Spectral_line" title="Spectral line">Spectral lines</a> of krypton</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#fdff8c">Other properties</th></tr><tr><th scope="row" class="infobox-label">Natural occurrence</th><td class="infobox-data"><a href="/wiki/Primordial_nuclide" title="Primordial nuclide">primordial</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Crystal_structure" title="Crystal structure">Crystal structure</a></th><td class="infobox-data"> <a href="/wiki/Cubic_crystal_system" title="Cubic crystal system">face-centered cubic</a> (fcc) (<a href="/wiki/Pearson_symbol" title="Pearson symbol">cF4</a>)</td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Lattice_constant" title="Lattice constant">Lattice constant</a></th><td class="infobox-data"><div style="float:right;"><a href="/wiki/File:Cubic-face-centered.svg" class="mw-file-description"><img alt="Face-centered cubic crystal structure for krypton" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/50px-Cubic-face-centered.svg.png" decoding="async" width="50" height="58" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/75px-Cubic-face-centered.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c9/Cubic-face-centered.svg/100px-Cubic-face-centered.svg.png 2x" data-file-width="109" data-file-height="127" /></a></div>a = 583.57 pm (at triple point: 115.78 K)<a href="#cite_note-Arblaster_2018-7">[7]</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Thermal_conductivity" class="mw-redirect" title="Thermal conductivity">Thermal conductivity</a></th><td class="infobox-data">9.43×10−3  W/(m⋅K) </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Magnetism" title="Magnetism">Magnetic ordering</a></th><td class="infobox-data"><a href="/wiki/Diamagnetic" class="mw-redirect" title="Diamagnetic">diamagnetic</a><a href="#cite_note-8">[8]</a> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Magnetic_susceptibility" title="Magnetic susceptibility">Molar magnetic susceptibility</a></th><td class="infobox-data">−28.8×10−6 cm3/mol (298 K)<a href="#cite_note-9">[9]</a></td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Speed_of_sound" title="Speed of sound">Speed of sound</a></th><td class="infobox-data">(gas, 20 °C) 221 m·s−1 (liquid) 1120 <a href="/wiki/Metre_per_second" title="Metre per second">m/s</a> </td></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></th><td class="infobox-data">7439-90-9 </td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#fdff8c">History</th></tr><tr><th scope="row" class="infobox-label"><a href="/wiki/Timeline_of_chemical_element_discoveries" class="mw-redirect" title="Timeline of chemical element discoveries">Discovery</a> and first isolation</th><td class="infobox-data"><a href="/wiki/William_Ramsay" title="William Ramsay">William Ramsay</a> and <a href="/wiki/Morris_Travers" title="Morris Travers">Morris Travers</a> (1898)</td></tr><tr><th colspan="2" class="infobox-header" style="color:inherit; background:#fdff8c"><a href="/wiki/Isotopes_of_krypton" title="Isotopes of krypton">Isotopes of krypton</a><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline 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ol>li:first-child::before{content:" ("counter(listitem)"\a0 "}</style><style data-mw-deduplicate="TemplateStyles:r1239400231">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output .navbar-brackets::after{margin-left:-0.125em;content:" ]"}.mw-parser-output .navbar li{word-spacing:-0.125em}.mw-parser-output .navbar a>span,.mw-parser-output .navbar a>abbr{text-decoration:inherit}.mw-parser-output .navbar-mini abbr{font-variant:small-caps;border-bottom:none;text-decoration:none;cursor:inherit}.mw-parser-output .navbar-ct-full{font-size:114%;margin:0 7em}.mw-parser-output .navbar-ct-mini{font-size:114%;margin:0 4em}html.skin-theme-clientpref-night .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}@media(prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .navbar li a abbr{color:var(--color-base)!important}}@media print{.mw-parser-output .navbar{display:none!important}}</style><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Infobox_krypton_isotopes" title="Template:Infobox krypton isotopes"><abbr title="View this template">v</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Infobox_krypton_isotopes" title="Special:EditPage/Template:Infobox krypton isotopes"><abbr title="Edit this template">e</abbr></a></li></ul></div></th></tr><tr><td colspan="2" class="infobox-full-data"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1257001546"></td></tr><tr><td colspan="2" class="infobox-full-data"> <table class="wikitable" style="text-align: center; vertical-align: middle; width: 100%; border-collapse: collapse; margin: 0; padding: 0;"> <tbody><tr> <th colspan="3">Main isotopes<a href="#cite_note-NUBASE2020-10">[10]</a> </th> <th colspan="2"><a href="/wiki/Radioactive_decay" title="Radioactive decay">Decay</a> </th></tr> <tr> <th> </th> <th style="padding: 0.1em;"><a href="/wiki/Natural_abundance" title="Natural abundance">abundance</a> </th> <th style="padding: 0.1em;"><a href="/wiki/Half-life" title="Half-life">half-life</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886047488">(t1/2) </th> <th style="padding: 0.1em;"><a href="/wiki/Radioactive_decay#Types_of_decay" title="Radioactive decay">mode</a> </th> <th style="padding: 0.1em;"><a href="/wiki/Decay_product" title="Decay product">product</a> </th></tr> <tr> <th rowspan="1" style="vertical-align: top;">78Kr </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">0.360% </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">9.2×1021 y<a href="#cite_note-Patrignani2016-11">[11]</a> </td> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Electron_capture" title="Electron capture">εε</a> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Selenium-78" class="mw-redirect" title="Selenium-78">78Se</a> </td></tr> <tr> <th rowspan="3" style="vertical-align: top;">79Kr </th> <td rowspan="3" colspan="1" style="vertical-align: top; text-align: center;"><a href="/wiki/Synthetic_radioisotope" title="Synthetic radioisotope">synth</a> </td> <td rowspan="3" colspan="1" style="vertical-align: top; text-align: right;">35 h </td> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Electron_capture" title="Electron capture">ε</a> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Bromine-79" class="mw-redirect" title="Bromine-79">79Br</a> </td></tr> <tr> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Beta_plus_decay" class="mw-redirect" title="Beta plus decay">β+</a> </td> <td style="text-align: right; vertical-align: middle;">79Br </td></tr> <tr> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Gamma_decay" class="mw-redirect" title="Gamma decay">γ</a> </td> <td style="text-align: right; vertical-align: middle;">– </td></tr> <tr> <th rowspan="1" style="vertical-align: top;">80Kr </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">2.29% </td> <td rowspan="1" colspan="3" style="vertical-align: top; text-align: left;"><a href="/wiki/Stable_isotope" class="mw-redirect" title="Stable isotope">stable</a> </td></tr> <tr> <th rowspan="1" style="vertical-align: top;">81Kr </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;"><a href="/wiki/Trace_radioisotope" title="Trace radioisotope">trace</a> </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">2.3×105 y </td> <td style="text-align: left; vertical-align: top;">ε </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Bromine-81" class="mw-redirect" title="Bromine-81">81Br</a> </td></tr> <tr> <th rowspan="2" style="vertical-align: top;">81mKr </th> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: center;">synth </td> <td rowspan="2" colspan="1" style="vertical-align: top; text-align: right;">13.10 s </td> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Isomeric_transition" class="mw-redirect" title="Isomeric transition">IT</a> </td> <td style="text-align: right; vertical-align: middle;">81Kr </td></tr> <tr> <td style="text-align: left; vertical-align: top;">ε </td> <td style="text-align: right; vertical-align: middle;">81Br </td></tr> <tr> <th rowspan="1" style="vertical-align: top;">82Kr </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">11.6% </td> <td rowspan="1" colspan="3" style="vertical-align: top; text-align: left;">stable </td></tr> <tr> <th rowspan="1" style="vertical-align: top;">83Kr </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">11.5% </td> <td rowspan="1" colspan="3" style="vertical-align: top; text-align: left;">stable </td></tr> <tr> <th rowspan="1" style="vertical-align: top;">84Kr </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">57.0% </td> <td rowspan="1" colspan="3" style="vertical-align: top; text-align: left;">stable </td></tr> <tr> <th rowspan="1" style="vertical-align: top;"><a href="/wiki/Krypton-85" title="Krypton-85">85Kr</a> </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: center;">trace </td> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">11 y </td> <td style="text-align: left; vertical-align: top;"><a href="/wiki/Beta_minus_decay" class="mw-redirect" title="Beta minus decay">β−</a> </td> <td style="text-align: right; vertical-align: middle;"><a href="/wiki/Rubidium-85" class="mw-redirect" title="Rubidium-85">85Rb</a> </td></tr> <tr> <th rowspan="1" style="vertical-align: top;">86Kr </th> <td rowspan="1" colspan="1" style="vertical-align: top; text-align: right;">17.3% </td> <td rowspan="1" colspan="3" style="vertical-align: top; text-align: left;">stable </td></tr></tbody></table></td></tr><tr style="display:none"><td colspan="2"> </td></tr><tr><td colspan="2" class="infobox-below noprint" style="color:inherit; background:#fdff8c"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/16px-Symbol_category_class.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/23px-Symbol_category_class.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/9/96/Symbol_category_class.svg/31px-Symbol_category_class.svg.png 2x" data-file-width="180" data-file-height="185" /> <a href="/wiki/Category:Krypton" title="Category:Krypton">Category: Krypton</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist"><ul><li class="nv-view"><a href="/wiki/Template:Infobox_krypton" title="Template:Infobox krypton">view</a></li><li class="nv-talk"><a href="/wiki/Template_talk:Infobox_krypton" title="Template talk:Infobox krypton">talk</a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Infobox_krypton" title="Special:EditPage/Template:Infobox krypton">edit</a></li></ul></div> | <a href="/wiki/List_of_data_references_for_chemical_elements" title="List of data references for chemical elements">references</a></td></tr></tbody></table> Krypton (from <a href="/wiki/Ancient_Greek_language" class="mw-redirect" title="Ancient Greek language">Ancient Greek</a>: κρυπτός, <a href="/wiki/Romanization_of_Ancient_Greek" class="mw-redirect" title="Romanization of Ancient Greek">romanized</a>: kryptos 'the hidden one') is a <a href="/wiki/Chemical_element" title="Chemical element">chemical element</a>; it has <a href="/wiki/Symbol_(chemistry)" class="mw-redirect" title="Symbol (chemistry)">symbol</a> Kr and <a href="/wiki/Atomic_number" title="Atomic number">atomic number</a> 36. It is a colorless, odorless <a href="/wiki/Noble_gas" title="Noble gas">noble gas</a> that occurs in <a href="/wiki/Trace_element" title="Trace element">trace amounts</a> in the <a href="/wiki/Earth%27s_atmosphere" class="mw-redirect" title="Earth's atmosphere">atmosphere</a> and is often used with other rare gases in <a href="/wiki/Fluorescent_lamp" title="Fluorescent lamp">fluorescent lamps</a>. Krypton is <a href="/wiki/Chemically_inert" title="Chemically inert">chemically inert</a>. Krypton, like the other noble gases, is used in lighting and <a href="/wiki/Photography" title="Photography">photography</a>. Krypton light has many <a href="/wiki/Spectral_line" title="Spectral line">spectral lines</a>, and krypton <a href="/wiki/Plasma_(physics)" title="Plasma (physics)">plasma</a> is useful in bright, high-powered gas lasers (krypton <a href="/wiki/Ion_laser" title="Ion laser">ion</a> and <a href="/wiki/Excimer_laser" title="Excimer laser">excimer</a> lasers), each of which resonates and amplifies a single spectral line. <a href="/wiki/Krypton_fluoride_laser" title="Krypton fluoride laser">Krypton fluoride</a> also makes a useful <a href="/wiki/Laser_medium" class="mw-redirect" title="Laser medium">laser medium</a>. From 1960 to 1983, the <a href="/wiki/History_of_the_metre#Krypton_standard" title="History of the metre">official definition of the metre</a> was based on the <a href="/wiki/Wavelength" title="Wavelength">wavelength</a> of one spectral line of krypton-86, because of the high power and relative ease of operation of krypton <a href="/wiki/Discharge_tube" class="mw-redirect" title="Discharge tube">discharge tubes</a>. <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="History">History</h2></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:William_Ramsay_working.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/William_Ramsay_working.jpg/170px-William_Ramsay_working.jpg" decoding="async" width="170" height="261" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d2/William_Ramsay_working.jpg/255px-William_Ramsay_working.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d2/William_Ramsay_working.jpg/340px-William_Ramsay_working.jpg 2x" data-file-width="800" data-file-height="1226" /></a><figcaption>Sir <a href="/wiki/William_Ramsay" title="William Ramsay">William Ramsay</a>, the discoverer of krypton</figcaption></figure> Krypton was discovered in <a href="/wiki/Kingdom_of_Great_Britain" title="Kingdom of Great Britain">Britain</a> in 1898 by <a href="/wiki/William_Ramsay" title="William Ramsay">William Ramsay</a>, a Scottish chemist, and <a href="/wiki/Morris_Travers" title="Morris Travers">Morris Travers</a>, an English chemist, in residue left from evaporating nearly all components of <a href="/wiki/Liquid_air" title="Liquid air">liquid air</a>. <a href="/wiki/Neon" title="Neon">Neon</a> was discovered by a similar procedure by the same workers just a few weeks later.<a href="#cite_note-12">[12]</a> William Ramsay was awarded the 1904 <a href="/wiki/Nobel_Prize_in_Chemistry" title="Nobel Prize in Chemistry">Nobel Prize in Chemistry</a> for discovery of a series of <a href="/wiki/Noble_gas" title="Noble gas">noble gases</a>, including krypton.<a href="#cite_note-13">[13]</a> In 1960, the <a href="/wiki/International_Bureau_of_Weights_and_Measures" title="International Bureau of Weights and Measures">International Bureau of Weights and Measures</a> defined the meter as 1,650,763.73 <a href="/wiki/Wavelength" title="Wavelength">wavelengths</a> of light emitted in the vacuum corresponding to the transition between the 2p10 and 5d5 levels in the <a href="/wiki/Isotope" title="Isotope">isotope</a> krypton-86.<a href="#cite_note-14">[14]</a><a href="#cite_note-15">[15]</a> This agreement replaced the 1889 <a href="/wiki/International_prototype_meter" class="mw-redirect" title="International prototype meter">international prototype meter</a>, which was a metal bar located in <a href="/wiki/S%C3%A8vres" title="Sèvres">Sèvres</a>. This also made obsolete the 1927 definition of the <a href="/wiki/%C3%85ngstr%C3%B6m" class="mw-redirect" title="Ångström">ångström</a> based on the red <a href="/wiki/Cadmium" title="Cadmium">cadmium</a> spectral line,<a href="#cite_note-16">[16]</a> replacing it with 1 Å = 10−10 m. The krypton-86 definition lasted until the October 1983 conference, which redefined the meter as the distance that light travels in <a href="/wiki/Vacuum" title="Vacuum">vacuum</a> during 1/299,792,458 s.<a href="#cite_note-17">[17]</a><a href="#cite_note-18">[18]</a><a href="#cite_note-19">[19]</a> <div class="mw-heading mw-heading2"><h2 id="Characteristics">Characteristics</h2></div> Krypton is characterized by several sharp emission lines (<a href="/wiki/Spectral_signature" title="Spectral signature">spectral signatures</a>) the strongest being green and yellow.<a href="#cite_note-colours-20">[20]</a> Krypton is one of the products of <a href="/wiki/Uranium" title="Uranium">uranium</a> <a href="/wiki/Nuclear_fission" title="Nuclear fission">fission</a>.<a href="#cite_note-ANL-21">[21]</a> Solid krypton is white and has a face-centered <a href="/wiki/Cubic_(crystal_system)" class="mw-redirect" title="Cubic (crystal system)">cubic</a> <a href="/wiki/Crystal_structure" title="Crystal structure">crystal structure</a>, which is a common property of all noble gases (except <a href="/wiki/Helium" title="Helium">helium</a>, which has a hexagonal close-packed crystal structure).<a href="#cite_note-22">[22]</a> <div class="mw-heading mw-heading3"><h3 id="Isotopes">Isotopes</h3></div> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236090951"><div role="note" class="hatnote navigation-not-searchable">Main article: <a href="/wiki/Isotopes_of_krypton" title="Isotopes of krypton">Isotopes of krypton</a></div> Naturally occurring krypton in Earth's atmosphere is composed of five <a href="/wiki/Stable_nuclide" title="Stable nuclide">stable</a> <a href="/wiki/Isotopes" class="mw-redirect" title="Isotopes">isotopes</a>, plus one isotope (78Kr) with such a long <a href="/wiki/Half-life" title="Half-life">half-life</a> (9.2×1021 years) that it can be considered stable. (This isotope has the third-longest known half-life among all isotopes for which decay has been observed; it undergoes <a href="/wiki/Double_electron_capture" title="Double electron capture">double electron capture</a> to 78<a href="/wiki/Selenium" title="Selenium">Se</a>).<a href="#cite_note-Patrignani2016-11">[11]</a><a href="#cite_note-23">[23]</a> In addition, about thirty unstable isotopes and <a href="/wiki/Nuclear_isomer" title="Nuclear isomer">isomers</a> are known.<a href="#cite_note-24">[24]</a> Traces of 81Kr, a <a href="/wiki/Cosmogenic_nuclide" title="Cosmogenic nuclide">cosmogenic nuclide</a> produced by the <a href="/wiki/Cosmic_ray" title="Cosmic ray">cosmic ray</a> irradiation of 80Kr, also occur in nature: this <a href="/wiki/Isotope" title="Isotope">isotope</a> is <a href="/wiki/Radioactive" class="mw-redirect" title="Radioactive">radioactive</a> with a half-life of 230,000 years. Krypton is highly volatile and does not stay in solution in near-surface water, but 81Kr has been used for <a href="/wiki/Radiometric_dating" title="Radiometric dating">dating</a> old (50,000–800,000 years) <a href="/wiki/Groundwater" title="Groundwater">groundwater</a>.<a href="#cite_note-25">[25]</a> <a href="/wiki/Krypton-85" title="Krypton-85">85Kr</a> is an inert radioactive noble gas with a half-life of 10.76 years. It is produced by the <a href="/wiki/Nuclear_fission" title="Nuclear fission">fission</a> of <a href="/wiki/Uranium" title="Uranium">uranium</a> and <a href="/wiki/Plutonium" title="Plutonium">plutonium</a>, such as in <a href="/wiki/Nuclear_bomb" class="mw-redirect" title="Nuclear bomb">nuclear bomb</a> testing and <a href="/wiki/Nuclear_reactor" title="Nuclear reactor">nuclear reactors</a>. 85Kr is released during the reprocessing of <a href="/wiki/Fuel_rod" class="mw-redirect" title="Fuel rod">fuel rods</a> from nuclear reactors. Concentrations at the <a href="/wiki/North_Pole" title="North Pole">North Pole</a> are 30% higher than at the <a href="/wiki/South_Pole" title="South Pole">South Pole</a> due to convective mixing.<a href="#cite_note-26">[26]</a> <div class="mw-heading mw-heading3"><h3 id="Chemistry">Chemistry</h3></div> Like the other noble gases, krypton is chemically highly unreactive. The rather restricted chemistry of krypton in the +2 oxidation state parallels that of the neighboring element <a href="/wiki/Bromine" title="Bromine">bromine</a> in the +1 oxidation state; due to the <a href="/wiki/Scandide_contraction" class="mw-redirect" title="Scandide contraction">scandide contraction</a> it is difficult to oxidize the 4p elements to their group oxidation states. Until the 1960s no noble gas compounds had been synthesized.<a href="#cite_note-S&E-27">[27]</a> Following the first successful synthesis of <a href="/wiki/Xenon" title="Xenon">xenon</a> compounds in 1962, synthesis of <a href="/wiki/Krypton_difluoride" title="Krypton difluoride">krypton difluoride</a> (KrF 2) was reported in 1963. In the same year, KrF 4 was reported by Grosse, et al.,<a href="#cite_note-28">[28]</a> but was subsequently shown to be a mistaken identification.<a href="#cite_note-29">[29]</a> Under extreme conditions, krypton reacts with fluorine to form KrF2 according to the following equation: <dl><dd><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {Kr + F2 -> KrF2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mtext>Kr</mtext> <mo>+</mo> <msubsup> <mtext>F</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em" /> </mrow> </msubsup> <mo stretchy="false">⟶</mo> <msubsup> <mtext>KrF</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em" /> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {Kr + F2 -> KrF2}}}</annotation> </semantics> </math><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/83a9fec9dea507af824a3c5439e1423044477537" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:18.52ex; height:2.843ex;" alt="{\displaystyle {\ce {Kr + F2 -> KrF2}}}"></dd></dl> Krypton gas in a <a href="/wiki/Krypton_fluoride_laser" title="Krypton fluoride laser">krypton fluoride laser</a> absorbs energy from a source, causing the krypton to react with fluorine gas, producing the exciplex krypton fluoride, a temporary <a href="/wiki/Complex_(chemistry)" class="mw-redirect" title="Complex (chemistry)">complex</a> in an excited energy state:<a href="#cite_note-30">[30]</a> <dl><dd><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2Kr + F2 -> 2KrF}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mspace width="thinmathspace" /> <mtext>Kr</mtext> <mo>+</mo> <msubsup> <mtext>F</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em" /> </mrow> </msubsup> <mo stretchy="false">⟶</mo> <mn>2</mn> <mspace width="thinmathspace" /> <mtext>KrF</mtext> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {2Kr + F2 -> 2KrF}}}</annotation> </semantics> </math><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1ca02e1eb12e3ebec0f0b0a64301ac2248235ced" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:20.565ex; height:2.843ex;" alt="{\displaystyle {\ce {2Kr + F2 -> 2KrF}}}"></dd></dl> The complex can undergo spontaneous or stimulated emission, reducing its energy state to a metastable, but highly <a href="/wiki/Repulsive_state" title="Repulsive state">repulsive ground state</a>. The ground state complex quickly dissociates into unbound atoms: <dl><dd><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle {\ce {2KrF -> 2Kr + F2}}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> <mspace width="thinmathspace" /> <mtext>KrF</mtext> <mo stretchy="false">⟶</mo> <mn>2</mn> <mspace width="thinmathspace" /> <mtext>Kr</mtext> <mo>+</mo> <msubsup> <mtext>F</mtext> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> <mrow class="MJX-TeXAtom-ORD"> <mspace width="0pt" height="0pt" depth=".2em" /> </mrow> </msubsup> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle {\ce {2KrF -> 2Kr + F2}}}</annotation> </semantics> </math><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/47f2d6130753963582391d01962fb8767096104a" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -1.005ex; width:20.565ex; height:2.843ex;" alt="{\displaystyle {\ce {2KrF -> 2Kr + F2}}}"></dd></dl> The result is an <a href="/wiki/Excimer_laser" title="Excimer laser">exciplex laser</a> which radiates energy at 248 nm, near the <a href="/wiki/Ultraviolet" title="Ultraviolet">ultraviolet</a> portion of the <a href="/wiki/Spectrum" title="Spectrum">spectrum</a>, corresponding with the energy difference between the ground state and the excited state of the complex.<a href="#cite_note-31">[31]</a> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:Krypton_hydride_crystal.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Krypton_hydride_crystal.jpg/220px-Krypton_hydride_crystal.jpg" decoding="async" width="220" height="219" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Krypton_hydride_crystal.jpg/330px-Krypton_hydride_crystal.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Krypton_hydride_crystal.jpg/440px-Krypton_hydride_crystal.jpg 2x" data-file-width="446" data-file-height="443" /></a><figcaption>Kr(H2)4 and H2 solids formed in a <a href="/wiki/Diamond_anvil_cell" title="Diamond anvil cell">diamond anvil cell</a><a href="#cite_note-KrH-32">[32]</a></figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Krypton_hydride_structure.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Krypton_hydride_structure.png/220px-Krypton_hydride_structure.png" decoding="async" width="220" height="215" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/60/Krypton_hydride_structure.png/330px-Krypton_hydride_structure.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/60/Krypton_hydride_structure.png/440px-Krypton_hydride_structure.png 2x" data-file-width="880" data-file-height="860" /></a><figcaption>Structure of Kr(H2)4. Krypton octahedra (green) are surrounded by randomly oriented hydrogen molecules.<a href="#cite_note-KrH-32">[32]</a></figcaption></figure> Compounds with krypton bonded to atoms other than <a href="/wiki/Fluorine" title="Fluorine">fluorine</a> have also been discovered. There are also unverified reports of a <a href="/wiki/Barium" title="Barium">barium</a> <a href="/wiki/Salt_(chemistry)" title="Salt (chemistry)">salt</a> of a krypton <a href="/wiki/Oxoacid" class="mw-redirect" title="Oxoacid">oxoacid</a>.<a href="#cite_note-33">[33]</a> <a href="/wiki/Argon" title="Argon">Ar</a>Kr+ and Kr<a href="/wiki/Hydrogen" title="Hydrogen">H</a>+ <a href="/wiki/Polyatomic_ions" class="mw-redirect" title="Polyatomic ions">polyatomic ions</a> have been investigated and there is evidence for Kr<a href="/wiki/Xenon" title="Xenon">Xe</a> or KrXe+.<a href="#cite_note-34">[34]</a> The reaction of KrF 2 with B(OTeF 5) 3 produces an unstable compound, Kr(OTeF 5) 2, that contains a krypton-<a href="/wiki/Oxygen" title="Oxygen">oxygen</a> bond. A krypton-<a href="/wiki/Nitrogen" title="Nitrogen">nitrogen</a> bond is found in the <a href="/wiki/Cation" class="mw-redirect" title="Cation">cation</a> [HC≡N–Kr–F]+ , produced by the reaction of KrF 2 with [HC≡NH]+ [AsF− 6] below −50 °C.<a href="#cite_note-35">[35]</a><a href="#cite_note-36">[36]</a> HKrCN and HKrC≡CH (krypton hydride-cyanide and hydrokryptoacetylene) were reported to be stable up to 40 <a href="/wiki/Kelvin" title="Kelvin">K</a>.<a href="#cite_note-S&E-27">[27]</a> Krypton <a href="/wiki/Hydride" title="Hydride">hydride</a> (Kr(H2)4) crystals can be grown at pressures above 5 GPa. They have a face-centered cubic structure where krypton octahedra are surrounded by randomly oriented hydrogen molecules.<a href="#cite_note-KrH-32">[32]</a> <div class="mw-heading mw-heading3"><h3 id="Natural_occurrence">Natural occurrence</h3></div> Earth has retained all of the noble gases that were present at its formation except <a href="/wiki/Helium" title="Helium">helium</a>. Krypton's concentration in the <a href="/wiki/Earth%27s_atmosphere" class="mw-redirect" title="Earth's atmosphere">atmosphere</a> is about 1 <a href="/wiki/Part_per_million" class="mw-redirect" title="Part per million">ppm</a>. It can be extracted from liquid air by <a href="/wiki/Fractional_distillation" title="Fractional distillation">fractional distillation</a>.<a href="#cite_note-37">[37]</a> The amount of krypton in space is uncertain, because measurement is derived from meteoric activity and solar winds. The first measurements suggest an abundance of krypton in space.<a href="#cite_note-38">[38]</a> <div class="mw-heading mw-heading2"><h2 id="Applications">Applications</h2></div> <figure class="mw-default-size mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/File:KrTube.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/KrTube.jpg/220px-KrTube.jpg" decoding="async" width="220" height="220" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e7/KrTube.jpg/330px-KrTube.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e7/KrTube.jpg/440px-KrTube.jpg 2x" data-file-width="2000" data-file-height="2000" /></a><figcaption>Krypton gas discharge tube</figcaption></figure> Krypton's multiple emission lines make ionized krypton gas discharges appear whitish, which in turn makes krypton-based bulbs useful in photography as a white light source. Krypton is used in some photographic flashes for high speed <a href="/wiki/Photography" title="Photography">photography</a>. Krypton gas is also combined with mercury to make luminous signs that glow with a bright greenish-blue light.<a href="#cite_note-39">[39]</a> Krypton is mixed with <a href="/wiki/Argon" title="Argon">argon</a> in energy efficient fluorescent lamps, reducing the power consumption, but also reducing the light output and raising the cost.<a href="#cite_note-40">[40]</a> Krypton costs about 100 times as much as argon. Krypton (along with xenon) is also used to fill incandescent lamps to reduce filament evaporation and allow higher <a href="/wiki/Operating_temperature" title="Operating temperature">operating temperatures</a>.<a href="#cite_note-41">[41]</a> Krypton's white discharge is sometimes used as an artistic effect in gas discharge "neon" tubes. Krypton produces much higher light power than neon in the red spectral line region, and for this reason, red lasers for high-power laser light-shows are often krypton lasers with mirrors that select the red spectral line for laser amplification and emission, rather than the more familiar helium-neon variety, which could not achieve the same multi-watt outputs.<a href="#cite_note-42">[42]</a> The <a href="/wiki/Krypton_fluoride_laser" title="Krypton fluoride laser">krypton fluoride laser</a> is important in nuclear fusion energy research in confinement experiments. The <a href="/wiki/Laser" title="Laser">laser</a> has high beam uniformity, short <a href="/wiki/Wavelength" title="Wavelength">wavelength</a>, and the spot size can be varied to track an imploding pellet.<a href="#cite_note-43">[43]</a> In experimental <a href="/wiki/Particle_physics" title="Particle physics">particle physics</a>, liquid krypton is used to construct quasi-homogeneous electromagnetic <a href="/wiki/Calorimeter_(particle_physics)" title="Calorimeter (particle physics)">calorimeters</a>. A notable example is the calorimeter of the <a href="/wiki/NA48" class="mw-redirect" title="NA48">NA48</a> experiment at <a href="/wiki/CERN" title="CERN">CERN</a> containing about 27 <a href="/wiki/Tonne" title="Tonne">tonnes</a> of liquid krypton. This usage is rare, since liquid <a href="/wiki/Argon" title="Argon">argon</a> is less expensive. The advantage of krypton is a smaller <a href="/wiki/Moli%C3%A8re_radius" title="Molière radius">Molière radius</a> of 4.7 cm, which provides excellent spatial resolution with little overlapping. The other parameters relevant for calorimetry are: <a href="/wiki/Radiation_length" title="Radiation length">radiation length</a> of X0=4.7 cm, and density of 2.4 g/cm3. Krypton-83 has application in <a href="/wiki/Magnetic_resonance_imaging" title="Magnetic resonance imaging">magnetic resonance imaging</a> (MRI) for imaging airways. In particular, it enables the radiologist to distinguish between <a href="/wiki/Hydrophobe" title="Hydrophobe">hydrophobic</a> and hydrophilic surfaces containing an airway.<a href="#cite_note-Pavlovskaya-44">[44]</a> Although xenon has potential for use in <a href="/wiki/Computed_tomography" class="mw-redirect" title="Computed tomography">computed tomography</a> (CT) to assess regional ventilation, its anesthetic properties limit its fraction in the breathing gas to 35%. A breathing mixture of 30% xenon and 30% krypton is comparable in effectiveness for CT to a 40% xenon fraction, while avoiding the unwanted effects of a high partial pressure of xenon gas.<a href="#cite_note-45">[45]</a> The <a href="/wiki/Metastable_isotope" class="mw-redirect" title="Metastable isotope">metastable isotope</a> krypton-81m is used in <a href="/wiki/Nuclear_medicine" title="Nuclear medicine">nuclear medicine</a> for lung <a href="/wiki/Ventilation/perfusion_scan" title="Ventilation/perfusion scan">ventilation/perfusion scans</a>, where it is inhaled and imaged with a <a href="/wiki/Gamma_camera" title="Gamma camera">gamma camera</a>.<a href="#cite_note-46">[46]</a> Krypton-85 in the atmosphere has been used to detect clandestine nuclear fuel reprocessing facilities in <a href="/wiki/North_Korea" title="North Korea">North Korea</a><a href="#cite_note-47">[47]</a> and <a href="/wiki/Pakistan" title="Pakistan">Pakistan</a>.<a href="#cite_note-48">[48]</a> Those facilities were detected in the early 2000s and were believed to be producing weapons-grade plutonium. Krypton-85 is a medium lived <a href="/wiki/Fission_product" class="mw-redirect" title="Fission product">fission product</a> and thus escapes from <a href="/wiki/Spent_fuel" class="mw-redirect" title="Spent fuel">spent fuel</a> when the cladding is removed.<a href="#cite_note-49">[49]</a> Krypton is used occasionally as an insulating gas between window panes.<a href="#cite_note-50">[50]</a> <a href="/wiki/SpaceX" title="SpaceX">SpaceX</a> <a href="/wiki/Starlink" title="Starlink">Starlink</a> uses krypton as a propellant for their <a href="/wiki/Hall-effect_thruster" title="Hall-effect thruster">electric propulsion system</a>.<a href="#cite_note-51">[51]</a> <div class="mw-heading mw-heading2"><h2 id="Precautions">Precautions</h2></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:The_Meyer-Overton_correlation.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/The_Meyer-Overton_correlation.png/240px-The_Meyer-Overton_correlation.png" decoding="async" width="240" height="205" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/46/The_Meyer-Overton_correlation.png/360px-The_Meyer-Overton_correlation.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/46/The_Meyer-Overton_correlation.png/480px-The_Meyer-Overton_correlation.png 2x" data-file-width="2338" data-file-height="1996" /></a><figcaption>Krypton compared to other anaesthetic gases (minimum alveolar concentration is an inverse indicator of potency)</figcaption></figure> Krypton is considered to be a non-toxic <a href="/wiki/Asphyxiant_gas" title="Asphyxiant gas">asphyxiant</a>.<a href="#cite_note-52">[52]</a> Being <a href="/wiki/Lipophilic" class="mw-redirect" title="Lipophilic">lipophilic</a>, krypton has a significant anaesthetic effect (although the mechanism of this phenomenon is still <a href="/wiki/Theories_of_general_anaesthetic_action" title="Theories of general anaesthetic action">not fully clear</a>,<a href="#cite_note-53">[53]</a> there is good evidence that the two properties are mechanistically related), with <a href="/wiki/Nitrogen_narcosis#Causes" title="Nitrogen narcosis">narcotic potency</a> seven times greater than air, and breathing an atmosphere of 50% krypton and 50% natural air (as might happen in the locality of a leak) causes <a href="/wiki/Narcosis_(disambiguation)" class="mw-redirect mw-disambig" title="Narcosis (disambiguation)">narcosis</a> in humans similar to breathing air at four times atmospheric pressure. This is comparable to scuba diving at a depth of 30 m (100 ft) and could affect anyone breathing it. <style data-mw-deduplicate="TemplateStyles:r1130092004">.mw-parser-output .portal-bar{font-size:88%;font-weight:bold;display:flex;justify-content:center;align-items:baseline}.mw-parser-output .portal-bar-bordered{padding:0 2em;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em auto 0}.mw-parser-output .portal-bar-related{font-size:100%;justify-content:flex-start}.mw-parser-output .portal-bar-unbordered{padding:0 1.7em;margin-left:0}.mw-parser-output .portal-bar-header{margin:0 1em 0 0.5em;flex:0 0 auto;min-height:24px}.mw-parser-output .portal-bar-content{display:flex;flex-flow:row wrap;flex:0 1 auto;padding:0.15em 0;column-gap:1em;align-items:baseline;margin:0;list-style:none}.mw-parser-output .portal-bar-content-related{margin:0;list-style:none}.mw-parser-output .portal-bar-item{display:inline-block;margin:0.15em 0.2em;min-height:24px;line-height:24px}@media 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.sister-bar{display:flex;justify-content:center;align-items:baseline;font-size:88%;background-color:#fdfdfd;border:1px solid #a2a9b1;clear:both;margin:1em 0 0;padding:0 2em}.mw-parser-output .sister-bar-header{margin:0 1em 0 0.5em;padding:0.2em 0;flex:0 0 auto;min-height:24px;line-height:22px}.mw-parser-output .sister-bar-content{display:flex;flex-flow:row wrap;flex:0 1 auto;align-items:baseline;padding:0.2em 0;column-gap:1em;margin:0;list-style:none}.mw-parser-output .sister-bar-item{display:flex;align-items:baseline;margin:0.15em 0;min-height:24px;text-align:left}.mw-parser-output .sister-bar-logo{width:22px;line-height:22px;margin:0 0.2em;text-align:right}.mw-parser-output .sister-bar-link{margin:0 0.2em;text-align:left}@media screen and (max-width:960px){.mw-parser-output .sister-bar{flex-flow:column wrap;margin:1em auto 0}.mw-parser-output .sister-bar-header{flex:0 1}.mw-parser-output .sister-bar-content{flex:1;border-top:1px solid #a2a9b1;margin:0;list-style:none}.mw-parser-output .sister-bar-item{flex:0 0 20em;min-width:20em}}.mw-parser-output .navbox+link+.sister-bar,.mw-parser-output .navbox+style+.sister-bar,.mw-parser-output .portal-bar+link+.sister-bar,.mw-parser-output .portal-bar+style+.sister-bar,.mw-parser-output .sister-bar+.navbox-styles+.navbox,.mw-parser-output .sister-bar+.navbox-styles+.portal-bar{margin-top:-1px}@media print{body.ns-0 .mw-parser-output .sister-bar{display:none!important}}</style><div class="noprint metadata sister-bar" role="navigation" aria-label="sister-projects"><div class="sister-bar-header">Krypton at Wikipedia's <a href="/wiki/Wikipedia:Wikimedia_sister_projects" title="Wikipedia:Wikimedia sister projects">sister projects</a>:</div><ul class="sister-bar-content"><li class="sister-bar-item"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/19px-Wiktionary-logo-v2.svg.png" decoding="async" width="19" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/29px-Wiktionary-logo-v2.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/0/06/Wiktionary-logo-v2.svg/38px-Wiktionary-logo-v2.svg.png 2x" data-file-width="391" data-file-height="391" /><a href="https://en.wiktionary.org/wiki/krypton" class="extiw" title="wikt:krypton">Definitions</a> from Wiktionary</li><li class="sister-bar-item"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/14px-Commons-logo.svg.png" decoding="async" width="14" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/21px-Commons-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/4/4a/Commons-logo.svg/28px-Commons-logo.svg.png 2x" data-file-width="1024" data-file-height="1376" /><a href="https://commons.wikimedia.org/wiki/Krypton" class="extiw" title="c:Krypton">Media</a> from Commons</li><li class="sister-bar-item"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/19px-Wikibooks-logo.svg.png" decoding="async" width="19" height="19" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/29px-Wikibooks-logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/Wikibooks-logo.svg/38px-Wikibooks-logo.svg.png 2x" data-file-width="300" data-file-height="300" /><a href="https://en.wikibooks.org/wiki/Wikijunior:The_Elements/Krypton" class="extiw" title="b:Wikijunior:The Elements/Krypton">Textbooks</a> from Wikibooks</li><li class="sister-bar-item"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017.svg/21px-Wikiversity_logo_2017.svg.png" decoding="async" width="21" height="17" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017.svg/32px-Wikiversity_logo_2017.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0b/Wikiversity_logo_2017.svg/42px-Wikiversity_logo_2017.svg.png 2x" data-file-width="626" data-file-height="512" /><a href="https://en.wikiversity.org/wiki/Krypton_atom" class="extiw" title="v:Krypton atom">Resources</a> from Wikiversity</li></ul></div> <div class="mw-heading mw-heading2"><h2 id="References">References</h2></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist reflist-columns references-column-width" style="column-width: 30em;"> <ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.ciaaw.org/krypton.htm">"Standard Atomic Weights: Krypton"</a>. <a href="/wiki/Commission_on_Isotopic_Abundances_and_Atomic_Weights" title="Commission on Isotopic Abundances and Atomic 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H.; Gröning, Manfred; Holden, Norman E.; Meijer, Harro A. J. (2022-05-04). <a rel="nofollow" class="external text" href="https://www.degruyter.com/document/doi/10.1515/pac-2019-0603/html">"Standard atomic weights of the elements 2021 (IUPAC Technical Report)"</a>. 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Archived from <a rel="nofollow" class="external text" href="http://www.highbeam.com/doc/1P1-29474075.html">the original</a> on 2016-10-18. Retrieved 2015-05-01.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=CBS+Evening+News+with+Dan+Rather&rft.atitle=U.S.+Intelligence+Find+Evidence+of+Pakistan+Producing+Nuclear+Weapons%2C+CBS&rft.date=2000-03-16&rft.aulast=Bradley&rft.aufirst=Ed&rft.au=Martin%2C+David&rft_id=http%3A%2F%2Fwww.highbeam.com%2Fdoc%2F1P1-29474075.html&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKrypton" class="Z3988"> </li> <li id="cite_note-49"><a href="#cite_ref-49">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFRóżański1979" class="citation journal cs1">Różański, K. (1979-01-01). <a rel="nofollow" class="external text" href="https://dx.doi.org/10.1016/0160-4120%2879%2990071-0">"Krypton-85 in the atmosphere 1950–1977: a data review"</a>. Environment International. 2 (3): 139–143. <a href="/wiki/Bibcode_(identifier)" class="mw-redirect" title="Bibcode (identifier)">Bibcode</a>:<a rel="nofollow" class="external text" href="https://ui.adsabs.harvard.edu/abs/1979EnInt...2..139R">1979EnInt...2..139R</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2F0160-4120%2879%2990071-0">10.1016/0160-4120(79)90071-0</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0160-4120">0160-4120</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Environment+International&rft.atitle=Krypton-85+in+the+atmosphere+1950%E2%80%931977%3A+a+data+review&rft.volume=2&rft.issue=3&rft.pages=139-143&rft.date=1979-01-01&rft.issn=0160-4120&rft_id=info%3Adoi%2F10.1016%2F0160-4120%2879%2990071-0&rft_id=info%3Abibcode%2F1979EnInt...2..139R&rft.aulast=R%C3%B3%C5%BCa%C5%84ski&rft.aufirst=K.&rft_id=https%3A%2F%2Fdx.doi.org%2F10.1016%2F0160-4120%252879%252990071-0&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKrypton" class="Z3988"> </li> <li id="cite_note-50"><a href="#cite_ref-50">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFAyre2018" class="citation web cs1">Ayre, James (2018-04-28). <a rel="nofollow" class="external text" href="https://cleantechnica.com/2018/04/28/insulated-windows-101-double-glazing-triple-glazing-thermal-performance-potential-problems/">"Insulated Windows 101 — Double Glazing, Triple Glazing, Thermal Performance, & Potential Problems"</a>. <a href="/wiki/Cleantechnica.com" class="mw-redirect" title="Cleantechnica.com">cleantechnica.com</a>. Retrieved 17 May 2018.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=cleantechnica.com&rft.atitle=Insulated+Windows+101+%E2%80%94+Double+Glazing%2C+Triple+Glazing%2C+Thermal+Performance%2C+%26+Potential+Problems&rft.date=2018-04-28&rft.aulast=Ayre&rft.aufirst=James&rft_id=https%3A%2F%2Fcleantechnica.com%2F2018%2F04%2F28%2Finsulated-windows-101-double-glazing-triple-glazing-thermal-performance-potential-problems%2F&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKrypton" class="Z3988"> </li> <li id="cite_note-51"><a href="#cite_ref-51">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFSpaceX2019" class="citation web cs1">SpaceX (23 May 2019). <a rel="nofollow" class="external text" href="https://www.youtube.com/watch?v=riBaVeDTEWI&t=430">"Starlink Mission"</a>. <a href="/wiki/YouTube" title="YouTube">YouTube</a>. Event occurs at 7:10. <a rel="nofollow" class="external text" href="https://ghostarchive.org/varchive/youtube/20211103/riBaVeDTEWI">Archived</a> from the original on 2021-11-03.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=YouTube&rft.atitle=Starlink+Mission&rft.date=2019-05-23&rft.au=SpaceX&rft_id=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DriBaVeDTEWI%26t%3D430&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKrypton" class="Z3988"> </li> <li id="cite_note-52"><a href="#cite_ref-52">^</a> <a rel="nofollow" class="external text" href="http://pt.chemicalstore.com/Kr%20-%20Krypton.html">Properties of Krypton</a> <a rel="nofollow" class="external text" href="https://web.archive.org/web/20090219024551/http://pt.chemicalstore.com/Kr%20-%20Krypton.html">Archived</a> 2009-02-19 at the <a href="/wiki/Wayback_Machine" title="Wayback Machine">Wayback Machine</a>. Pt.chemicalstore.com. Retrieved on 2015-11-30. </li> <li id="cite_note-53"><a href="#cite_ref-53">^</a> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKennedyStokesDowning1992" class="citation journal cs1">Kennedy, R. R.; Stokes, J. W.; Downing, P. (February 1992). <a rel="nofollow" class="external text" href="https://doi.org/10.1177%2F0310057X9202000113">"Anaesthesia and the 'Inert' Gases with Special Reference to Xenon"</a>. Anaesthesia and Intensive Care. 20 (1): 66–70. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1177%2F0310057X9202000113">10.1177/0310057X9202000113</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0310-057X">0310-057X</a>. <a href="/wiki/PMID_(identifier)" class="mw-redirect" title="PMID (identifier)">PMID</a> <a rel="nofollow" class="external text" href="https://pubmed.ncbi.nlm.nih.gov/1319119">1319119</a>. <a href="/wiki/S2CID_(identifier)" class="mw-redirect" title="S2CID (identifier)">S2CID</a> <a rel="nofollow" class="external text" href="https://api.semanticscholar.org/CorpusID:29886337">29886337</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Anaesthesia+and+Intensive+Care&rft.atitle=Anaesthesia+and+the+%27Inert%27+Gases+with+Special+Reference+to+Xenon&rft.volume=20&rft.issue=1&rft.pages=66-70&rft.date=1992-02&rft.issn=0310-057X&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A29886337%23id-name%3DS2CID&rft_id=info%3Apmid%2F1319119&rft_id=info%3Adoi%2F10.1177%2F0310057X9202000113&rft.aulast=Kennedy&rft.aufirst=R.+R.&rft.au=Stokes%2C+J.+W.&rft.au=Downing%2C+P.&rft_id=https%3A%2F%2Fdoi.org%2F10.1177%252F0310057X9202000113&rfr_id=info%3Asid%2Fen.wikipedia.org%3AKrypton" class="Z3988"> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Further_reading">Further reading</h2></div> <ul><li>William P. Kirk <a rel="nofollow" class="external text" href="http://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=9100FW8L.txt">"Krypton 85: a Review of the Literature and an Analysis of Radiation Hazards"</a>, Environmental Protection Agency, Office of Research and Monitoring, Washington (1972)</li></ul> <div class="mw-heading mw-heading2"><h2 id="External_links">External links</h2></div> <ul><li><a rel="nofollow" class="external text" href="http://www.periodicvideos.com/videos/036.htm">Krypton</a> at <a href="/wiki/The_Periodic_Table_of_Videos" class="mw-redirect" title="The Periodic Table of Videos">The Periodic Table of Videos</a> (University of Nottingham)</li> <li><a rel="nofollow" class="external text" href="https://web.archive.org/web/20070203205901/http://other.nrl.navy.mil/LaserFusionEnergy/lasercreation.htm">Krypton Fluoride Lasers</a>, Plasma Physics Division Naval Research Laboratory</li></ul> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><style data-mw-deduplicate="TemplateStyles:r1236075235">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output .navbox-inner,.mw-parser-output .navbox-subgroup{width:100%}.mw-parser-output .navbox-group,.mw-parser-output .navbox-title,.mw-parser-output .navbox-abovebelow{padding:0.25em 1em;line-height:1.5em;text-align:center}.mw-parser-output .navbox-group{white-space:nowrap;text-align:right}.mw-parser-output .navbox,.mw-parser-output .navbox-subgroup{background-color:#fdfdfd}.mw-parser-output .navbox-list{line-height:1.5em;border-color:#fdfdfd}.mw-parser-output .navbox-list-with-group{text-align:left;border-left-width:2px;border-left-style:solid}.mw-parser-output tr+tr>.navbox-abovebelow,.mw-parser-output tr+tr>.navbox-group,.mw-parser-output tr+tr>.navbox-image,.mw-parser-output tr+tr>.navbox-list{border-top:2px solid #fdfdfd}.mw-parser-output .navbox-title{background-color:#ccf}.mw-parser-output .navbox-abovebelow,.mw-parser-output .navbox-group,.mw-parser-output .navbox-subgroup .navbox-title{background-color:#ddf}.mw-parser-output .navbox-subgroup .navbox-group,.mw-parser-output .navbox-subgroup .navbox-abovebelow{background-color:#e6e6ff}.mw-parser-output .navbox-even{background-color:#f7f7f7}.mw-parser-output .navbox-odd{background-color:transparent}.mw-parser-output .navbox .hlist td dl,.mw-parser-output .navbox .hlist td ol,.mw-parser-output .navbox .hlist td ul,.mw-parser-output .navbox td.hlist dl,.mw-parser-output .navbox td.hlist ol,.mw-parser-output .navbox td.hlist ul{padding:0.125em 0}.mw-parser-output .navbox .navbar{display:block;font-size:100%}.mw-parser-output .navbox-title .navbar{float:left;text-align:left;margin-right:0.5em}body.skin--responsive .mw-parser-output .navbox-image img{max-width:none!important}@media print{body.ns-0 .mw-parser-output .navbox{display:none!important}}</style></div><div role="navigation" class="navbox" aria-labelledby="Noble_gases" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Noble_gases" title="Template:Noble gases"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Noble_gases" title="Template talk:Noble gases"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Noble_gases" title="Special:EditPage/Template:Noble gases"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Noble_gases" style="font-size:114%;margin:0 4em"><a href="/wiki/Noble_gas" title="Noble gas">Noble gases</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd" style="width:100%;padding:0;background:transparent;color:inherit;"><div style="padding:0px"><table class="navbox-columns-table" style="border-spacing: 0px; text-align:left;width:auto; margin-left:auto; margin-right:auto;"><tbody><tr style="vertical-align:top"><td style="width:5em;">   </td><td class="navbox-list" style="padding:0px;text-align:center;width:14%;"><div> <a href="/wiki/Helium" title="Helium">Helium</a> He Atomic Number: 2 Atomic Weight: 4.002602 Melting Point: 0.95 K Boiling Point: 4.22 K Specific mass: 0.0001785 Electronegativity: ? </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;width:14%;"><div> <a href="/wiki/Neon" title="Neon">Neon</a> Ne Atomic Number: 10 Atomic Weight: 20.1797 Melting Point: 24.703 K Boiling Point: 27.07 K Specific mass: 0.0008999 Electronegativity: ? </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;width:14%;"><div> <a href="/wiki/Argon" title="Argon">Argon</a> Ar Atomic Number: 18 Atomic Weight: 39.948 Melting Point: 83.96 K Boiling Point: 87.30 K Specific mass: 0.0017837 Electronegativity: ? </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;width:14%;"><div> <a class="mw-selflink selflink">Krypton</a> Kr Atomic Number: 36 Atomic Weight: 83.798 Melting Point: 115.93 K Boiling Point: 119.93 K Specific mass: 0.003733 Electronegativity: 3 </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;width:14%;"><div> <a href="/wiki/Xenon" title="Xenon">Xenon</a> Xe Atomic Number: 54 Atomic Weight: 131.293 Melting Point: 161.45 K Boiling Point: 165.03 K Specific mass: 0.005887 Electronegativity: 2.6 </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;width:14%;"><div> <a href="/wiki/Radon" title="Radon">Radon</a> Rn Atomic Number: 86 Atomic Weight: [222] Melting Point: 202.15 K Boiling Point: 211.3 K Specific mass: 0.00973 Electronegativity: 2.2 </div></td><td class="navbox-list" style="border-left:2px solid #fdfdfd;padding:0px;text-align:center;width:14%;"><div> <a href="/wiki/Oganesson" title="Oganesson">Oganesson</a> Og Atomic Number: 118 Atomic Weight: [294] Melting Point: ? K Boiling Point: ? 350±30 K Specific mass: ? 13.65 Electronegativity: ? </div></td></tr></tbody></table></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div><a href="/wiki/Density" title="Density">Specific mass</a> is given in g/cm3.</div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox" aria-labelledby="Periodic_table" style="padding:3px"><table class="nowraplinks mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Periodic_table_(navbox)" title="Template:Periodic table (navbox)"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Periodic_table_(navbox)" title="Template talk:Periodic table (navbox)"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Periodic_table_(navbox)" title="Special:EditPage/Template:Periodic table (navbox)"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Periodic_table" style="font-size:114%;margin:0 4em"><a href="/wiki/Periodic_table" title="Periodic table">Periodic table</a></div></th></tr><tr><td colspan="2" class="navbox-list navbox-odd wraplinks" style="width:100%;padding:0"><div style="padding:0 0.25em"> <table style="table-layout:fixed; width:100%;" aria-describedby="periodic-table-legend"> <tbody><tr> <td style="line-height:100%;"> </td> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Alkali_metal" title="Alkali metal">1</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">2</a> </th> <td colspan="14"> </td> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_3_element" title="Group 3 element">3</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_4_element" title="Group 4 element">4</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_5_element" title="Group 5 element">5</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_6_element" title="Group 6 element">6</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_7_element" title="Group 7 element">7</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_8_element" title="Group 8 element">8</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_9_element" title="Group 9 element">9</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_10_element" title="Group 10 element">10</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_11_element" title="Group 11 element">11</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Group_12_element" title="Group 12 element">12</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Boron_group" title="Boron group">13</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Carbon_group" title="Carbon group">14</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Pnictogen" title="Pnictogen">15</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Chalcogen" title="Chalcogen">16</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Halogen" title="Halogen">17</a> </th> <th scope="col" style="background:transparent; font-weight:normal;"><a href="/wiki/Noble_gas" title="Noble gas">18</a> </th></tr> <tr> <th scope="row" style="background:transparent; font-weight:normal;"><a href="/wiki/Period_1_element" title="Period 1 element">1</a> </th> <td title="H, Hydrogen" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Hydrogen" title="Hydrogen">H</a> </td> <td colspan="30"> </td> <td title="He, Helium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Helium" title="Helium">He</a> </td></tr> <tr> <th scope="row" style="background:transparent; font-weight:normal;"><a href="/wiki/Period_2_element" title="Period 2 element">2</a> </th> <td title="Li, Lithium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Lithium" title="Lithium">Li</a> </td> <td title="Be, Beryllium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Beryllium" title="Beryllium">Be</a> </td> <td colspan="24"> </td> <td title="B, Boron" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Boron" title="Boron">B</a> </td> <td title="C, Carbon" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Carbon" title="Carbon">C</a> </td> <td title="N, Nitrogen" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Nitrogen" title="Nitrogen">N</a> </td> <td title="O, Oxygen" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Oxygen" title="Oxygen">O</a> </td> <td title="F, Fluorine" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Fluorine" title="Fluorine">F</a> </td> <td title="Ne, Neon" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Neon" title="Neon">Ne</a> </td></tr> <tr> <th scope="row" style="background:transparent; font-weight:normal;"><a href="/wiki/Period_3_element" title="Period 3 element">3</a> </th> <td title="Na, Sodium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Sodium" title="Sodium">Na</a> </td> <td title="Mg, Magnesium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Magnesium" title="Magnesium">Mg</a> </td> <td colspan="24"> </td> <td title="Al, Aluminium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Aluminium" title="Aluminium">Al</a> </td> <td title="Si, Silicon" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Silicon" title="Silicon">Si</a> </td> <td title="P, Phosphorus" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Phosphorus" title="Phosphorus">P</a> </td> <td title="S, Sulfur" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Sulfur" title="Sulfur">S</a> </td> <td title="Cl, Chlorine" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Chlorine" title="Chlorine">Cl</a> </td> <td title="Ar, Argon" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Argon" title="Argon">Ar</a> </td></tr> <tr> <th scope="row" style="background:transparent; font-weight:normal;"><a href="/wiki/Period_4_element" title="Period 4 element">4</a> </th> <td title="K, Potassium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Potassium" title="Potassium">K</a> </td> <td title="Ca, Calcium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Calcium" title="Calcium">Ca</a> </td> <td colspan="14"> </td> <td title="Sc, Scandium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Scandium" title="Scandium">Sc</a> </td> <td title="Ti, Titanium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Titanium" title="Titanium">Ti</a> </td> <td title="V, Vanadium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Vanadium" title="Vanadium">V</a> </td> <td title="Cr, Chromium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Chromium" title="Chromium">Cr</a> </td> <td title="Mn, Manganese" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Manganese" title="Manganese">Mn</a> </td> <td title="Fe, Iron" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Iron" title="Iron">Fe</a> </td> <td title="Co, Cobalt" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Cobalt" title="Cobalt">Co</a> </td> <td title="Ni, Nickel" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Nickel" title="Nickel">Ni</a> </td> <td title="Cu, Copper" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Copper" title="Copper">Cu</a> </td> <td title="Zn, Zinc" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Zinc" title="Zinc">Zn</a> </td> <td title="Ga, Gallium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Gallium" title="Gallium">Ga</a> </td> <td title="Ge, Germanium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Germanium" title="Germanium">Ge</a> </td> <td title="As, Arsenic" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Arsenic" title="Arsenic">As</a> </td> <td title="Se, Selenium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Selenium" title="Selenium">Se</a> </td> <td title="Br, Bromine" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Bromine" title="Bromine">Br</a> </td> <td title="Kr, Krypton" style="text-align:center; background-color:#fdff8c; border:3px solid black; ;"><a class="mw-selflink selflink">Kr</a> </td></tr> <tr> <th scope="row" style="background:transparent; font-weight:normal;"><a href="/wiki/Period_5_element" title="Period 5 element">5</a> </th> <td title="Rb, Rubidium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Rubidium" title="Rubidium">Rb</a> </td> <td title="Sr, Strontium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Strontium" title="Strontium">Sr</a> </td> <td colspan="14"> </td> <td title="Y, Yttrium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Yttrium" title="Yttrium">Y</a> </td> <td title="Zr, Zirconium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Zirconium" title="Zirconium">Zr</a> </td> <td title="Nb, Niobium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Niobium" title="Niobium">Nb</a> </td> <td title="Mo, Molybdenum" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Molybdenum" title="Molybdenum">Mo</a> </td> <td title="Tc, Technetium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Technetium" title="Technetium">Tc</a> </td> <td title="Ru, Ruthenium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Ruthenium" title="Ruthenium">Ru</a> </td> <td title="Rh, Rhodium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Rhodium" title="Rhodium">Rh</a> </td> <td title="Pd, Palladium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Palladium" title="Palladium">Pd</a> </td> <td title="Ag, Silver" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Silver" title="Silver">Ag</a> </td> <td title="Cd, Cadmium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Cadmium" title="Cadmium">Cd</a> </td> <td title="In, Indium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Indium" title="Indium">In</a> </td> <td title="Sn, Tin" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Tin" title="Tin">Sn</a> </td> <td title="Sb, Antimony" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Antimony" title="Antimony">Sb</a> </td> <td title="Te, Tellurium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Tellurium" title="Tellurium">Te</a> </td> <td title="I, Iodine" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Iodine" title="Iodine">I</a> </td> <td title="Xe, Xenon" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Xenon" title="Xenon">Xe</a> </td></tr> <tr> <th scope="row" style="background:transparent; font-weight:normal;"><a href="/wiki/Period_6_element" title="Period 6 element">6</a> </th> <td title="Cs, Caesium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Caesium" title="Caesium">Cs</a> </td> <td title="Ba, Barium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Barium" title="Barium">Ba</a> </td> <td title="La, Lanthanum" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Lanthanum" title="Lanthanum">La</a> </td> <td title="Ce, Cerium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Cerium" title="Cerium">Ce</a> </td> <td title="Pr, Praseodymium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Praseodymium" title="Praseodymium">Pr</a> </td> <td title="Nd, Neodymium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Neodymium" title="Neodymium">Nd</a> </td> <td title="Pm, Promethium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Promethium" title="Promethium">Pm</a> </td> <td title="Sm, Samarium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Samarium" title="Samarium">Sm</a> </td> <td title="Eu, Europium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Europium" title="Europium">Eu</a> </td> <td title="Gd, Gadolinium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Gadolinium" title="Gadolinium">Gd</a> </td> <td title="Tb, Terbium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Terbium" title="Terbium">Tb</a> </td> <td title="Dy, Dysprosium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Dysprosium" title="Dysprosium">Dy</a> </td> <td title="Ho, Holmium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Holmium" title="Holmium">Ho</a> </td> <td title="Er, Erbium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Erbium" title="Erbium">Er</a> </td> <td title="Tm, Thulium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Thulium" title="Thulium">Tm</a> </td> <td title="Yb, Ytterbium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a> </td> <td title="Lu, Lutetium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Lutetium" title="Lutetium">Lu</a> </td> <td title="Hf, Hafnium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Hafnium" title="Hafnium">Hf</a> </td> <td title="Ta, Tantalum" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Tantalum" title="Tantalum">Ta</a> </td> <td title="W, Tungsten" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Tungsten" title="Tungsten">W</a> </td> <td title="Re, Rhenium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Rhenium" title="Rhenium">Re</a> </td> <td title="Os, Osmium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Osmium" title="Osmium">Os</a> </td> <td title="Ir, Iridium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Iridium" title="Iridium">Ir</a> </td> <td title="Pt, Platinum" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Platinum" title="Platinum">Pt</a> </td> <td title="Au, Gold" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Gold" title="Gold">Au</a> </td> <td title="Hg, Mercury" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a> </td> <td title="Tl, Thallium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Thallium" title="Thallium">Tl</a> </td> <td title="Pb, Lead" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Lead" title="Lead">Pb</a> </td> <td title="Bi, Bismuth" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Bismuth" title="Bismuth">Bi</a> </td> <td title="Po, Polonium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Polonium" title="Polonium">Po</a> </td> <td title="At, Astatine" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Astatine" title="Astatine">At</a> </td> <td title="Rn, Radon" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Radon" title="Radon">Rn</a> </td></tr> <tr> <th scope="row" style="background:transparent; font-weight:normal;"><a href="/wiki/Period_7_element" title="Period 7 element">7</a> </th> <td title="Fr, Francium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Francium" title="Francium">Fr</a> </td> <td title="Ra, Radium" style="text-align:center; background-color:#ff9999; border:none; ;"><a href="/wiki/Radium" title="Radium">Ra</a> </td> <td title="Ac, Actinium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Actinium" title="Actinium">Ac</a> </td> <td title="Th, Thorium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Thorium" title="Thorium">Th</a> </td> <td title="Pa, Protactinium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Protactinium" title="Protactinium">Pa</a> </td> <td title="U, Uranium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Uranium" title="Uranium">U</a> </td> <td title="Np, Neptunium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Neptunium" title="Neptunium">Np</a> </td> <td title="Pu, Plutonium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Plutonium" title="Plutonium">Pu</a> </td> <td title="Am, Americium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Americium" title="Americium">Am</a> </td> <td title="Cm, Curium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Curium" title="Curium">Cm</a> </td> <td title="Bk, Berkelium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Berkelium" title="Berkelium">Bk</a> </td> <td title="Cf, Californium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Californium" title="Californium">Cf</a> </td> <td title="Es, Einsteinium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Einsteinium" title="Einsteinium">Es</a> </td> <td title="Fm, Fermium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Fermium" title="Fermium">Fm</a> </td> <td title="Md, Mendelevium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Mendelevium" title="Mendelevium">Md</a> </td> <td title="No, Nobelium" style="text-align:center; background-color:#9bff99; border:none; ;"><a href="/wiki/Nobelium" title="Nobelium">No</a> </td> <td title="Lr, Lawrencium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Lawrencium" title="Lawrencium">Lr</a> </td> <td title="Rf, Rutherfordium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rf</a> </td> <td title="Db, Dubnium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Dubnium" title="Dubnium">Db</a> </td> <td title="Sg, Seaborgium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Seaborgium" title="Seaborgium">Sg</a> </td> <td title="Bh, Bohrium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Bohrium" title="Bohrium">Bh</a> </td> <td title="Hs, Hassium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Hassium" title="Hassium">Hs</a> </td> <td title="Mt, Meitnerium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Meitnerium" title="Meitnerium">Mt</a> </td> <td title="Ds, Darmstadtium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Darmstadtium" title="Darmstadtium">Ds</a> </td> <td title="Rg, Roentgenium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Roentgenium" title="Roentgenium">Rg</a> </td> <td title="Cn, Copernicium" style="text-align:center; background-color:#99ccff; border:none; ;"><a href="/wiki/Copernicium" title="Copernicium">Cn</a> </td> <td title="Nh, Nihonium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Nihonium" title="Nihonium">Nh</a> </td> <td title="Fl, Flerovium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Flerovium" title="Flerovium">Fl</a> </td> <td title="Mc, Moscovium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Moscovium" title="Moscovium">Mc</a> </td> <td title="Lv, Livermorium" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Livermorium" title="Livermorium">Lv</a> </td> <td title="Ts, Tennessine" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Tennessine" title="Tennessine">Ts</a> </td> <td title="Og, Oganesson" style="text-align:center; background-color:#fdff8c; border:none; ;"><a href="/wiki/Oganesson" title="Oganesson">Og</a> </td></tr></tbody></table> </div></td></tr><tr><td colspan="2" class="navbox-list navbox-even wraplinks" style="width:100%;padding:0"><div style="padding:0 0.25em"><div role="presentation" id="periodic-table-legend" style="border: 1px solid #a2a9b1; width:100%; line-height:120%; text-align:center; vertical-align:top; background:#f8f8f8; margin:0; margin:0;"><div style="padding:0.3em;"> <table style="width:100%; line-height:1.2em; table-layout:fixed; overflow:hidden; text-align:center;"> <tbody><tr> <td style="padding:0 1px; background:#ff9999;"><a href="/wiki/S-block" class="mw-redirect" title="S-block">s-block</a> </td> <td style="padding:0 1px; background:#9bff99;"><a href="/wiki/F-block" class="mw-redirect" title="F-block">f-block</a> </td> <td style="padding:0 1px; background:#99ccff;"><a href="/wiki/D-block" class="mw-redirect" title="D-block">d-block</a> </td> <td style="padding:0 1px; background:#fdff8c;"><a href="/wiki/P-block" class="mw-redirect" title="P-block">p-block</a> </td></tr></tbody></table> </div> </div></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"></div><div role="navigation" class="navbox authority-control" aria-labelledby="Authority_control_databases_frameless&#124;text-top&#124;10px&#124;alt=Edit_this_at_Wikidata&#124;link=https&#58;//www.wikidata.org/wiki/Q888#identifiers&#124;class=noprint&#124;Edit_this_at_Wikidata" style="padding:3px"><table class="nowraplinks hlist mw-collapsible autocollapse navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2"><div 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/></a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">International</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 rel="nofollow" class="external text" href="http://id.worldcat.org/fast/989199/">FAST</a></li></ul></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">National</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 rel="nofollow" class="external text" href="https://d-nb.info/gnd/4165832-2">Germany</a></li><li><a rel="nofollow" class="external text" href="https://id.loc.gov/authorities/sh85073327">United States</a></li><li><a rel="nofollow" class="external text" href="https://catalogue.bnf.fr/ark:/12148/cb119666366">France</a></li><li><a rel="nofollow" class="external text" href="https://data.bnf.fr/ark:/12148/cb119666366">BnF data</a></li><li><a rel="nofollow" class="external text" href="https://id.ndl.go.jp/auth/ndlna/00567028">Japan</a></li><li><a rel="nofollow" class="external text" href="http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?action=display&authority_id=XX534609">Spain</a></li><li><a rel="nofollow" class="external text" href="http://olduli.nli.org.il/F/?func=find-b&local_base=NLX10&find_code=UID&request=987007548341105171">Israel</a></li></ul></div></td></tr></tbody></table></div> <div class="navbox-styles"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1236075235"><style data-mw-deduplicate="TemplateStyles:r1123817410">.mw-parser-output .template-chem2-su{display:inline-block;font-size:80%;line-height:1;vertical-align:-0.35em}.mw-parser-output .template-chem2-su>span{display:block;text-align:left}.mw-parser-output sub.template-chem2-sub{font-size:80%;vertical-align:-0.35em}.mw-parser-output sup.template-chem2-sup{font-size:80%;vertical-align:0.65em}</style></div><div role="navigation" class="navbox" aria-labelledby="Noble_gas_compounds" style="padding:3px"><table class="nowraplinks mw-collapsible mw-collapsed navbox-inner" style="border-spacing:0;background:transparent;color:inherit"><tbody><tr><th scope="col" class="navbox-title" colspan="2" style="background: #c0ffff"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1129693374"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1239400231"><div class="navbar plainlinks hlist navbar-mini"><ul><li class="nv-view"><a href="/wiki/Template:Noble_gas_compounds" title="Template:Noble gas compounds"><abbr title="View this template">v</abbr></a></li><li class="nv-talk"><a href="/wiki/Template_talk:Noble_gas_compounds" title="Template talk:Noble gas compounds"><abbr title="Discuss this template">t</abbr></a></li><li class="nv-edit"><a href="/wiki/Special:EditPage/Template:Noble_gas_compounds" title="Special:EditPage/Template:Noble gas compounds"><abbr title="Edit this template">e</abbr></a></li></ul></div><div id="Noble_gas_compounds" style="font-size:114%;margin:0 4em"><a href="/wiki/Noble_gas_compound" title="Noble gas compound">Noble gas compounds</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Helium_compounds" title="Helium compounds">Helium compounds</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Helium_hydride_ion" title="Helium hydride ion">HeH+</a></li> <li><a href="/wiki/Helium_difluoride" class="mw-redirect" title="Helium difluoride">HeF2</a></li> <li><a href="/wiki/Lithium_helium" class="mw-redirect" title="Lithium helium">LiHe</a></li> <li><a href="/wiki/Disodium_helide" title="Disodium helide">Na2He</a></li> <li><a href="/wiki/Helium_dimer" title="Helium dimer">He2</a></li> <li><a href="/wiki/Helium_trimer" title="Helium trimer">He3</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Neon_compounds" title="Neon compounds">Neon compounds</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Neonium" class="mw-redirect" title="Neonium">NeH+</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Argon_compounds" title="Argon compounds">Argon compounds</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Argonium" title="Argonium">ArH+</a></li> <li><a href="/wiki/Argon_fluorohydride" title="Argon fluorohydride">HArF</a></li> <li><a href="/wiki/Magnesium_argide" title="Magnesium argide">MgAr+</a></li> <li><a href="/wiki/Argon#Compounds" title="Argon">ArCF2+ 2</a></li> <li><a href="/wiki/Argon#Compounds" title="Argon">Ar(H2)2</a></li> <li><a href="/wiki/Diargon" title="Diargon">Ar2</a></li> <li><a href="/wiki/Argon_fluoride_laser" title="Argon fluoride laser">ArF</a></li> <li><a href="/wiki/Argon_difluoride" class="mw-redirect" title="Argon difluoride">ArF2</a></li> <li><a href="/wiki/Organoargon_chemistry" class="mw-redirect" title="Organoargon chemistry">Organoargon compounds</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Krypton_compounds" class="mw-redirect" title="Krypton compounds">Krypton compounds</a></th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Krypton_difluoride" title="Krypton difluoride">KrF2</a></li> <li><a href="/wiki/Krypton_tetrafluoride" title="Krypton tetrafluoride">KrF 4</a>‡</li> <li><a href="/wiki/Krypton_hexafluoride" title="Krypton hexafluoride">KrF 6</a>‡</li> <li><a href="/wiki/Krypton_difluoride#Chemistry" title="Krypton difluoride">KrFAuF6</a></li> <li><a href="/wiki/Krypton_difluoride#Chemistry" title="Krypton difluoride">KrFSbF6</a></li> <li><a class="mw-selflink-fragment" href="#Chemistry">HKrCN</a></li> <li><a class="mw-selflink-fragment" href="#Chemistry">HKrC2H</a></li> <li><a class="mw-selflink-fragment" href="#Chemistry">Kr(OTeF5)2</a></li> <li><a class="mw-selflink-fragment" href="#Chemistry">HCNKrF2</a></li> <li><a href="/wiki/Kryptonium_ion" title="Kryptonium ion">KrH+</a></li> <li><a href="/wiki/Organokrypton_chemistry" title="Organokrypton chemistry">Organokrypton compounds</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Xenon_compounds" title="Xenon compounds">Xenon compounds</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Xe(0)</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/Tetraxenonogold(II)" title="Tetraxenonogold(II)">AuXe4(Sb2F11)2</a></li> <li><a href="/wiki/Xenonium" title="Xenonium">XeH+</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Xe(I)</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/Xenon_monochloride" title="Xenon monochloride">XeCl</a></li> <li><a href="/wiki/Xenon_hexafluoroplatinate" title="Xenon hexafluoroplatinate">XePtF6</a></li> <li><a href="/wiki/Xenon_hexafluororhodate" title="Xenon hexafluororhodate">XeRhF6</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Xe(II)</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/Xenon_difluoride" title="Xenon difluoride">XeF2</a></li> <li><a href="/wiki/Xenon_hexafluoroplatinate" title="Xenon hexafluoroplatinate">XeFPtF5</a></li> <li><a href="/wiki/Xenon_hexafluoroplatinate" title="Xenon hexafluoroplatinate">XeFPt2F11</a></li> <li><a href="/wiki/Xenon_hexafluoroplatinate" title="Xenon hexafluoroplatinate">Xe2F3PtF6</a></li> <li><a href="/wiki/Xenon_dichloride" title="Xenon dichloride">XeCl2</a></li> <li><a href="/wiki/Xenon_fluoride_nitrate" title="Xenon fluoride nitrate">FXeONO2</a></li> <li><a href="/wiki/Xenon_nitrate" title="Xenon nitrate">Xe(ONO2)2</a></li> <li><a href="/wiki/Organoxenon_chemistry#Organoxenon(II)_compounds" title="Organoxenon chemistry">Organoxenon(II) compounds</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Xe(IV)</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/Xenon_dioxide" title="Xenon dioxide">XeO2</a></li> <li><a href="/wiki/Xenon_tetrafluoride" title="Xenon tetrafluoride">XeF4</a></li> <li><a href="/wiki/Xenon_oxydifluoride" title="Xenon oxydifluoride">XeOF2</a></li> <li><a href="/wiki/Tetramethylammonium_pentafluoroxenate" title="Tetramethylammonium pentafluoroxenate">N(CH3)4XeF5</a></li> <li><a href="/wiki/Xenon_tetrachloride" title="Xenon tetrachloride">XeCl4</a></li> <li><a href="/wiki/Organoxenon_chemistry#Organoxenon(IV)_compounds" title="Organoxenon chemistry">Organoxenon(IV) compounds</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Xe(VI)</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/Xenon_trioxide" title="Xenon trioxide">XeO3</a></li> <li><a href="/wiki/Xenon_hexafluoride" title="Xenon hexafluoride">XeF6</a></li> <li><a href="/wiki/Xenon_oxytetrafluoride" title="Xenon oxytetrafluoride">XeOF4</a></li> <li><a href="/wiki/Xenic_acid" title="Xenic acid">H2XeO4</a></li> <li><a href="/wiki/Nitrosonium_octafluoroxenate(VI)" title="Nitrosonium octafluoroxenate(VI)">(NO)2XeF8</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Xe(VIII)</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/Xenon_tetroxide" title="Xenon tetroxide">XeO4</a></li> <li><a href="/wiki/Perxenate#Perxenic_acid" title="Perxenate">H4XeO6</a></li> <li><a href="/wiki/Xenon_octafluoride" title="Xenon octafluoride">XeF8</a>‡</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Radon_compounds" title="Radon compounds">Radon compounds</a></th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Rn(II)</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/Radon_difluoride" title="Radon difluoride">RnF2</a></li> <li><a href="/wiki/Radon#Chemical_properties" title="Radon">RnFSb2F11</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Rn(IV)</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="/w/index.php?title=Radon_tetrafluoride&action=edit&redlink=1" class="new" title="Radon tetrafluoride (page does not exist)">RnF4</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Rn(VI)</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/Radon#Chemical_properties" title="Radon">RnO3</a></li> <li><a href="/wiki/Radon_hexafluoride" title="Radon hexafluoride">RnF 6</a>‡</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Oganesson" title="Oganesson">Oganesson</a> compounds (predicted)</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Og(0)</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>Og2‡</li> <li>OgH+‡</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Og(II)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>OgF2‡</li> <li>OgCl2‡</li> <li>OgO‡</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Og(IV)</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>OgF4‡</li> <li>OgO2‡</li> <li>OgTs4‡</li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Og(VI)</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li>OgF6‡</li></ul> </div></td></tr></tbody></table><div></div></td></tr><tr><td class="navbox-abovebelow" colspan="2"><div>‡ <a href="/wiki/Hypothetical_compound" class="mw-redirect" title="Hypothetical compound">Hypothetical compound</a></div></td></tr></tbody></table></div>    </div><noscript><img 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