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from this IP address [n]" accesskey="n"><span>Talk</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="Site"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Contents" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Contents</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">hide</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Beginning</div> </a> </li> <li id="toc-Properties" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Properties</span> </div> </a> <button aria-controls="toc-Properties-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Properties subsection</span> </button> <ul id="toc-Properties-sublist" class="vector-toc-list"> <li id="toc-Physical_properties" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Physical_properties"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Physical properties</span> </div> </a> <ul id="toc-Physical_properties-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Compounds" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Compounds"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Compounds</span> </div> </a> <ul id="toc-Compounds-sublist" class="vector-toc-list"> <li id="toc-Copper(I)_compounds" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Copper(I)_compounds"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.1</span> <span>Copper(I) compounds</span> </div> </a> <ul id="toc-Copper(I)_compounds-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Copper(II)_compounds" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Copper(II)_compounds"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.2</span> <span>Copper(II) compounds</span> </div> </a> <ul id="toc-Copper(II)_compounds-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Occurrence" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Occurrence"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Occurrence</span> </div> </a> <ul id="toc-Occurrence-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Uses" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Uses"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Uses</span> </div> </a> <button aria-controls="toc-Uses-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Toggle Uses subsection</span> </button> <ul id="toc-Uses-sublist" class="vector-toc-list"> <li id="toc-As_chemical_compounds" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#As_chemical_compounds"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>As chemical compounds</span> </div> </a> <ul id="toc-As_chemical_compounds-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Safety" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Safety"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Safety</span> </div> </a> <ul id="toc-Safety-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Preparation" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Preparation"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Preparation</span> </div> </a> <ul id="toc-Preparation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Related_pages" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Related_pages"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Related pages</span> </div> </a> <ul id="toc-Related_pages-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-References" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#References"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>References</span> </div> </a> <ul id="toc-References-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Contents" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Toggle the table of contents" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Toggle the table of contents</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Copper</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Go to an article in another language. Available in 203 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-203" 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">203 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Koper" title="Koper – Afrikaans" lang="af" hreflang="af" data-title="Koper" data-language-autonym="Afrikaans" data-language-local-name="Afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-als mw-list-item"><a href="https://als.wikipedia.org/wiki/Kupfer" title="Kupfer – Alemannic" lang="gsw" hreflang="gsw" data-title="Kupfer" data-language-autonym="Alemannisch" data-language-local-name="Alemannic" class="interlanguage-link-target"><span>Alemannisch</span></a></li><li class="interlanguage-link interwiki-am mw-list-item"><a href="https://am.wikipedia.org/wiki/%E1%88%98%E1%8B%B3%E1%89%A5" title="መዳብ – Amharic" lang="am" hreflang="am" data-title="መዳብ" data-language-autonym="አማርኛ" data-language-local-name="Amharic" class="interlanguage-link-target"><span>አማርኛ</span></a></li><li class="interlanguage-link interwiki-anp mw-list-item"><a href="https://anp.wikipedia.org/wiki/%E0%A4%A4%E0%A4%BE%E0%A4%82%E0%A4%AC%E0%A4%BE" title="तांबा – Angika" lang="anp" hreflang="anp" data-title="तांबा" data-language-autonym="अंगिका" data-language-local-name="Angika" class="interlanguage-link-target"><span>अंगिका</span></a></li><li class="interlanguage-link interwiki-ang mw-list-item"><a href="https://ang.wikipedia.org/wiki/Coper" title="Coper – Old English" lang="ang" hreflang="ang" data-title="Coper" data-language-autonym="Ænglisc" data-language-local-name="Old English" class="interlanguage-link-target"><span>Ænglisc</span></a></li><li class="interlanguage-link interwiki-ar badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://ar.wikipedia.org/wiki/%D9%86%D8%AD%D8%A7%D8%B3" title="نحاس – Arabic" lang="ar" hreflang="ar" data-title="نحاس" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Arambre" title="Arambre – Aragonese" lang="an" hreflang="an" data-title="Arambre" data-language-autonym="Aragonés" data-language-local-name="Aragonese" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-hyw mw-list-item"><a href="https://hyw.wikipedia.org/wiki/%D5%8A%D5%B2%D5%AB%D5%B6%D5%B1" title="Պղինձ – Western Armenian" lang="hyw" hreflang="hyw" data-title="Պղինձ" data-language-autonym="Արեւմտահայերէն" data-language-local-name="Western Armenian" class="interlanguage-link-target"><span>Արեւմտահայերէն</span></a></li><li class="interlanguage-link interwiki-roa-rup mw-list-item"><a href="https://roa-rup.wikipedia.org/wiki/B%C3%A2c%C3%A2ri" title="Bâcâri – Aromanian" lang="rup" hreflang="rup" data-title="Bâcâri" data-language-autonym="Armãneashti" data-language-local-name="Aromanian" class="interlanguage-link-target"><span>Armãneashti</span></a></li><li class="interlanguage-link interwiki-as mw-list-item"><a href="https://as.wikipedia.org/wiki/%E0%A6%A4%E0%A6%BE%E0%A6%AE" title="তাম – Assamese" lang="as" hreflang="as" data-title="তাম" data-language-autonym="অসমীয়া" data-language-local-name="Assamese" class="interlanguage-link-target"><span>অসমীয়া</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Cobre" title="Cobre – Asturian" lang="ast" hreflang="ast" data-title="Cobre" data-language-autonym="Asturianu" data-language-local-name="Asturian" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-gn mw-list-item"><a href="https://gn.wikipedia.org/wiki/Kuarepoti_pyt%C3%A3" title="Kuarepoti pytã – Guarani" lang="gn" hreflang="gn" data-title="Kuarepoti pytã" data-language-autonym="Avañe'ẽ" data-language-local-name="Guarani" class="interlanguage-link-target"><span>Avañe'ẽ</span></a></li><li class="interlanguage-link interwiki-ay mw-list-item"><a href="https://ay.wikipedia.org/wiki/Anti" title="Anti – Aymara" lang="ay" hreflang="ay" data-title="Anti" data-language-autonym="Aymar aru" data-language-local-name="Aymara" class="interlanguage-link-target"><span>Aymar aru</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Mis" title="Mis – Azerbaijani" lang="az" hreflang="az" data-title="Mis" data-language-autonym="Azərbaycanca" data-language-local-name="Azerbaijani" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%BE%D8%A7%D8%AE%DB%8C%D8%B1" title="پاخیر – South Azerbaijani" lang="azb" hreflang="azb" data-title="پاخیر" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Temaga" title="Temaga – Balinese" lang="ban" hreflang="ban" data-title="Temaga" data-language-autonym="Basa Bali" data-language-local-name="Balinese" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%A4%E0%A6%BE%E0%A6%AE%E0%A6%BE" title="তামা – Bangla" lang="bn" hreflang="bn" data-title="তামা" data-language-autonym="বাংলা" data-language-local-name="Bangla" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/T%C3%A2ng" title="Tâng – Minnan" lang="nan" hreflang="nan" data-title="Tâng" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="Minnan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%91%D0%B0%D2%A1%D1%8B%D1%80" title="Баҡыр – Bashkir" lang="ba" hreflang="ba" data-title="Баҡыр" data-language-autonym="Башҡортса" data-language-local-name="Bashkir" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B4%D0%B7%D1%8C" title="Медзь – Belarusian" lang="be" hreflang="be" data-title="Медзь" data-language-autonym="Беларуская" data-language-local-name="Belarusian" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B4%D0%B7%D1%8C" title="Медзь – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Медзь" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%A4%E0%A4%BE%E0%A4%81%E0%A4%AE%E0%A4%BE" title="ताँमा – Bhojpuri" lang="bh" hreflang="bh" data-title="ताँमा" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Tanso" title="Tanso – Central Bikol" lang="bcl" hreflang="bcl" data-title="Tanso" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B4" title="Мед – Bulgarian" lang="bg" hreflang="bg" data-title="Мед" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bo mw-list-item"><a href="https://bo.wikipedia.org/wiki/%E0%BD%9F%E0%BD%84%E0%BD%A6%E0%BC%8D" title="ཟངས། – Tibetan" lang="bo" hreflang="bo" data-title="ཟངས།" data-language-autonym="བོད་ཡིག" data-language-local-name="Tibetan" class="interlanguage-link-target"><span>བོད་ཡིག</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Bakar" title="Bakar – Bosnian" lang="bs" hreflang="bs" data-title="Bakar" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-br mw-list-item"><a href="https://br.wikipedia.org/wiki/Kouevr" title="Kouevr – Breton" lang="br" hreflang="br" data-title="Kouevr" data-language-autonym="Brezhoneg" data-language-local-name="Breton" class="interlanguage-link-target"><span>Brezhoneg</span></a></li><li class="interlanguage-link interwiki-bxr mw-list-item"><a href="https://bxr.wikipedia.org/wiki/%D0%97%D1%8D%D0%B4" title="Зэд – Russia Buriat" lang="bxr" hreflang="bxr" data-title="Зэд" data-language-autonym="Буряад" data-language-local-name="Russia Buriat" class="interlanguage-link-target"><span>Буряад</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Coure" title="Coure – Catalan" lang="ca" hreflang="ca" data-title="Coure" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9F%C4%83%D1%85%C4%83%D1%80" title="Пăхăр – Chuvash" lang="cv" hreflang="cv" data-title="Пăхăр" data-language-autonym="Чӑвашла" data-language-local-name="Chuvash" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-ceb mw-list-item"><a href="https://ceb.wikipedia.org/wiki/Tumbaga" title="Tumbaga – Cebuano" lang="ceb" hreflang="ceb" data-title="Tumbaga" data-language-autonym="Cebuano" data-language-local-name="Cebuano" class="interlanguage-link-target"><span>Cebuano</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/M%C4%9B%C4%8F" title="Měď – Czech" lang="cs" hreflang="cs" data-title="Měď" data-language-autonym="Čeština" data-language-local-name="Czech" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-sn mw-list-item"><a href="https://sn.wikipedia.org/wiki/Mhangura" title="Mhangura – Shona" lang="sn" hreflang="sn" data-title="Mhangura" data-language-autonym="ChiShona" data-language-local-name="Shona" class="interlanguage-link-target"><span>ChiShona</span></a></li><li class="interlanguage-link interwiki-co mw-list-item"><a href="https://co.wikipedia.org/wiki/Ramu" title="Ramu – Corsican" lang="co" hreflang="co" data-title="Ramu" data-language-autonym="Corsu" data-language-local-name="Corsican" class="interlanguage-link-target"><span>Corsu</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Copr" title="Copr – Welsh" lang="cy" hreflang="cy" data-title="Copr" data-language-autonym="Cymraeg" data-language-local-name="Welsh" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Kobber" title="Kobber – Danish" lang="da" hreflang="da" data-title="Kobber" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D9%86%D8%AD%D8%A7%D8%B3" title="نحاس – Moroccan Arabic" lang="ary" hreflang="ary" data-title="نحاس" data-language-autonym="الدارجة" data-language-local-name="Moroccan Arabic" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Kupfer" title="Kupfer – German" lang="de" hreflang="de" data-title="Kupfer" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-dv mw-list-item"><a href="https://dv.wikipedia.org/wiki/%DE%83%DE%A6%DE%8C%DE%AA%DE%8D%DE%AF" title="ރަތުލޯ – Divehi" lang="dv" hreflang="dv" data-title="ރަތުލޯ" data-language-autonym="ދިވެހިބަސް" data-language-local-name="Divehi" class="interlanguage-link-target"><span>ދިވެހިބަސް</span></a></li><li class="interlanguage-link interwiki-nv mw-list-item"><a href="https://nv.wikipedia.org/wiki/B%C3%A9%C3%A9sh_%C5%82ich%C3%ADi%CA%BCii" title="Béésh łichíiʼii – Navajo" lang="nv" hreflang="nv" data-title="Béésh łichíiʼii" data-language-autonym="Diné bizaad" data-language-local-name="Navajo" class="interlanguage-link-target"><span>Diné bizaad</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Vask" title="Vask – Estonian" lang="et" hreflang="et" data-title="Vask" data-language-autonym="Eesti" data-language-local-name="Estonian" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A7%CE%B1%CE%BB%CE%BA%CF%8C%CF%82" title="Χαλκός – Greek" lang="el" hreflang="el" data-title="Χαλκός" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://en.wikipedia.org/wiki/Copper" title="Copper – English" lang="en" hreflang="en" data-title="Copper" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-myv mw-list-item"><a href="https://myv.wikipedia.org/wiki/%D0%9F%D0%B8%D0%B6%D0%B5_(%D0%BC%D0%B5%D1%82%D0%B0%D0%BB%D0%BB)" title="Пиже (металл) – Erzya" lang="myv" hreflang="myv" data-title="Пиже (металл)" data-language-autonym="Эрзянь" data-language-local-name="Erzya" class="interlanguage-link-target"><span>Эрзянь</span></a></li><li class="interlanguage-link interwiki-es badge-Q17437796 badge-featuredarticle mw-list-item" title="featured article badge"><a href="https://es.wikipedia.org/wiki/Cobre" title="Cobre – Spanish" lang="es" hreflang="es" data-title="Cobre" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://eo.wikipedia.org/wiki/Kupro" title="Kupro – Esperanto" lang="eo" hreflang="eo" data-title="Kupro" data-language-autonym="Esperanto" data-language-local-name="Esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-ext mw-list-item"><a href="https://ext.wikipedia.org/wiki/Cobri" title="Cobri – Extremaduran" lang="ext" hreflang="ext" data-title="Cobri" data-language-autonym="Estremeñu" data-language-local-name="Extremaduran" class="interlanguage-link-target"><span>Estremeñu</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Kobre" title="Kobre – Basque" lang="eu" hreflang="eu" data-title="Kobre" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D9%85%D8%B3" title="مس – Persian" lang="fa" hreflang="fa" data-title="مس" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-hif mw-list-item"><a href="https://hif.wikipedia.org/wiki/Tamba" title="Tamba – Fiji Hindi" lang="hif" hreflang="hif" data-title="Tamba" data-language-autonym="Fiji Hindi" data-language-local-name="Fiji Hindi" class="interlanguage-link-target"><span>Fiji Hindi</span></a></li><li class="interlanguage-link interwiki-fo mw-list-item"><a href="https://fo.wikipedia.org/wiki/Kopar" title="Kopar – Faroese" lang="fo" hreflang="fo" data-title="Kopar" data-language-autonym="Føroyskt" data-language-local-name="Faroese" class="interlanguage-link-target"><span>Føroyskt</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Cuivre" title="Cuivre – French" lang="fr" hreflang="fr" data-title="Cuivre" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Koper" title="Koper – Western Frisian" lang="fy" hreflang="fy" data-title="Koper" data-language-autonym="Frysk" data-language-local-name="Western Frisian" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-fur mw-list-item"><a href="https://fur.wikipedia.org/wiki/Ram" title="Ram – Friulian" lang="fur" hreflang="fur" data-title="Ram" data-language-autonym="Furlan" data-language-local-name="Friulian" class="interlanguage-link-target"><span>Furlan</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Copar" title="Copar – Irish" lang="ga" hreflang="ga" data-title="Copar" data-language-autonym="Gaeilge" data-language-local-name="Irish" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gv mw-list-item"><a href="https://gv.wikipedia.org/wiki/Cobbyr" title="Cobbyr – Manx" lang="gv" hreflang="gv" data-title="Cobbyr" data-language-autonym="Gaelg" data-language-local-name="Manx" class="interlanguage-link-target"><span>Gaelg</span></a></li><li class="interlanguage-link interwiki-gd mw-list-item"><a href="https://gd.wikipedia.org/wiki/Copar" title="Copar – Scottish Gaelic" lang="gd" hreflang="gd" data-title="Copar" data-language-autonym="Gàidhlig" data-language-local-name="Scottish Gaelic" class="interlanguage-link-target"><span>Gàidhlig</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Cobre" title="Cobre – Galician" lang="gl" hreflang="gl" data-title="Cobre" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-inh mw-list-item"><a href="https://inh.wikipedia.org/wiki/%D0%A6%D3%80%D0%B0%D1%81%D1%82%D0%B0" title="ЦӀаста – Ingush" lang="inh" hreflang="inh" data-title="ЦӀаста" data-language-autonym="ГӀалгӀай" data-language-local-name="Ingush" class="interlanguage-link-target"><span>ГӀалгӀай</span></a></li><li class="interlanguage-link interwiki-gan mw-list-item"><a href="https://gan.wikipedia.org/wiki/%E9%8A%85" title="銅 – Gan" lang="gan" hreflang="gan" data-title="銅" data-language-autonym="贛語" data-language-local-name="Gan" class="interlanguage-link-target"><span>贛語</span></a></li><li class="interlanguage-link interwiki-ki mw-list-item"><a href="https://ki.wikipedia.org/wiki/Copper" title="Copper – Kikuyu" lang="ki" hreflang="ki" data-title="Copper" data-language-autonym="Gĩkũyũ" data-language-local-name="Kikuyu" class="interlanguage-link-target"><span>Gĩkũyũ</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%A4%E0%AA%BE%E0%AA%82%E0%AA%AC%E0%AB%81%E0%AA%82" title="તાંબું – Gujarati" lang="gu" hreflang="gu" data-title="તાંબું" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-gom mw-list-item"><a href="https://gom.wikipedia.org/wiki/%E0%A4%A4%E0%A4%BE%E0%A4%82%E0%A4%AC%E0%A5%87" title="तांबे – Goan Konkani" lang="gom" hreflang="gom" data-title="तांबे" data-language-autonym="गोंयची कोंकणी / Gõychi Konknni" data-language-local-name="Goan Konkani" class="interlanguage-link-target"><span>गोंयची कोंकणी / Gõychi Konknni</span></a></li><li class="interlanguage-link interwiki-hak mw-list-item"><a href="https://hak.wikipedia.org/wiki/Th%C3%B9ng" title="Thùng – Hakka Chinese" lang="hak" hreflang="hak" data-title="Thùng" data-language-autonym="客家語 / Hak-kâ-ngî" data-language-local-name="Hakka Chinese" class="interlanguage-link-target"><span>客家語 / Hak-kâ-ngî</span></a></li><li class="interlanguage-link interwiki-xal mw-list-item"><a href="https://xal.wikipedia.org/wiki/%D0%97%D0%B5%D1%81" title="Зес – Kalmyk" lang="xal" hreflang="xal" data-title="Зес" data-language-autonym="Хальмг" data-language-local-name="Kalmyk" class="interlanguage-link-target"><span>Хальмг</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B5%AC%EB%A6%AC" title="구리 – Korean" lang="ko" hreflang="ko" data-title="구리" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%8A%D5%B2%D5%AB%D5%B6%D5%B1" title="Պղինձ – Armenian" lang="hy" hreflang="hy" data-title="Պղինձ" data-language-autonym="Հայերեն" data-language-local-name="Armenian" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%A4%E0%A4%BE%E0%A4%AE%E0%A5%8D%E0%A4%B0" title="ताम्र – Hindi" lang="hi" hreflang="hi" data-title="ताम्र" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hsb mw-list-item"><a href="https://hsb.wikipedia.org/wiki/Kopor" title="Kopor – Upper Sorbian" lang="hsb" hreflang="hsb" data-title="Kopor" data-language-autonym="Hornjoserbsce" data-language-local-name="Upper Sorbian" class="interlanguage-link-target"><span>Hornjoserbsce</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Bakar" title="Bakar – Croatian" lang="hr" hreflang="hr" data-title="Bakar" data-language-autonym="Hrvatski" data-language-local-name="Croatian" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Kupro" title="Kupro – Ido" lang="io" hreflang="io" data-title="Kupro" data-language-autonym="Ido" data-language-local-name="Ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-ilo mw-list-item"><a href="https://ilo.wikipedia.org/wiki/Gambang" title="Gambang – Iloko" lang="ilo" hreflang="ilo" data-title="Gambang" data-language-autonym="Ilokano" data-language-local-name="Iloko" class="interlanguage-link-target"><span>Ilokano</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Tembaga" title="Tembaga – Indonesian" lang="id" hreflang="id" data-title="Tembaga" data-language-autonym="Bahasa Indonesia" data-language-local-name="Indonesian" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Cupro" title="Cupro – Interlingua" lang="ia" hreflang="ia" data-title="Cupro" data-language-autonym="Interlingua" data-language-local-name="Interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-os mw-list-item"><a href="https://os.wikipedia.org/wiki/%C3%86%D1%80%D1%85%D1%83%D1%8B" title="Æрхуы – Ossetic" lang="os" hreflang="os" data-title="Æрхуы" data-language-autonym="Ирон" data-language-local-name="Ossetic" class="interlanguage-link-target"><span>Ирон</span></a></li><li class="interlanguage-link interwiki-zu mw-list-item"><a href="https://zu.wikipedia.org/wiki/Usoklele" title="Usoklele – Zulu" lang="zu" hreflang="zu" data-title="Usoklele" data-language-autonym="IsiZulu" data-language-local-name="Zulu" class="interlanguage-link-target"><span>IsiZulu</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Kopar" title="Kopar – Icelandic" lang="is" hreflang="is" data-title="Kopar" data-language-autonym="Íslenska" data-language-local-name="Icelandic" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Rame" title="Rame – Italian" lang="it" hreflang="it" data-title="Rame" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%A0%D7%97%D7%95%D7%A9%D7%AA" title="נחושת – Hebrew" lang="he" hreflang="he" data-title="נחושת" data-language-autonym="עברית" data-language-local-name="Hebrew" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-jv mw-list-item"><a href="https://jv.wikipedia.org/wiki/Tembaga" title="Tembaga – Javanese" lang="jv" hreflang="jv" data-title="Tembaga" data-language-autonym="Jawa" data-language-local-name="Javanese" class="interlanguage-link-target"><span>Jawa</span></a></li><li class="interlanguage-link interwiki-kbp mw-list-item"><a href="https://kbp.wikipedia.org/wiki/Kwivri" title="Kwivri – Kabiye" lang="kbp" hreflang="kbp" data-title="Kwivri" data-language-autonym="Kabɩyɛ" data-language-local-name="Kabiye" class="interlanguage-link-target"><span>Kabɩyɛ</span></a></li><li class="interlanguage-link interwiki-kn mw-list-item"><a href="https://kn.wikipedia.org/wiki/%E0%B2%A4%E0%B2%BE%E0%B2%AE%E0%B3%8D%E0%B2%B0" title="ತಾಮ್ರ – Kannada" lang="kn" hreflang="kn" data-title="ತಾಮ್ರ" data-language-autonym="ಕನ್ನಡ" data-language-local-name="Kannada" class="interlanguage-link-target"><span>ಕನ್ನಡ</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A1%E1%83%9E%E1%83%98%E1%83%9A%E1%83%94%E1%83%9C%E1%83%AB%E1%83%98" title="სპილენძი – Georgian" lang="ka" hreflang="ka" data-title="სპილენძი" data-language-autonym="ქართული" data-language-local-name="Georgian" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-ks mw-list-item"><a href="https://ks.wikipedia.org/wiki/%D8%AA%D8%B1%D9%9B%D8%A7%D9%85" title="ترٛام – Kashmiri" lang="ks" hreflang="ks" data-title="ترٛام" data-language-autonym="कॉशुर / کٲشُر" data-language-local-name="Kashmiri" class="interlanguage-link-target"><span>कॉशुर / کٲشُر</span></a></li><li class="interlanguage-link interwiki-csb mw-list-item"><a href="https://csb.wikipedia.org/wiki/K%C3%B2per" title="Kòper – Kashubian" lang="csb" hreflang="csb" data-title="Kòper" data-language-autonym="Kaszëbsczi" data-language-local-name="Kashubian" class="interlanguage-link-target"><span>Kaszëbsczi</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9C%D1%8B%D1%81" title="Мыс – Kazakh" lang="kk" hreflang="kk" data-title="Мыс" data-language-autonym="Қазақша" data-language-local-name="Kazakh" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-kw mw-list-item"><a href="https://kw.wikipedia.org/wiki/Kober" title="Kober – Cornish" lang="kw" hreflang="kw" data-title="Kober" data-language-autonym="Kernowek" data-language-local-name="Cornish" class="interlanguage-link-target"><span>Kernowek</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Shaba" title="Shaba – Swahili" lang="sw" hreflang="sw" data-title="Shaba" data-language-autonym="Kiswahili" data-language-local-name="Swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-kv mw-list-item"><a href="https://kv.wikipedia.org/wiki/%D0%AB%D1%80%D0%B3%D3%A7%D0%BD" title="Ыргӧн – Komi" lang="kv" hreflang="kv" data-title="Ыргӧн" data-language-autonym="Коми" data-language-local-name="Komi" class="interlanguage-link-target"><span>Коми</span></a></li><li class="interlanguage-link interwiki-kg mw-list-item"><a href="https://kg.wikipedia.org/wiki/Mutako" title="Mutako – Kongo" lang="kg" hreflang="kg" data-title="Mutako" data-language-autonym="Kongo" data-language-local-name="Kongo" class="interlanguage-link-target"><span>Kongo</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Kwiv" title="Kwiv – Haitian Creole" lang="ht" hreflang="ht" data-title="Kwiv" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-gcr mw-list-item"><a href="https://gcr.wikipedia.org/wiki/Kwiv" title="Kwiv – Guianan Creole" lang="gcr" hreflang="gcr" data-title="Kwiv" data-language-autonym="Kriyòl gwiyannen" data-language-local-name="Guianan Creole" class="interlanguage-link-target"><span>Kriyòl gwiyannen</span></a></li><li class="interlanguage-link interwiki-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/Mis" title="Mis – Kurdish" lang="ku" hreflang="ku" data-title="Mis" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/%D0%96%D0%B5%D0%B7" title="Жез – Kyrgyz" lang="ky" hreflang="ky" data-title="Жез" data-language-autonym="Кыргызча" data-language-local-name="Kyrgyz" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-mrj mw-list-item"><a href="https://mrj.wikipedia.org/wiki/%D0%92%D3%B9%D1%80%D0%B3%D0%B5%D0%BD%D1%8C%D3%B9" title="Вӹргеньӹ – Western Mari" lang="mrj" hreflang="mrj" data-title="Вӹргеньӹ" data-language-autonym="Кырык мары" data-language-local-name="Western Mari" class="interlanguage-link-target"><span>Кырык мары</span></a></li><li class="interlanguage-link interwiki-lld mw-list-item"><a href="https://lld.wikipedia.org/wiki/Ram" title="Ram – Ladin" lang="lld" hreflang="lld" data-title="Ram" data-language-autonym="Ladin" data-language-local-name="Ladin" class="interlanguage-link-target"><span>Ladin</span></a></li><li class="interlanguage-link interwiki-lbe mw-list-item"><a href="https://lbe.wikipedia.org/wiki/%D0%94%D1%83%D0%B2%D1%81%D1%81%D0%B8" title="Дувсси – Lak" lang="lbe" hreflang="lbe" data-title="Дувсси" data-language-autonym="Лакку" data-language-local-name="Lak" class="interlanguage-link-target"><span>Лакку</span></a></li><li class="interlanguage-link interwiki-lo mw-list-item"><a href="https://lo.wikipedia.org/wiki/%E0%BA%97%E0%BA%AD%E0%BA%87%E0%BB%81%E0%BA%94%E0%BA%87" title="ທອງແດງ – Lao" lang="lo" hreflang="lo" data-title="ທອງແດງ" data-language-autonym="ລາວ" data-language-local-name="Lao" class="interlanguage-link-target"><span>ລາວ</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Cuprum" title="Cuprum – Latin" lang="la" hreflang="la" data-title="Cuprum" data-language-autonym="Latina" data-language-local-name="Latin" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Var%C5%A1" title="Varš – Latvian" lang="lv" hreflang="lv" data-title="Varš" data-language-autonym="Latviešu" data-language-local-name="Latvian" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lb mw-list-item"><a href="https://lb.wikipedia.org/wiki/Koffer" title="Koffer – Luxembourgish" lang="lb" hreflang="lb" data-title="Koffer" data-language-autonym="Lëtzebuergesch" data-language-local-name="Luxembourgish" class="interlanguage-link-target"><span>Lëtzebuergesch</span></a></li><li class="interlanguage-link interwiki-lez mw-list-item"><a href="https://lez.wikipedia.org/wiki/%D0%A6%D1%83%D1%80" title="Цур – Lezghian" lang="lez" hreflang="lez" data-title="Цур" data-language-autonym="Лезги" data-language-local-name="Lezghian" class="interlanguage-link-target"><span>Лезги</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Varis" title="Varis – Lithuanian" lang="lt" hreflang="lt" data-title="Varis" data-language-autonym="Lietuvių" data-language-local-name="Lithuanian" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-nia mw-list-item"><a href="https://nia.wikipedia.org/wiki/Tambag%C3%B6" title="Tambagö – Nias" lang="nia" hreflang="nia" data-title="Tambagö" data-language-autonym="Li Niha" data-language-local-name="Nias" class="interlanguage-link-target"><span>Li Niha</span></a></li><li class="interlanguage-link interwiki-lij mw-list-item"><a href="https://lij.wikipedia.org/wiki/Rammo_(elemento)" title="Rammo (elemento) – Ligurian" lang="lij" hreflang="lij" data-title="Rammo (elemento)" data-language-autonym="Ligure" data-language-local-name="Ligurian" class="interlanguage-link-target"><span>Ligure</span></a></li><li class="interlanguage-link interwiki-li mw-list-item"><a href="https://li.wikipedia.org/wiki/Koper" title="Koper – Limburgish" lang="li" hreflang="li" data-title="Koper" data-language-autonym="Limburgs" data-language-local-name="Limburgish" class="interlanguage-link-target"><span>Limburgs</span></a></li><li class="interlanguage-link interwiki-lfn mw-list-item"><a href="https://lfn.wikipedia.org/wiki/Cupre" title="Cupre – Lingua Franca Nova" lang="lfn" hreflang="lfn" data-title="Cupre" data-language-autonym="Lingua Franca Nova" data-language-local-name="Lingua Franca Nova" class="interlanguage-link-target"><span>Lingua Franca Nova</span></a></li><li class="interlanguage-link interwiki-olo mw-list-item"><a href="https://olo.wikipedia.org/wiki/Vaski" title="Vaski – Livvi-Karelian" lang="olo" hreflang="olo" data-title="Vaski" data-language-autonym="Livvinkarjala" data-language-local-name="Livvi-Karelian" class="interlanguage-link-target"><span>Livvinkarjala</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/tunka" title="tunka – Lojban" lang="jbo" hreflang="jbo" data-title="tunka" data-language-autonym="La .lojban." data-language-local-name="Lojban" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-lg mw-list-item"><a href="https://lg.wikipedia.org/wiki/Kkopa_(Copper)" title="Kkopa (Copper) – Ganda" lang="lg" hreflang="lg" data-title="Kkopa (Copper)" data-language-autonym="Luganda" data-language-local-name="Ganda" class="interlanguage-link-target"><span>Luganda</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Ram_(element_chimich)" title="Ram (element chimich) – Lombard" lang="lmo" hreflang="lmo" data-title="Ram (element chimich)" data-language-autonym="Lombard" data-language-local-name="Lombard" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/R%C3%A9z" title="Réz – Hungarian" lang="hu" hreflang="hu" data-title="Réz" data-language-autonym="Magyar" data-language-local-name="Hungarian" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%91%D0%B0%D0%BA%D0%B0%D1%80" title="Бакар – Macedonian" lang="mk" hreflang="mk" data-title="Бакар" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mg mw-list-item"><a href="https://mg.wikipedia.org/wiki/Varahina" title="Varahina – Malagasy" lang="mg" hreflang="mg" data-title="Varahina" data-language-autonym="Malagasy" data-language-local-name="Malagasy" class="interlanguage-link-target"><span>Malagasy</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%9A%E0%B5%86%E0%B4%AE%E0%B5%8D%E0%B4%AA%E0%B5%8D" title="ചെമ്പ് – Malayalam" lang="ml" hreflang="ml" data-title="ചെമ്പ്" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mi mw-list-item"><a href="https://mi.wikipedia.org/wiki/Konukura" title="Konukura – Māori" lang="mi" hreflang="mi" data-title="Konukura" data-language-autonym="Māori" data-language-local-name="Māori" class="interlanguage-link-target"><span>Māori</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%A4%E0%A4%BE%E0%A4%82%E0%A4%AC%E0%A5%87" title="तांबे – Marathi" lang="mr" hreflang="mr" data-title="तांबे" data-language-autonym="मराठी" data-language-local-name="Marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-xmf mw-list-item"><a href="https://xmf.wikipedia.org/wiki/%E1%83%9A%E1%83%98%E1%83%9C%E1%83%AF%E1%83%98" title="ლინჯი – Mingrelian" lang="xmf" hreflang="xmf" data-title="ლინჯი" data-language-autonym="მარგალური" data-language-local-name="Mingrelian" class="interlanguage-link-target"><span>მარგალური</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%86%D8%AD%D8%A7%D8%B3" title="نحاس – Egyptian Arabic" lang="arz" hreflang="arz" data-title="نحاس" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Tembaga" title="Tembaga – Malay" lang="ms" hreflang="ms" data-title="Tembaga" 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-mni mw-list-item"><a href="https://mni.wikipedia.org/wiki/%EA%AF%80%EA%AF%A3%EA%AF%94%EA%AF%A4" title="ꯀꯣꯔꯤ – Manipuri" lang="mni" hreflang="mni" data-title="ꯀꯣꯔꯤ" data-language-autonym="ꯃꯤꯇꯩ ꯂꯣꯟ" data-language-local-name="Manipuri" class="interlanguage-link-target"><span>ꯃꯤꯇꯩ ꯂꯣꯟ</span></a></li><li class="interlanguage-link interwiki-cdo mw-list-item"><a href="https://cdo.wikipedia.org/wiki/D%C3%A8%CC%A4ng" title="Dè̤ng – Mindong" lang="cdo" hreflang="cdo" data-title="Dè̤ng" data-language-autonym="閩東語 / Mìng-dĕ̤ng-ngṳ̄" data-language-local-name="Mindong" class="interlanguage-link-target"><span>閩東語 / Mìng-dĕ̤ng-ngṳ̄</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%97%D1%8D%D1%81" title="Зэс – Mongolian" lang="mn" hreflang="mn" data-title="Зэс" data-language-autonym="Монгол" data-language-local-name="Mongolian" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/%E1%80%80%E1%80%BC%E1%80%B1%E1%80%B8%E1%80%94%E1%80%AE" title="ကြေးနီ – Burmese" lang="my" hreflang="my" data-title="ကြေးနီ" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nah mw-list-item"><a href="https://nah.wikipedia.org/wiki/Chichiltic_tepoztli" title="Chichiltic tepoztli – Nahuatl" lang="nah" hreflang="nah" data-title="Chichiltic tepoztli" data-language-autonym="Nāhuatl" data-language-local-name="Nahuatl" class="interlanguage-link-target"><span>Nāhuatl</span></a></li><li class="interlanguage-link interwiki-fj mw-list-item"><a href="https://fj.wikipedia.org/wiki/Kopa" title="Kopa – Fijian" lang="fj" hreflang="fj" data-title="Kopa" data-language-autonym="Na Vosa Vakaviti" data-language-local-name="Fijian" class="interlanguage-link-target"><span>Na Vosa Vakaviti</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Koper_(element)" title="Koper (element) – Dutch" lang="nl" hreflang="nl" data-title="Koper (element)" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nds-nl mw-list-item"><a href="https://nds-nl.wikipedia.org/wiki/Keuper" title="Keuper – Low Saxon" lang="nds-NL" hreflang="nds-NL" data-title="Keuper" data-language-autonym="Nedersaksies" data-language-local-name="Low Saxon" class="interlanguage-link-target"><span>Nedersaksies</span></a></li><li class="interlanguage-link interwiki-ne mw-list-item"><a href="https://ne.wikipedia.org/wiki/%E0%A4%A4%E0%A4%BE%E0%A4%AE%E0%A4%BE" title="तामा – Nepali" lang="ne" hreflang="ne" data-title="तामा" data-language-autonym="नेपाली" data-language-local-name="Nepali" class="interlanguage-link-target"><span>नेपाली</span></a></li><li class="interlanguage-link interwiki-new mw-list-item"><a href="https://new.wikipedia.org/wiki/%E0%A4%B8%E0%A5%80%E0%A4%9C%E0%A4%83" title="सीजः – Newari" lang="new" hreflang="new" data-title="सीजः" data-language-autonym="नेपाल भाषा" data-language-local-name="Newari" class="interlanguage-link-target"><span>नेपाल भाषा</span></a></li><li class="interlanguage-link interwiki-ja badge-Q17437798 badge-goodarticle mw-list-item" title="good article badge"><a href="https://ja.wikipedia.org/wiki/%E9%8A%85" title="銅 – Japanese" lang="ja" hreflang="ja" data-title="銅" 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-nap mw-list-item"><a href="https://nap.wikipedia.org/wiki/Ramma" title="Ramma – Neapolitan" lang="nap" hreflang="nap" data-title="Ramma" data-language-autonym="Napulitano" data-language-local-name="Neapolitan" class="interlanguage-link-target"><span>Napulitano</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/K%C3%B6%C3%B6ber" title="Kööber – Northern Frisian" lang="frr" hreflang="frr" data-title="Kööber" data-language-autonym="Nordfriisk" data-language-local-name="Northern Frisian" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Kobber" title="Kobber – Norwegian Bokmål" lang="nb" hreflang="nb" data-title="Kobber" data-language-autonym="Norsk bokmål" data-language-local-name="Norwegian Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Kopar" title="Kopar – Norwegian Nynorsk" lang="nn" hreflang="nn" data-title="Kopar" data-language-autonym="Norsk nynorsk" data-language-local-name="Norwegian Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Coire" title="Coire – Occitan" lang="oc" hreflang="oc" data-title="Coire" data-language-autonym="Occitan" data-language-local-name="Occitan" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%A4%E0%AC%AE%E0%AD%8D%E0%AC%AC%E0%AC%BE" title="ତମ୍ବା – Odia" lang="or" hreflang="or" data-title="ତମ୍ବା" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="Odia" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-om mw-list-item"><a href="https://om.wikipedia.org/wiki/Sibiila_diimaa" title="Sibiila diimaa – Oromo" lang="om" hreflang="om" data-title="Sibiila diimaa" data-language-autonym="Oromoo" data-language-local-name="Oromo" class="interlanguage-link-target"><span>Oromoo</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Mis" title="Mis – Uzbek" lang="uz" hreflang="uz" data-title="Mis" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="Uzbek" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%A4%E0%A8%BE%E0%A8%82%E0%A8%AC%E0%A8%BE" title="ਤਾਂਬਾ – Punjabi" lang="pa" hreflang="pa" data-title="ਤਾਂਬਾ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="Punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%AA%D8%A7%D9%86%D8%A8%D8%A7" title="تانبا – Western Punjabi" lang="pnb" hreflang="pnb" data-title="تانبا" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/%E1%80%90%E1%80%B1%E1%80%AC%E1%80%84%E1%80%BA%EA%A9%BB%E1%80%90%E1%80%94%E1%80%BB%E1%80%AC%E1%82%8F" title="တောင်ꩻတနျာႏ – Pa'O" lang="blk" hreflang="blk" data-title="တောင်ꩻတနျာႏ" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-pap mw-list-item"><a href="https://pap.wikipedia.org/wiki/Koper" title="Koper – Papiamento" lang="pap" hreflang="pap" data-title="Koper" data-language-autonym="Papiamentu" data-language-local-name="Papiamento" class="interlanguage-link-target"><span>Papiamentu</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%AA%D8%A7%D9%85%D8%A8%D9%87" title="تامبه – Pashto" lang="ps" hreflang="ps" data-title="تامبه" data-language-autonym="پښتو" data-language-local-name="Pashto" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-jam mw-list-item"><a href="https://jam.wikipedia.org/wiki/Kapa" title="Kapa – Jamaican Creole English" lang="jam" hreflang="jam" data-title="Kapa" data-language-autonym="Patois" data-language-local-name="Jamaican Creole English" class="interlanguage-link-target"><span>Patois</span></a></li><li class="interlanguage-link interwiki-koi mw-list-item"><a href="https://koi.wikipedia.org/wiki/%D0%AB%D1%80%D0%B3%D3%A7%D0%BD" title="Ыргӧн – Komi-Permyak" lang="koi" hreflang="koi" data-title="Ыргӧн" data-language-autonym="Перем коми" data-language-local-name="Komi-Permyak" class="interlanguage-link-target"><span>Перем коми</span></a></li><li class="interlanguage-link interwiki-pms mw-list-item"><a href="https://pms.wikipedia.org/wiki/Aram" title="Aram – Piedmontese" lang="pms" hreflang="pms" data-title="Aram" data-language-autonym="Piemontèis" data-language-local-name="Piedmontese" class="interlanguage-link-target"><span>Piemontèis</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Kopper" title="Kopper – Low German" lang="nds" hreflang="nds" data-title="Kopper" data-language-autonym="Plattdüütsch" data-language-local-name="Low German" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Mied%C5%BA" title="Miedź – Polish" lang="pl" hreflang="pl" data-title="Miedź" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Cobre" title="Cobre – Portuguese" lang="pt" hreflang="pt" data-title="Cobre" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ksh mw-list-item"><a href="https://ksh.wikipedia.org/wiki/Koffer_(Metall)" title="Koffer (Metall) – Colognian" lang="ksh" hreflang="ksh" data-title="Koffer (Metall)" data-language-autonym="Ripoarisch" data-language-local-name="Colognian" class="interlanguage-link-target"><span>Ripoarisch</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Cupru" title="Cupru – Romanian" lang="ro" hreflang="ro" data-title="Cupru" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-qu mw-list-item"><a href="https://qu.wikipedia.org/wiki/Anta" title="Anta – Quechua" lang="qu" hreflang="qu" data-title="Anta" data-language-autonym="Runa Simi" data-language-local-name="Quechua" class="interlanguage-link-target"><span>Runa Simi</span></a></li><li class="interlanguage-link interwiki-rue mw-list-item"><a href="https://rue.wikipedia.org/wiki/%D0%9C%D1%96%D0%B4%D1%8C" title="Мідь – Rusyn" lang="rue" hreflang="rue" data-title="Мідь" data-language-autonym="Русиньскый" data-language-local-name="Rusyn" class="interlanguage-link-target"><span>Русиньскый</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9C%D0%B5%D0%B4%D1%8C" title="Медь – Russian" lang="ru" hreflang="ru" data-title="Медь" data-language-autonym="Русский" data-language-local-name="Russian" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sah mw-list-item"><a href="https://sah.wikipedia.org/wiki/%D0%90%D0%BB%D1%82%D0%B0%D0%BD_(%D1%85%D0%B8%D0%BC%D0%B8%D1%8F_%D1%8D%D0%BB%D1%8D%D0%BC%D0%B8%D1%8D%D0%BD%D1%8D)" title="Алтан (химия элэмиэнэ) – Yakut" lang="sah" hreflang="sah" data-title="Алтан (химия элэмиэнэ)" data-language-autonym="Саха тыла" data-language-local-name="Yakut" class="interlanguage-link-target"><span>Саха тыла</span></a></li><li class="interlanguage-link interwiki-sa mw-list-item"><a href="https://sa.wikipedia.org/wiki/%E0%A4%A4%E0%A4%BE%E0%A4%AE%E0%A5%8D%E0%A4%B0%E0%A4%AE%E0%A5%8D" title="ताम्रम् – Sanskrit" lang="sa" hreflang="sa" data-title="ताम्रम्" data-language-autonym="संस्कृतम्" data-language-local-name="Sanskrit" class="interlanguage-link-target"><span>संस्कृतम्</span></a></li><li class="interlanguage-link interwiki-sc mw-list-item"><a href="https://sc.wikipedia.org/wiki/R%C3%A0mine" title="Ràmine – Sardinian" lang="sc" hreflang="sc" data-title="Ràmine" data-language-autonym="Sardu" data-language-local-name="Sardinian" class="interlanguage-link-target"><span>Sardu</span></a></li><li class="interlanguage-link interwiki-sco mw-list-item"><a href="https://sco.wikipedia.org/wiki/Capper" title="Capper – Scots" lang="sco" hreflang="sco" data-title="Capper" data-language-autonym="Scots" data-language-local-name="Scots" class="interlanguage-link-target"><span>Scots</span></a></li><li class="interlanguage-link interwiki-stq mw-list-item"><a href="https://stq.wikipedia.org/wiki/Kooper" title="Kooper – Saterland Frisian" lang="stq" hreflang="stq" data-title="Kooper" data-language-autonym="Seeltersk" data-language-local-name="Saterland Frisian" class="interlanguage-link-target"><span>Seeltersk</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Bakri" title="Bakri – Albanian" lang="sq" hreflang="sq" data-title="Bakri" data-language-autonym="Shqip" data-language-local-name="Albanian" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-scn mw-list-item"><a href="https://scn.wikipedia.org/wiki/Ramu" title="Ramu – Sicilian" lang="scn" hreflang="scn" data-title="Ramu" data-language-autonym="Sicilianu" data-language-local-name="Sicilian" class="interlanguage-link-target"><span>Sicilianu</span></a></li><li class="interlanguage-link interwiki-sd mw-list-item"><a href="https://sd.wikipedia.org/wiki/%D9%BD%D8%A7%D9%85%D9%88" title="ٽامو – Sindhi" lang="sd" hreflang="sd" data-title="ٽامو" data-language-autonym="سنڌي" data-language-local-name="Sindhi" class="interlanguage-link-target"><span>سنڌي</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Me%C4%8F" title="Meď – Slovak" lang="sk" hreflang="sk" data-title="Meď" data-language-autonym="Slovenčina" data-language-local-name="Slovak" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Baker" title="Baker – Slovenian" lang="sl" hreflang="sl" data-title="Baker" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-so mw-list-item"><a href="https://so.wikipedia.org/wiki/Kober" title="Kober – Somali" lang="so" hreflang="so" data-title="Kober" data-language-autonym="Soomaaliga" data-language-local-name="Somali" class="interlanguage-link-target"><span>Soomaaliga</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D9%85%D8%B3" title="مس – Central Kurdish" lang="ckb" hreflang="ckb" data-title="مس" data-language-autonym="کوردی" data-language-local-name="Central Kurdish" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%91%D0%B0%D0%BA%D0%B0%D1%80" title="Бакар – Serbian" lang="sr" hreflang="sr" data-title="Бакар" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Bakar" title="Bakar – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Bakar" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Tambaga" title="Tambaga – Sundanese" lang="su" hreflang="su" data-title="Tambaga" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Kupari" title="Kupari – Finnish" lang="fi" hreflang="fi" data-title="Kupari" 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/Koppar" title="Koppar – Swedish" lang="sv" hreflang="sv" data-title="Koppar" data-language-autonym="Svenska" data-language-local-name="Swedish" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Tanso_(elemento)" title="Tanso (elemento) – Tagalog" lang="tl" hreflang="tl" data-title="Tanso (elemento)" data-language-autonym="Tagalog" data-language-local-name="Tagalog" class="interlanguage-link-target"><span>Tagalog</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%9A%E0%AF%86%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81" title="செப்பு – Tamil" lang="ta" hreflang="ta" data-title="செப்பு" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-kab mw-list-item"><a href="https://kab.wikipedia.org/wiki/I%C9%A3ir" title="Iɣir – Kabyle" lang="kab" hreflang="kab" data-title="Iɣir" data-language-autonym="Taqbaylit" data-language-local-name="Kabyle" class="interlanguage-link-target"><span>Taqbaylit</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/%D0%91%D0%B0%D0%BA%D1%8B%D1%80" title="Бакыр – Tatar" lang="tt" hreflang="tt" data-title="Бакыр" data-language-autonym="Татарча / tatarça" data-language-local-name="Tatar" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B0%E0%B0%BE%E0%B0%97%E0%B0%BF" title="రాగి – Telugu" lang="te" hreflang="te" data-title="రాగి" data-language-autonym="తెలుగు" data-language-local-name="Telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%97%E0%B8%AD%E0%B8%87%E0%B9%81%E0%B8%94%E0%B8%87" title="ทองแดง – Thai" lang="th" hreflang="th" data-title="ทองแดง" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%9C%D0%B8%D1%81" title="Мис – Tajik" lang="tg" hreflang="tg" data-title="Мис" data-language-autonym="Тоҷикӣ" data-language-local-name="Tajik" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-chr mw-list-item"><a href="https://chr.wikipedia.org/wiki/%E1%8E%A5%E1%8F%A3%E1%8F%B1" title="ᎥᏣᏱ – Cherokee" lang="chr" hreflang="chr" data-title="ᎥᏣᏱ" data-language-autonym="ᏣᎳᎩ" data-language-local-name="Cherokee" class="interlanguage-link-target"><span>ᏣᎳᎩ</span></a></li><li class="interlanguage-link interwiki-tcy mw-list-item"><a href="https://tcy.wikipedia.org/wiki/%E0%B2%A4%E0%B2%BE%E0%B2%AE%E0%B3%8D%E0%B2%B0%E0%B2%A6_%E0%B2%85%E0%B2%A6%E0%B3%81%E0%B2%B0%E0%B3%81" title="ತಾಮ್ರದ ಅದುರು – Tulu" lang="tcy" hreflang="tcy" data-title="ತಾಮ್ರದ ಅದುರು" data-language-autonym="ತುಳು" data-language-local-name="Tulu" class="interlanguage-link-target"><span>ತುಳು</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Bak%C4%B1r" title="Bakır – Turkish" lang="tr" hreflang="tr" data-title="Bakır" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-tyv mw-list-item"><a href="https://tyv.wikipedia.org/wiki/%D0%A7%D0%B5%D1%81" title="Чес – Tuvinian" lang="tyv" hreflang="tyv" data-title="Чес" data-language-autonym="Тыва дыл" data-language-local-name="Tuvinian" class="interlanguage-link-target"><span>Тыва дыл</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%9C%D1%96%D0%B4%D1%8C" title="Мідь – Ukrainian" lang="uk" hreflang="uk" data-title="Мідь" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%AA%D8%A7%D9%86%D8%A8%D8%A7" title="تانبا – Urdu" lang="ur" hreflang="ur" data-title="تانبا" data-language-autonym="اردو" data-language-local-name="Urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-ug mw-list-item"><a href="https://ug.wikipedia.org/wiki/%D9%85%D9%89%D8%B3" title="مىس – Uyghur" lang="ug" hreflang="ug" data-title="مىس" data-language-autonym="ئۇيغۇرچە / Uyghurche" data-language-local-name="Uyghur" class="interlanguage-link-target"><span>ئۇيغۇرچە / Uyghurche</span></a></li><li class="interlanguage-link interwiki-za mw-list-item"><a href="https://za.wikipedia.org/wiki/Doengz" title="Doengz – Zhuang" lang="za" hreflang="za" data-title="Doengz" data-language-autonym="Vahcuengh" data-language-local-name="Zhuang" class="interlanguage-link-target"><span>Vahcuengh</span></a></li><li class="interlanguage-link interwiki-vec mw-list-item"><a href="https://vec.wikipedia.org/wiki/Ramo" title="Ramo – Venetian" lang="vec" hreflang="vec" data-title="Ramo" data-language-autonym="Vèneto" data-language-local-name="Venetian" class="interlanguage-link-target"><span>Vèneto</span></a></li><li class="interlanguage-link interwiki-vep mw-list-item"><a href="https://vep.wikipedia.org/wiki/Vas%27k" title="Vas'k – Veps" lang="vep" hreflang="vep" data-title="Vas'k" data-language-autonym="Vepsän kel’" data-language-local-name="Veps" class="interlanguage-link-target"><span>Vepsän kel’</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/%C4%90%E1%BB%93ng" title="Đồng – Vietnamese" lang="vi" hreflang="vi" data-title="Đồng" data-language-autonym="Tiếng Việt" data-language-local-name="Vietnamese" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-vo mw-list-item"><a href="https://vo.wikipedia.org/wiki/Kuprin" title="Kuprin – Volapük" lang="vo" hreflang="vo" data-title="Kuprin" data-language-autonym="Volapük" data-language-local-name="Volapük" class="interlanguage-link-target"><span>Volapük</span></a></li><li class="interlanguage-link interwiki-fiu-vro mw-list-item"><a href="https://fiu-vro.wikipedia.org/wiki/Vask" title="Vask – Võro" lang="vro" hreflang="vro" data-title="Vask" data-language-autonym="Võro" data-language-local-name="Võro" class="interlanguage-link-target"><span>Võro</span></a></li><li class="interlanguage-link interwiki-wa mw-list-item"><a href="https://wa.wikipedia.org/wiki/Keuve" title="Keuve – Walloon" lang="wa" hreflang="wa" data-title="Keuve" data-language-autonym="Walon" data-language-local-name="Walloon" class="interlanguage-link-target"><span>Walon</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%8A%85" title="銅 – Literary Chinese" lang="lzh" hreflang="lzh" data-title="銅" data-language-autonym="文言" data-language-local-name="Literary Chinese" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Tumbaga" title="Tumbaga – Waray" lang="war" hreflang="war" data-title="Tumbaga" data-language-autonym="Winaray" data-language-local-name="Waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%93%9C" title="铜 – Wu" lang="wuu" hreflang="wuu" data-title="铜" data-language-autonym="吴语" data-language-local-name="Wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-yi mw-list-item"><a href="https://yi.wikipedia.org/wiki/%D7%A7%D7%95%D7%A4%D7%A2%D7%A8" title="קופער – Yiddish" lang="yi" hreflang="yi" data-title="קופער" data-language-autonym="ייִדיש" data-language-local-name="Yiddish" class="interlanguage-link-target"><span>ייִדיש</span></a></li><li class="interlanguage-link interwiki-yo mw-list-item"><a href="https://yo.wikipedia.org/wiki/B%C3%A0b%C3%A0" title="Bàbà – Yoruba" lang="yo" hreflang="yo" data-title="Bàbà" data-language-autonym="Yorùbá" data-language-local-name="Yoruba" class="interlanguage-link-target"><span>Yorùbá</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%8A%85" title="銅 – Cantonese" lang="yue" hreflang="yue" data-title="銅" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-diq mw-list-item"><a href="https://diq.wikipedia.org/wiki/Pax%C4%B1r" title="Paxır – Zazaki" lang="diq" hreflang="diq" data-title="Paxır" data-language-autonym="Zazaki" data-language-local-name="Zazaki" class="interlanguage-link-target"><span>Zazaki</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Varis" title="Varis – Samogitian" lang="sgs" hreflang="sgs" data-title="Varis" data-language-autonym="Žemaitėška" data-language-local-name="Samogitian" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%93%9C" title="铜 – Chinese" lang="zh" hreflang="zh" data-title="铜" data-language-autonym="中文" data-language-local-name="Chinese" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zgh mw-list-item"><a href="https://zgh.wikipedia.org/wiki/%E2%B4%B0%E2%B5%8F%E2%B4%B0%E2%B5%99" title="ⴰⵏⴰⵙ – Standard Moroccan Tamazight" lang="zgh" hreflang="zgh" data-title="ⴰⵏⴰⵙ" data-language-autonym="ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ" data-language-local-name="Standard Moroccan Tamazight" class="interlanguage-link-target"><span>ⵜⴰⵎⴰⵣⵉⵖⵜ ⵜⴰⵏⴰⵡⴰⵢⵜ</span></a></li> </ul> <div 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//upload.wikimedia.org/wikipedia/commons/thumb/9/98/Cu%2C29.jpg/440px-Cu%2C29.jpg 2x" data-file-width="600" data-file-height="298" /></a><figcaption>Some small pieces of copper in a tube. Recently processed copper is a pink color. The color changes to the more familiar orange when it reacts with air.</figcaption></figure><figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Tinned_Copper_Wire_anaglyph.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/Tinned_Copper_Wire_anaglyph.jpg/220px-Tinned_Copper_Wire_anaglyph.jpg" decoding="async" width="220" height="251" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/Tinned_Copper_Wire_anaglyph.jpg/330px-Tinned_Copper_Wire_anaglyph.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/67/Tinned_Copper_Wire_anaglyph.jpg/440px-Tinned_Copper_Wire_anaglyph.jpg 2x" data-file-width="1324" data-file-height="1513" /></a><figcaption>Copper</figcaption></figure> <p><b>Copper</b> is a <a href="/wiki/Chemical_element" title="Chemical element">chemical element</a>. It is the 29th element in the <a href="/wiki/Periodic_table" title="Periodic table">periodic table</a>. Its <a href="/wiki/Atomic_weight" class="mw-redirect" title="Atomic weight">atomic weight</a> is 63.55. It is a <a href="/wiki/Transition_metal" title="Transition metal">transition metal</a> in the middle of the periodic table. The symbol for copper is "Cu", which comes from the <a href="/wiki/Latin" title="Latin">Latin</a> word <i>cuprum</i>, which, in turn, came from the Latin word for the island of <a href="/wiki/Cyprus" title="Cyprus">Cyprus</a>, where copper was found. <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> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Properties">Properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=1" title="Change section: Properties" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=1" title="Edit section's source code: Properties"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Physical_properties">Physical properties</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=2" title="Change section: Physical properties" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=2" title="Edit section's source code: Physical properties"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Cu-Scheibe.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Cu-Scheibe.JPG/220px-Cu-Scheibe.JPG" decoding="async" width="220" height="218" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/17/Cu-Scheibe.JPG/330px-Cu-Scheibe.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/17/Cu-Scheibe.JPG/440px-Cu-Scheibe.JPG 2x" data-file-width="3616" data-file-height="3584" /></a><figcaption>Copper disc, acid etched, you see the normally invisible crystalline structure</figcaption></figure> <p>Copper is a reddish-orange color when it is pure, but soon gets a reddish <a href="/wiki/Tarnish" title="Tarnish">tarnish</a> after it is exposed to air. </p><p>Copper is one of the few coloured metals. Most metals are gray or silver. <a href="/wiki/Gold" title="Gold">Gold</a>, copper, <a href="/wiki/Caesium" title="Caesium">caesium</a> and <a href="/wiki/Osmium" title="Osmium">osmium</a> are the only four coloured metals. It is <a href="/wiki/Magnet" title="Magnet">magnetic</a>. Copper is green as <a href="/wiki/Copper(II)_carbonate" title="Copper(II) carbonate">copper(II) carbonate</a> and <a href="/wiki/Copper(II)_hydroxide" title="Copper(II) hydroxide">copper(II) hydroxide</a>. It turns green because it oxidizes. After a time in the air, copper forms green copper carbonate at the surface, called <a href="/w/index.php?title=Verdigris&action=edit&redlink=1" class="new" title="Verdigris (not yet started)">verdigris</a>. That is why the copper roof of a building looks green. </p><p>Copper is very flexible and <a href="https://simple.wiktionary.org/wiki/ductile" class="extiw" title="wikt:ductile">ductile</a>. It can be stretched into wires easily. Copper is also very soft, it has a <a href="/wiki/Mohs_scale_of_mineral_hardness" title="Mohs scale of mineral hardness">Mohs hardness</a> of 2.5 to 3. That means that it is harder than a fingernail but softer than a steel pocketknife. </p><p>It reacts with solutions of <a href="/wiki/Hydrochloric_acid" title="Hydrochloric acid">hydrochloric acid</a> or <a href="/wiki/Ammonia" title="Ammonia">ammonia</a> containing <a href="/wiki/Oxygen" title="Oxygen">oxygen</a>. It can also dissolve in a mixture of <a href="/wiki/Hydrogen_peroxide" title="Hydrogen peroxide">hydrogen peroxide</a> and <a href="/wiki/Hydrochloric_acid" title="Hydrochloric acid">hydrochloric acid</a>. This makes <a href="/wiki/Copper(II)_chloride" title="Copper(II) chloride">copper(II) chloride</a>. It does not dissolve in weak acids. It can dissolve in <a href="/wiki/Nitric_acid" title="Nitric acid">nitric acid</a> to make <a href="/wiki/Copper(II)_nitrate" title="Copper(II) nitrate">copper(II) nitrate</a> and <a href="/wiki/Nitrogen_dioxide" title="Nitrogen dioxide">nitrogen dioxide</a> or <a href="/wiki/Nitric_oxide" title="Nitric oxide">nitric oxide</a>. </p> <div class="mw-heading mw-heading3"><h3 id="Compounds">Compounds</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=3" title="Change section: Compounds" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=3" title="Edit section's source code: Compounds"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Copper forms chemical compounds. In these compounds, it has two normal <a href="/wiki/Oxidation_state" title="Oxidation state">oxidation states</a>: +1 and +2. +2 is more common. Most +2 copper compounds are blue. +1 copper compounds can be white. Copper compounds are weak <a href="/wiki/Oxidizing_agent" title="Oxidizing agent">oxidizing agents</a>. They corrode many metals. This corrosion takes the metal and puts it in the chemical compound, leaving the copper behind. An example would be <a href="/wiki/Iron" title="Iron">iron</a> and <a href="/wiki/Copper(II)_sulfate" title="Copper(II) sulfate">copper(II) sulfate</a> reacting to make copper and <a href="/wiki/Iron(II)_sulfate" title="Iron(II) sulfate">iron(II) sulfate</a>. +1 copper compounds are <a href="/wiki/Reducing_agent" title="Reducing agent">reducing agents</a> when in air. They are normally made by <a href="/wiki/Reduction_(chemistry)" title="Reduction (chemistry)">reduction</a> of +2 compounds. </p><p>Copper compounds can be <a href="/wiki/Copper(II)_oxide" title="Copper(II) oxide">black</a>, <a href="/wiki/Copper(II)_chloride" title="Copper(II) chloride">green</a>, <a href="/wiki/Copper(I)_oxide" title="Copper(I) oxide">reddish</a>, <a href="/wiki/Copper(I)_chloride" title="Copper(I) chloride">white</a>, <a href="/wiki/Copper_sulfate" class="mw-redirect" title="Copper sulfate">blue</a>, or yellow. </p> <div class="mw-heading mw-heading4"><h4 id="Copper(I)_compounds"><span id="Copper.28I.29_compounds"></span>Copper(I) compounds</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=4" title="Change section: Copper(I) compounds" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=4" title="Edit section's source code: Copper(I) compounds"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Copper(I) compounds have copper in +1 oxidation state. They are weak <a href="/wiki/Reducing_agent" title="Reducing agent">reducing agents</a>. They react with air to make copper(II) compounds. They also <a href="/wiki/Disproportionation" title="Disproportionation">disproportionate</a> to copper and copper(II) compounds. Most of them do not dissolve in water. </p> <ul><li><a href="/wiki/Copper(I)_acetylide" title="Copper(I) acetylide">Copper(I) acetylide</a>, reddish brown, explosive</li> <li><a href="/wiki/Copper(I)_bromide" title="Copper(I) bromide">Copper(I) bromide</a></li> <li><a href="/wiki/Copper(I)_chloride" title="Copper(I) chloride">Copper(I) chloride</a>, white when pure, green when <a href="/wiki/Oxidation" class="mw-redirect" title="Oxidation">oxidized</a></li> <li><a href="/wiki/Copper(I)_iodide" title="Copper(I) iodide">Copper(I) iodide</a>, colorless solid</li> <li><a href="/wiki/Copper(I)_oxide" title="Copper(I) oxide">Copper(I) oxide</a>, reddish-brown</li></ul> <div class="mw-heading mw-heading4"><h4 id="Copper(II)_compounds"><span id="Copper.28II.29_compounds"></span>Copper(II) compounds</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=5" title="Change section: Copper(II) compounds" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=5" title="Edit section's source code: Copper(II) compounds"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Copper(II) compounds have copper in +2 oxidation state. They are weak <a href="/wiki/Oxidizing_agent" title="Oxidizing agent">oxidizing agents</a>. They are greenish when hydrous (water molecules added). They are more <a href="https://simple.wiktionary.org/wiki/stable" class="extiw" title="wikt:stable">stable</a> in air than copper(I) compounds. </p> <ul><li><a href="/wiki/Copper(II)_bromide" title="Copper(II) bromide">Copper(II) bromide</a>, gray solid</li> <li><a href="/wiki/Copper(II)_carbonate" title="Copper(II) carbonate">Copper(II) carbonate</a>, greenish, forms on copper when in air</li> <li><a href="/wiki/Copper(II)_chloride" title="Copper(II) chloride">Copper(II) chloride</a>, greenish when hydrous, brown when anhydrous</li> <li><a href="/wiki/Copper(II)_hydroxide" title="Copper(II) hydroxide">Copper(II) hydroxide</a>, light blue, turns into copper(II) carbonate easily</li> <li><a href="/wiki/Copper(II)_nitrate" title="Copper(II) nitrate">Copper(II) nitrate</a>, blue, oxidizing agent, used in <a href="https://simple.wiktionary.org/wiki/demonstration" class="extiw" title="wikt:demonstration">demonstration</a> <a href="/wiki/Voltaic_cell" class="mw-redirect" title="Voltaic cell">voltaic cells</a></li> <li><a href="/wiki/Copper(II)_oxide" title="Copper(II) oxide">Copper(II) oxide</a>, black</li> <li><a href="/wiki/Copper(II)_sulfate" title="Copper(II) sulfate">Copper(II) sulfate</a>, blue, most common copper compound</li> <li><a href="/wiki/Paris_Green" class="mw-redirect" title="Paris Green">Paris Green</a>, extremely toxic, bright blue-green</li></ul> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Copper_sulfate.jpg" class="mw-file-description" title="Copper(II) sulfate, a copper(II) compound"><img alt="Copper(II) sulfate, a copper(II) compound" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Copper_sulfate.jpg/117px-Copper_sulfate.jpg" decoding="async" width="117" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Copper_sulfate.jpg/176px-Copper_sulfate.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d8/Copper_sulfate.jpg/234px-Copper_sulfate.jpg 2x" data-file-width="900" data-file-height="922" /></a></span></div> <div class="gallerytext">Copper(II) sulfate, a copper(II) compound</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Copper(II)_chloride_dihydrate.jpg" class="mw-file-description" title="Copper(II) chloride, a copper(II) compound"><img alt="Copper(II) chloride, a copper(II) compound" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Copper%28II%29_chloride_dihydrate.jpg/120px-Copper%28II%29_chloride_dihydrate.jpg" decoding="async" width="120" height="63" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Copper%28II%29_chloride_dihydrate.jpg/180px-Copper%28II%29_chloride_dihydrate.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d0/Copper%28II%29_chloride_dihydrate.jpg/240px-Copper%28II%29_chloride_dihydrate.jpg 2x" data-file-width="804" data-file-height="424" /></a></span></div> <div class="gallerytext">Copper(II) chloride, a copper(II) compound</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:Copper(I)-chloride-photo.jpg" class="mw-file-description" title="Copper(I) chloride, a copper(I) compound. It is white but air reacts with it easily to turn it green"><img alt="Copper(I) chloride, a copper(I) compound. It is white but air reacts with it easily to turn it green" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Copper%28I%29-chloride-photo.jpg/120px-Copper%28I%29-chloride-photo.jpg" decoding="async" width="120" height="90" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/df/Copper%28I%29-chloride-photo.jpg/180px-Copper%28I%29-chloride-photo.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/df/Copper%28I%29-chloride-photo.jpg/240px-Copper%28I%29-chloride-photo.jpg 2x" data-file-width="1000" data-file-height="750" /></a></span></div> <div class="gallerytext">Copper(I) chloride, a copper(I) compound. It is white but air reacts with it easily to turn it green</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:CopperIoxide.jpg" class="mw-file-description" title="Copper(I) oxide, a copper(I) compound"><img alt="Copper(I) oxide, a copper(I) compound" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/CopperIoxide.jpg/95px-CopperIoxide.jpg" decoding="async" width="95" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/61/CopperIoxide.jpg/143px-CopperIoxide.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/61/CopperIoxide.jpg/191px-CopperIoxide.jpg 2x" data-file-width="344" data-file-height="432" /></a></span></div> <div class="gallerytext">Copper(I) oxide, a copper(I) compound</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/File:CopperIIoxide.jpg" class="mw-file-description" title="Copper(II) oxide, a copper(II) compound"><img alt="Copper(II) oxide, a copper(II) compound" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/CopperIIoxide.jpg/112px-CopperIIoxide.jpg" decoding="async" width="112" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fa/CopperIIoxide.jpg/169px-CopperIIoxide.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fa/CopperIIoxide.jpg/225px-CopperIIoxide.jpg 2x" data-file-width="310" data-file-height="331" /></a></span></div> <div class="gallerytext">Copper(II) oxide, a copper(II) compound</div> </li> </ul> <div class="mw-heading mw-heading2"><h2 id="Occurrence">Occurrence</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=6" title="Change section: Occurrence" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=6" title="Edit section's source code: Occurrence"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure typeof="mw:File/Thumb"><a href="/wiki/File:Copper-tmu21a.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Copper-tmu21a.jpg/100px-Copper-tmu21a.jpg" decoding="async" width="100" height="324" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Copper-tmu21a.jpg/150px-Copper-tmu21a.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f9/Copper-tmu21a.jpg/200px-Copper-tmu21a.jpg 2x" data-file-width="555" data-file-height="1800" /></a><figcaption>Copper as a metal in the ground</figcaption></figure> <figure class="mw-default-size" typeof="mw:File/Thumb"><a href="/wiki/File:Min_chalcopyrite.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/Min_chalcopyrite.jpg/220px-Min_chalcopyrite.jpg" decoding="async" width="220" height="165" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/11/Min_chalcopyrite.jpg/330px-Min_chalcopyrite.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/11/Min_chalcopyrite.jpg/440px-Min_chalcopyrite.jpg 2x" data-file-width="1920" data-file-height="1437" /></a><figcaption>Chalcopyrite</figcaption></figure> <p>Copper can be found as a metal in the ground. Normally, it is green on the outside. Most copper is not as a metal but in chemical compounds. <a href="/wiki/Chalcopyrite" title="Chalcopyrite">Chalcopyrite</a> is the most common copper <a href="/wiki/Ore" title="Ore">ore</a>. It is a mixture of <a href="/wiki/Pyrite" title="Pyrite">pyrite</a> and <a href="/w/index.php?title=Copper_sulfide&action=edit&redlink=1" class="new" title="Copper sulfide (not yet started)">copper sulfide</a>. Copper is found in small amounts in living things. Some <a href="/wiki/Mollusk" class="mw-redirect" title="Mollusk">mollusks</a> and <a href="/wiki/Arthropod" title="Arthropod">arthropods</a> have blue blood because they have copper in their blood. Animals such as humans and other mammals have red blood because it contains iron. </p> <div class="mw-heading mw-heading2"><h2 id="Uses">Uses</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=7" title="Change section: Uses" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=7" title="Edit section's source code: Uses"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Copper can be used in many ways but one example is wires. Copper is used in making wires as it is easy to stretch and it is not expensive. So that’s why large wire companies will use copper as it is cheaper and takes less time to get </p><p>Copper may be the oldest metal in use, as very old copper tools have been found. Copper is used in electrical wiring. It can also be shaped into various parts. It can be used in a <a href="https://simple.wiktionary.org/wiki/heatsink" class="extiw" title="wikt:heatsink">heat sink</a>. The <a href="/wiki/Statue_of_Liberty" title="Statue of Liberty">Statue of Liberty</a> is made of copper. It is also used in pipes carrying water, because it does not <a href="/wiki/Corrosion" title="Corrosion">corrode</a>. </p><p>When people mix copper with <a href="/wiki/Tin" title="Tin">tin</a>, <a href="/wiki/Bronze" title="Bronze">bronze</a> is made. Bronze is much harder, and created the <a href="/wiki/Bronze_Age" title="Bronze Age">Bronze Age</a>. It became less important when people learned to use <a href="/wiki/Iron" title="Iron">iron</a> better. When <a href="/wiki/Zinc" title="Zinc">zinc</a> is mixed with copper, <a href="/wiki/Brass" title="Brass">brass</a> is made, which is even harder than bronze. Copper with nickel makes <a href="/wiki/Cupronickel" title="Cupronickel">cupronickel</a>. </p><p>Copper is also used in medical and food production industries. Copper can alter proteins, form radicals, and disrupt enzymes, thereby inactivating or killing bacteria and viruses.<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><p>Copper is an easily molded base metal that is often added to precious metals to improve their elasticity, flexibility, hardness, color, and resistance to corrosion. </p> <div class="mw-heading mw-heading3"><h3 id="As_chemical_compounds">As chemical compounds</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=8" title="Change section: As chemical compounds" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=8" title="Edit section's source code: As chemical compounds"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Copper is important in the human body. If a person does not get enough copper, the <a href="/wiki/Molecule" title="Molecule">molecules</a> in the body might not work. Having too much copper, though, can be a problem. Humans get most of the copper they need from food, and <a href="/wiki/Vitamin" title="Vitamin">vitamins</a> also contain copper to make sure we get enough.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> Copper compounds are also used to kill <a href="/wiki/Fungi" class="mw-redirect" title="Fungi">fungi</a> and <a href="/wiki/Algae" title="Algae">algae</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Safety">Safety</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=9" title="Change section: Safety" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=9" title="Edit section's source code: Safety"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Copper is not as toxic as a metal. Copper compounds are toxic, although small amounts are needed to live. Copper is expelled from the body easily, so it does not build up in toxic effects. </p> <div class="mw-heading mw-heading2"><h2 id="Preparation">Preparation</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=10" title="Change section: Preparation" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=10" title="Edit section's source code: Preparation"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Copper is sometimes just taken out of the ground and shaped into objects. But most copper is not in a metal form in the ground. Chalcopyrite is the main copper ore. It is heated with air to separate the iron as <a href="/wiki/Iron(II)_oxide" title="Iron(II) oxide">iron(II) oxide</a>. Some copper(I) oxide is made. <a href="/wiki/Sulfur_dioxide" title="Sulfur dioxide">Sulfur dioxide</a> is also made. Then <a href="/wiki/Silicon_dioxide" title="Silicon dioxide">silicon dioxide</a> is added, which reacts with the iron(II) oxide to make a liquid which is drained. Now only copper and <a href="/wiki/Sulfide" class="mw-redirect" title="Sulfide">sulfide</a> are left. The copper sulfide reacts with air to make copper metal and sulfur dioxide. Some copper sulfide reacts with the copper(I) oxide to make copper and sulfur dioxide. This makes impure copper. </p><p>Copper is made pure by <a href="/wiki/Electrolysis" title="Electrolysis">electrolyzing</a> it. A thin sheet of pure copper is put on the <a href="/wiki/Cathode" title="Cathode">cathode</a> and a thick sheet of impure copper is put on the <a href="/wiki/Anode" class="mw-redirect" title="Anode">anode</a>. The <a href="/wiki/Electrolyte" title="Electrolyte">electrolyte</a> is <a href="/wiki/Copper_sulfate" class="mw-redirect" title="Copper sulfate">copper sulfate</a>. The impure copper gets dissolved in the solution. It then coats the thin sheet of pure copper. This makes the copper pure. </p><p>Large amounts of copper are recycled because of its high value and the increasing depletion of worldwide copper reserves. </p> <div class="mw-heading mw-heading2"><h2 id="Related_pages">Related pages</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=11" title="Change section: Related pages" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=11" title="Edit section's source code: Related pages"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Copper_compounds" class="mw-redirect" title="Copper compounds">Copper compounds</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Copper&veaction=edit&section=12" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Copper&action=edit&section=12" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-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 class="citation web cs1"><a rel="nofollow" class="external text" href="http://elements.vanderkrogt.net/element.php?sym=Cu">"29. Cuprum (Copper) - Elementymology & Elements Multidict"</a>. <i>elements.vanderkrogt.net</i>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=elements.vanderkrogt.net&rft.atitle=29.+Cuprum+%28Copper%29+-+Elementymology+%26+Elements+Multidict&rft_id=http%3A%2F%2Felements.vanderkrogt.net%2Felement.php%3Fsym%3DCu&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ACopper" class="Z3988"></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 class="citation web cs1"><a rel="nofollow" class="external text" href="https://vrcmetalsystems.com/microbe-proof-medical-restaurant-equipment/">"Use of Copper to Microbe-proof Medical and Restaurant Equipment"</a>. <i>vrcmetalsystems.com</i>. 27 March 2020<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-07-31</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=vrcmetalsystems.com&rft.atitle=Use+of+Copper+to+Microbe-proof+Medical+and+Restaurant+Equipment&rft.date=2020-03-27&rft_id=https%3A%2F%2Fvrcmetalsystems.com%2Fmicrobe-proof-medical-restaurant-equipment%2F&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ACopper" class="Z3988"></span></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r9724332"><cite class="citation web cs1"><a rel="nofollow" class="external text" href="https://www.medicalnewstoday.com/articles/288165">"Copper: Health benefits, recommended intake, sources, and risks"</a>. <i>www.medicalnewstoday.com</i>. 2017-10-23<span class="reference-accessdate">. Retrieved <span class="nowrap">2021-07-31</span></span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=www.medicalnewstoday.com&rft.atitle=Copper%3A+Health+benefits%2C+recommended+intake%2C+sources%2C+and+risks&rft.date=2017-10-23&rft_id=https%3A%2F%2Fwww.medicalnewstoday.com%2Farticles%2F288165&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3ACopper" class="Z3988"></span></span> </li> </ol></div></div> <table class="navbox collapsible uncollapsed"> <tbody><tr> <th colspan="32"><style data-mw-deduplicate="TemplateStyles:r9122447">.mw-parser-output .navbar{display:inline;font-size:88%;font-weight:normal}.mw-parser-output .navbar-collapse{float:left;text-align:left}.mw-parser-output .navbar-boxtext{word-spacing:0}.mw-parser-output .navbar ul{display:inline-block;white-space:nowrap;line-height:inherit}.mw-parser-output .navbar-brackets::before{margin-right:-0.125em;content:"[ "}.mw-parser-output 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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 class="mw-selflink selflink">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> </td></tr></tbody></table> </td></tr></tbody></table> <div class="navbox-styles nomobile"><style data-mw-deduplicate="TemplateStyles:r9122492">.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 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style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><span class="uid"><a rel="nofollow" class="external text" href="https://catalog.archives.gov/id/10638044">NARA</a></span></li></ul> </div></td></tr></tbody></table></div>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Retrieved from "<a dir="ltr" href="https://simple.wikipedia.org/w/index.php?title=Copper&oldid=9247271">https://simple.wikipedia.org/w/index.php?title=Copper&oldid=9247271</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Special:Categories" title="Special:Categories">Category</a>: <ul><li><a href="/wiki/Category:Transition_metals" title="Category:Transition metals">Transition metals</a></li></ul></div><div id="mw-hidden-catlinks" 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