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Available in 28 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-28" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">28 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%B1%D9%83%D8%A8%D8%A7%D8%AA_%D8%A7%D9%84%D8%BA%D8%A7%D8%B2%D8%A7%D8%AA_%D8%A7%D9%84%D9%86%D8%A8%D9%8A%D9%84%D8%A9" title="مركبات الغازات النبيلة – Arabic" lang="ar" hreflang="ar" data-title="مركبات الغازات النبيلة" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A1%D1%8A%D0%B5%D0%B4%D0%B8%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F_%D0%BD%D0%B0_%D0%B1%D0%BB%D0%B0%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D0%BD%D0%B8%D1%82%D0%B5_%D0%B3%D0%B0%D0%B7%D0%BE%D0%B2%D0%B5" title="Съединения на благородните газове – Bulgarian" lang="bg" hreflang="bg" data-title="Съединения на благородните газове" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Compost_de_gas_noble" title="Compost de gas noble – Catalan" lang="ca" hreflang="ca" data-title="Compost de gas noble" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Slou%C4%8Deniny_vz%C3%A1cn%C3%BDch_plyn%C5%AF" title="Sloučeniny vzácných plynů – Czech" lang="cs" hreflang="cs" data-title="Sloučeniny vzácných plynů" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Edelgasverbindungen" title="Edelgasverbindungen – German" lang="de" hreflang="de" data-title="Edelgasverbindungen" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%95%CE%BD%CF%8E%CF%83%CE%B5%CE%B9%CF%82_%CE%B5%CF%85%CE%B3%CE%B5%CE%BD%CF%8E%CE%BD_%CE%B1%CE%B5%CF%81%CE%AF%CF%89%CE%BD" title="Ενώσεις ευγενών αερίων – Greek" lang="el" hreflang="el" data-title="Ενώσεις ευγενών αερίων" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Noble_gas_compound" title="Noble gas compound – English" lang="en" hreflang="en" data-title="Noble gas compound" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Compuesto_de_gas_noble" title="Compuesto de gas noble – Spanish" lang="es" hreflang="es" data-title="Compuesto de gas noble" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Kombina%C4%B5oj_de_noblaj_gasoj" title="Kombinaĵoj de noblaj gasoj – Esperanto" lang="eo" hreflang="eo" data-title="Kombinaĵoj de noblaj gasoj" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Gas_noble_konposatu" title="Gas noble konposatu – Basque" lang="eu" hreflang="eu" data-title="Gas noble konposatu" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Chimie_des_gaz_nobles" title="Chimie des gaz nobles – French" lang="fr" hreflang="fr" data-title="Chimie des gaz nobles" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B9%84%ED%99%9C%EC%84%B1_%EA%B8%B0%EC%B2%B4_%ED%99%94%ED%95%A9%EB%AC%BC" title="비활성 기체 화합물 – Korean" lang="ko" hreflang="ko" data-title="비활성 기체 화합물" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%89%E0%A4%A4%E0%A5%8D%E0%A4%95%E0%A5%83%E0%A4%B7%E0%A5%8D%E0%A4%9F_%E0%A4%97%E0%A5%88%E0%A4%B8%E0%A5%8B%E0%A4%82_%E0%A4%95%E0%A5%87_%E0%A4%AF%E0%A5%8C%E0%A4%97%E0%A4%BF%E0%A4%95" title="उत्कृष्ट गैसों के यौगिक – Hindi" lang="hi" hreflang="hi" data-title="उत्कृष्ट गैसों के यौगिक" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Composto_di_gas_nobili" title="Composto di gas nobili – Italian" lang="it" hreflang="it" data-title="Composto di gas nobili" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Nemesg%C3%A1zvegy%C3%BCletek" title="Nemesgázvegyületek – Hungarian" lang="hu" hreflang="hu" data-title="Nemesgázvegyületek" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Sebatian_gas_adi" title="Sebatian gas adi – Malay" lang="ms" hreflang="ms" data-title="Sebatian gas adi" data-language-autonym="Bahasa Melayu" data-language-local-name="Malay" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Edelgasverbinding" title="Edelgasverbinding – Dutch" lang="nl" hreflang="nl" data-title="Edelgasverbinding" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E8%B2%B4%E3%82%AC%E3%82%B9%E5%8C%96%E5%90%88%E7%89%A9" title="貴ガス化合物 – Japanese" lang="ja" hreflang="ja" data-title="貴ガス化合物" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%A8%E0%A9%8B%E0%A8%AC%E0%A8%B2_%E0%A8%97%E0%A9%88%E0%A8%B8_%E0%A8%95%E0%A9%B0%E0%A8%AA%E0%A8%BE%E0%A8%8A%E0%A8%82%E0%A8%A1" title="ਨੋਬਲ ਗੈਸ ਕੰਪਾਊਂਡ – Punjabi" lang="pa" hreflang="pa" data-title="ਨੋਬਲ ਗੈਸ ਕੰਪਾਊਂਡ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Composto_de_g%C3%A1s_nobre" title="Composto de gás nobre – Portuguese" lang="pt" hreflang="pt" data-title="Composto de gás nobre" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Compus_de_gaz_nobil" title="Compus de gaz nobil – Romanian" lang="ro" hreflang="ro" data-title="Compus de gaz nobil" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%BE%D0%B5%D0%B4%D0%B8%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F_%D0%B1%D0%BB%D0%B0%D0%B3%D0%BE%D1%80%D0%BE%D0%B4%D0%BD%D1%8B%D1%85_%D0%B3%D0%B0%D0%B7%D0%BE%D0%B2" title="Соединения благородных газов – Russian" lang="ru" hreflang="ru" data-title="Соединения благородных газов" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Jalokaasuyhdiste" title="Jalokaasuyhdiste – Finnish" lang="fi" hreflang="fi" data-title="Jalokaasuyhdiste" data-language-autonym="Suomi" data-language-local-name="Finnish" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/%C3%84delgasf%C3%B6rening" title="Ädelgasförening – Swedish" lang="sv" hreflang="sv" data-title="Ädelgasförening" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B8%9B%E0%B8%A3%E0%B8%B0%E0%B8%81%E0%B8%AD%E0%B8%9A%E0%B8%82%E0%B8%AD%E0%B8%87%E0%B9%81%E0%B8%81%E0%B9%8A%E0%B8%AA%E0%B8%A1%E0%B8%B5%E0%B8%AA%E0%B8%81%E0%B8%B8%E0%B8%A5" title="สารประกอบของแก๊สมีสกุล – Thai" lang="th" hreflang="th" data-title="สารประกอบของแก๊สมีสกุล" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Soy_gaz_bile%C5%9Fi%C4%9Fi" title="Soy gaz bileşiği – Turkish" lang="tr" hreflang="tr" data-title="Soy gaz bileşiği" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E7%A8%80%E6%9C%89%E6%B0%94%E4%BD%93%E5%8C%96%E5%90%88%E7%89%A9" title="稀有气体化合物 – Wu" lang="wuu" hreflang="wuu" data-title="稀有气体化合物" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E7%A8%80%E6%9C%89%E6%B0%94%E4%BD%93%E5%8C%96%E5%90%88%E7%89%A9" title="稀有气体化合物 – Chinese" lang="zh" hreflang="zh" data-title="稀有气体化合物" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q898452#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Change links</a></span></div> </div> </div> </div> </header> 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</div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to 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href="/wiki/Periodic_table" title="Periodic table">periodic table</a> in it. Group 18 (previously called Group 0) contains all the <a href="/wiki/Noble_gas" title="Noble gas">noble gases</a>. </p> <div class="mw-heading mw-heading2"><h2 id="History">History</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Noble_gas_compound&veaction=edit&section=1" title="Change section: History" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Noble_gas_compound&action=edit&section=1" title="Edit section's source code: History"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>For a long time, <a href="/wiki/Scientist" title="Scientist">scientists</a> thought that noble gases could not form compounds because their <a href="/wiki/Valence_electron" title="Valence electron">valence</a> <a href="/wiki/Electron_shell" title="Electron shell">electron shell</a> had no space for more <a href="/wiki/Electron" title="Electron">electrons</a>. This means that they could not accept any more electrons, which made <a href="/wiki/Bonding" class="mw-redirect mw-disambig" title="Bonding">bonding</a> impossible. However, in 1933, <a href="/wiki/Linus_Pauling" title="Linus Pauling">Linus Pauling</a> said that heavy noble gases could react with <a href="/wiki/Fluorine" title="Fluorine">fluorine</a> or <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>, as they are the most <a href="/wiki/Electronegative" class="mw-redirect" title="Electronegative">electronegative</a> atoms. His prediction was correct, and <a href="/wiki/Xenon_hexafluoride" title="Xenon hexafluoride">xenon hexafluoride</a> (<a href="/wiki/Xenon" title="Xenon">Xe</a><a href="/wiki/Fluorine" title="Fluorine">F</a><sub>6</sub>) was later discovered. Many more noble gas compounds have been found since then. </p><p>Oxidizing <a href="/wiki/Helium" title="Helium">Helium</a> or <a href="/wiki/Neon" title="Neon">Neon</a> takes a lot of energy. No chemical substance is known to have enough power to oxidize Helium or Neon. Two Helium compounds have been predicted; they would need a very high pressure to be stable. </p> <div class="mw-heading mw-heading2"><h2 id="Fullerene_properties">Fullerene properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Noble_gas_compound&veaction=edit&section=2" title="Change section: Fullerene properties" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Noble_gas_compound&action=edit&section=2" title="Edit section's source code: Fullerene properties"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size mw-halign-right" typeof="mw:File/Thumb"><a href="/wiki/File:Endohedral_fullerene.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Endohedral_fullerene.png/220px-Endohedral_fullerene.png" decoding="async" width="220" height="219" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Endohedral_fullerene.png/330px-Endohedral_fullerene.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Endohedral_fullerene.png/440px-Endohedral_fullerene.png 2x" data-file-width="618" data-file-height="614" /></a><figcaption>An endohedral fullerene</figcaption></figure> <p>Noble gases can also make <a href="/w/index.php?title=Endohedral_fullerene&action=edit&redlink=1" class="new" title="Endohedral fullerene (not yet started)">endohedral fullerene</a> compounds when the noble gas atom is pushed inside a <a href="/wiki/Fullerene" title="Fullerene">fullerene</a> molecule. In 1993, it was discovered that when C<sub>60</sub> is put under pressure of about 3 <a href="/wiki/Bar_(unit)" title="Bar (unit)">bar</a> of Helium or Neon, He@C<sub>60</sub> and Ne@C<sub>60</sub> are made.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> Only about one out of every 650,000 C<sub>60</sub> were found with a <a href="/wiki/Helium" title="Helium">helium</a> atom. But with more pressures (about 3000 bar), it is possible to get as much as 0.1%. Endohedral molecules with <a href="/wiki/Argon" title="Argon">argon</a>, <a href="/wiki/Krypton" title="Krypton">krypton</a> and <a href="/wiki/Xenon" title="Xenon">xenon</a> have also been made, as well as other compounds of He@C<sub>60</sub>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Noble_gas_compound&veaction=edit&section=3" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Noble_gas_compound&action=edit&section=3" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r9724332">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFM._Saunders,_H._A._Jiménez-Vázquez,_R._J._Cross,_and_R._J._Poreda1993" class="citation journal cs1">M. Saunders, H. A. Jiménez-Vázquez, R. J. Cross, and R. J. Poreda (1993). "Stable compounds of helium and neon. He@C60 and Ne@C60". <i><a href="/wiki/Science_(journal)" title="Science (journal)">Science</a></i>. <b>259</b> (5100): 1428–1430. <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/1993Sci...259.1428S">1993Sci...259.1428S</a>. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.259.5100.1428">10.1126/science.259.5100.1428</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/17801275">17801275</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:41794612">41794612</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Science&rft.atitle=Stable+compounds+of+helium+and+neon.+He%40C60+and+Ne%40C60&rft.volume=259&rft.issue=5100&rft.pages=1428-1430&rft.date=1993&rft_id=info%3Adoi%2F10.1126%2Fscience.259.5100.1428&rft_id=https%3A%2F%2Fapi.semanticscholar.org%2FCorpusID%3A41794612%23id-name%3DS2CID&rft_id=info%3Apmid%2F17801275&rft_id=info%3Abibcode%2F1993Sci...259.1428S&rft.au=M.+Saunders%2C+H.+A.+Jim%C3%A9nez-V%C3%A1zquez%2C+R.+J.+Cross%2C+and+R.+J.+Poreda&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ANoble+gas+compound" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: multiple names: authors list (<a href="/wiki/Category:CS1_maint:_multiple_names:_authors_list" title="Category:CS1 maint: multiple names: authors list">link</a>)</span></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9724332"><cite id="CITEREFMartin_Saunders,_Hugo_A._Jimenez-Vazquez,_R._James_Cross,_Stanley_Mroczkowski,_Michael_L._Gross,_Daryl_E._Giblin,_and_Robert_J._Poreda1994" class="citation journal cs1">Martin Saunders, Hugo A. Jimenez-Vazquez, R. James Cross, Stanley Mroczkowski, Michael L. Gross, Daryl E. Giblin, and Robert J. Poreda (1994). "Incorporation of helium, neon, argon, krypton, and xenon into fullerenes using high pressure". <i><a href="/w/index.php?title=J._Am._Chem._Soc.&action=edit&redlink=1" class="new" title="J. Am. Chem. Soc. (not yet started)">J. Am. Chem. Soc.</a></i> <b>116</b> (5): 2193–2194. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fja00084a089">10.1021/ja00084a089</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=J.+Am.+Chem.+Soc.&rft.atitle=Incorporation+of+helium%2C+neon%2C+argon%2C+krypton%2C+and+xenon+into+fullerenes+using+high+pressure&rft.volume=116&rft.issue=5&rft.pages=2193-2194&rft.date=1994&rft_id=info%3Adoi%2F10.1021%2Fja00084a089&rft.au=Martin+Saunders%2C+Hugo+A.+Jimenez-Vazquez%2C+R.+James+Cross%2C+Stanley+Mroczkowski%2C+Michael+L.+Gross%2C+Daryl+E.+Giblin%2C+and+Robert+J.+Poreda&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ANoble+gas+compound" class="Z3988"></span><span class="cs1-maint citation-comment"><code class="cs1-code">{{<a href="/wiki/Template:Cite_journal" title="Template:Cite journal">cite journal</a>}}</code>: CS1 maint: 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</td> <td width="3.125%" colspan="30">  </td> <td width="3.125%" style="background-color:#c0ffff"><a href="/wiki/Helium" title="Helium">He</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Lithium" title="Lithium">Li</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Beryllium" title="Beryllium">Be</a> </td> <td colspan="24">  </td> <td style="background-color:#cccc99"><a href="/wiki/Boron" title="Boron">B</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Carbon" title="Carbon">C</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Nitrogen" title="Nitrogen">N</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Oxygen" title="Oxygen">O</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Fluorine" title="Fluorine">F</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Neon" title="Neon">Ne</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Sodium" title="Sodium">Na</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Magnesium" title="Magnesium">Mg</a> </td> <td colspan="24">  </td> <td style="background-color:#cccccc"><a href="/wiki/Aluminium" title="Aluminium">Al</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Silicon" title="Silicon">Si</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Phosphorus" title="Phosphorus">P</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Sulfur" title="Sulfur">S</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Chlorine" title="Chlorine">Cl</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Argon" title="Argon">Ar</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Potassium" title="Potassium">K</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Calcium" title="Calcium">Ca</a> </td> <td colspan="14">  </td> <td style="background-color:#ffc0c0"><a href="/wiki/Scandium" title="Scandium">Sc</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Titanium" title="Titanium">Ti</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Vanadium" title="Vanadium">V</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Chromium" title="Chromium">Cr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Manganese" title="Manganese">Mn</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Iron" title="Iron">Fe</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Cobalt" title="Cobalt">Co</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Nickel" title="Nickel">Ni</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Copper" title="Copper">Cu</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Zinc" title="Zinc">Zn</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Gallium" title="Gallium">Ga</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Germanium" title="Germanium">Ge</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Arsenic" title="Arsenic">As</a> </td> <td style="background-color:#a0ffa0"><a href="/wiki/Selenium" title="Selenium">Se</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Bromine" title="Bromine">Br</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Krypton" title="Krypton">Kr</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Rubidium" title="Rubidium">Rb</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Strontium" title="Strontium">Sr</a> </td> <td colspan="14">  </td> <td style="background-color:#ffc0c0"><a href="/wiki/Yttrium" title="Yttrium">Y</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Zirconium" title="Zirconium">Zr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Niobium" title="Niobium">Nb</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Molybdenum" title="Molybdenum">Mo</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Technetium" title="Technetium">Tc</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Ruthenium" title="Ruthenium">Ru</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Rhodium" title="Rhodium">Rh</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Palladium" title="Palladium">Pd</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Silver" title="Silver">Ag</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Cadmium" title="Cadmium">Cd</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Indium" title="Indium">In</a> </td> <td style="background-color:#cccccc"><a href="/wiki/Tin" title="Tin">Sn</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Antimony" title="Antimony">Sb</a> </td> <td style="background-color:#cccc99"><a href="/wiki/Tellurium" title="Tellurium">Te</a> </td> <td style="background-color:#ffff99"><a href="/wiki/Iodine" title="Iodine">I</a> </td> <td style="background-color:#c0ffff"><a href="/wiki/Xenon" title="Xenon">Xe</a> </td></tr> <tr> <td width="3.125%" style="background-color:#ff6666"><a href="/wiki/Caesium" title="Caesium">Cs</a> </td> <td width="3.125%" style="background-color:#ffdead"><a href="/wiki/Barium" title="Barium">Ba</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Lanthanum" title="Lanthanum">La</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Cerium" title="Cerium">Ce</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Praseodymium" title="Praseodymium">Pr</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Neodymium" title="Neodymium">Nd</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Promethium" title="Promethium">Pm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Samarium" title="Samarium">Sm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Europium" title="Europium">Eu</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Gadolinium" title="Gadolinium">Gd</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Terbium" title="Terbium">Tb</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Dysprosium" title="Dysprosium">Dy</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Holmium" title="Holmium">Ho</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Erbium" title="Erbium">Er</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Thulium" title="Thulium">Tm</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Ytterbium" title="Ytterbium">Yb</a> </td> <td width="3.125%" style="background-color:#ffbfff"><a href="/wiki/Lutetium" title="Lutetium">Lu</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Hafnium" title="Hafnium">Hf</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Tantalum" title="Tantalum">Ta</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Tungsten" title="Tungsten">W</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Rhenium" title="Rhenium">Re</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Osmium" title="Osmium">Os</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Iridium" title="Iridium">Ir</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Platinum" title="Platinum">Pt</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Gold" title="Gold">Au</a> </td> <td width="3.125%" style="background-color:#ffc0c0"><a href="/wiki/Mercury_(element)" title="Mercury (element)">Hg</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Thallium" title="Thallium">Tl</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Lead" title="Lead">Pb</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Bismuth" title="Bismuth">Bi</a> </td> <td width="3.125%" style="background-color:#cccccc"><a href="/wiki/Polonium" title="Polonium">Po</a> </td> <td width="3.125%" style="background-color:#ffff99"><a href="/wiki/Astatine" title="Astatine">At</a> </td> <td width="3.125%" style="background-color:#c0ffff"><a href="/wiki/Radon" title="Radon">Rn</a> </td></tr> <tr> <td style="background-color:#ff6666"><a href="/wiki/Francium" title="Francium">Fr</a> </td> <td style="background-color:#ffdead"><a href="/wiki/Radium" title="Radium">Ra</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Actinium" title="Actinium">Ac</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Thorium" title="Thorium">Th</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Protactinium" title="Protactinium">Pa</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Uranium" title="Uranium">U</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Neptunium" title="Neptunium">Np</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Plutonium" title="Plutonium">Pu</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Americium" title="Americium">Am</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Curium" title="Curium">Cm</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Berkelium" title="Berkelium">Bk</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Californium" title="Californium">Cf</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Einsteinium" title="Einsteinium">Es</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Fermium" title="Fermium">Fm</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Mendelevium" title="Mendelevium">Md</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Nobelium" title="Nobelium">No</a> </td> <td style="background-color:#ff99cc"><a href="/wiki/Lawrencium" title="Lawrencium">Lr</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Rutherfordium" title="Rutherfordium">Rf</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Dubnium" title="Dubnium">Db</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Seaborgium" title="Seaborgium">Sg</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Bohrium" title="Bohrium">Bh</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Hassium" title="Hassium">Hs</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Meitnerium" title="Meitnerium">Mt</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Darmstadtium" title="Darmstadtium">Ds</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Roentgenium" title="Roentgenium">Rg</a> </td> <td style="background-color:#ffc0c0"><a href="/wiki/Copernicium" title="Copernicium">Cn</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Nihonium" title="Nihonium">Nh</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Flerovium" title="Flerovium">Fl</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Moscovium" title="Moscovium">Mc</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Livermorium" title="Livermorium">Lv</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Tennessine" title="Tennessine">Ts</a> </td> <td style="background-color:#e8e8e8"><a href="/wiki/Oganesson" title="Oganesson">Og</a> </td></tr> <tr> <td colspan="32"> <table border="1" align="center" style="border:1px solid #ffffff; border-collapse:collapse; font-size: smaller; width:100%" rules="all" cellpadding="1"> <tbody><tr> <td style="background-color:#ff6666" width="10%"><a href="/wiki/Alkali_metal" title="Alkali metal">Alkali metals</a> </td> <td style="background-color:#ffdead" width="10%"><a href="/wiki/Alkaline_earth_metal" title="Alkaline earth metal">Alkaline earth metals</a> </td> <td style="background-color:#ffbfff" width="10%"><a href="/wiki/Lanthanide" title="Lanthanide">Lanthanides</a> </td> <td style="background-color:#ff99cc" width="10%"><a href="/wiki/Actinide" title="Actinide">Actinides</a> </td> <td style="background-color:#ffc0c0" width="10%"><a href="/wiki/Transition_metal" title="Transition metal">Transition metals</a> </td> <td style="background-color:#cccccc" width="10%"><a href="/wiki/Post-transition_metal" title="Post-transition metal">Poor metals</a> </td> <td style="background-color:#cccc99" width="10%"><a href="/wiki/Metalloid" title="Metalloid">Metalloids</a> </td> <td style="background-color:#a0ffa0" width="10%">Other <a href="/wiki/Nonmetal" title="Nonmetal">nonmetals</a> </td> <td style="background-color:#ffff99" width="10%"><a href="/wiki/Halogen" title="Halogen">Halogens</a> </td> <td style="background-color:#c0ffff" width="10%"><a href="/wiki/Noble_gas" title="Noble gas">Noble gases</a> 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