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id="toc-Formula_punctuation" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Formula_punctuation"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Formula punctuation</span> </div> </a> <ul id="toc-Formula_punctuation-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-end_}-bracket_issue" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#end_}-bracket_issue"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>end }-bracket issue</span> </div> </a> <ul id="toc-end_}-bracket_issue-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Formulas,_charges,_equations" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Formulas,_charges,_equations"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Formulas, charges, equations</span> </div> </a> <ul id="toc-Formulas,_charges,_equations-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Wikilinks" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Wikilinks"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Wikilinks</span> </div> </a> <button aria-controls="toc-Wikilinks-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 Wikilinks subsection</span> </button> <ul id="toc-Wikilinks-sublist" class="vector-toc-list"> <li id="toc-Whole_formula_link" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Whole_formula_link"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Whole formula link</span> </div> </a> <ul id="toc-Whole_formula_link-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Link_each_element_(C,_Hg)_and_generic_element_code_(R,_X)" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Link_each_element_(C,_Hg)_and_generic_element_code_(R,_X)"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Link each element (C, Hg) and generic element code (R, X)</span> </div> </a> <ul id="toc-Link_each_element_(C,_Hg)_and_generic_element_code_(R,_X)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Link_functional_groups" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Link_functional_groups"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.3</span> <span>Link functional groups</span> </div> </a> <ul id="toc-Link_functional_groups-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-All_recognised_symbols_and_codes" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#All_recognised_symbols_and_codes"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.4</span> <span>All recognised symbols and codes</span> </div> </a> <ul id="toc-All_recognised_symbols_and_codes-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Elements_and_element-style_symbols" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Elements_and_element-style_symbols"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.5</span> <span>Elements and element-style symbols</span> </div> </a> <ul id="toc-Elements_and_element-style_symbols-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Groups" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Groups"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.6</span> <span>Groups</span> </div> </a> <ul id="toc-Groups-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Examples_and_tests" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Examples_and_tests"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Examples and tests</span> </div> </a> <button aria-controls="toc-Examples_and_tests-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 Examples and tests subsection</span> </button> <ul id="toc-Examples_and_tests-sublist" class="vector-toc-list"> <li id="toc-More" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#More"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.1</span> <span>More</span> </div> </a> <ul id="toc-More-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Chem_vs_chem2" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Chem_vs_chem2"> <div class="vector-toc-text"> <span class="vector-toc-numb">4.2</span> <span>Chem vs chem2</span> </div> </a> <ul id="toc-Chem_vs_chem2-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Predefined_codes_(groups_etc.)" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Predefined_codes_(groups_etc.)"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Predefined codes (groups etc.)</span> </div> </a> <ul id="toc-Predefined_codes_(groups_etc.)-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-TemplateData" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#TemplateData"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>TemplateData</span> </div> </a> <ul id="toc-TemplateData-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Tracking" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tracking"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Tracking</span> </div> </a> <ul id="toc-Tracking-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-See_also" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#See_also"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>See also</span> </div> </a> <ul id="toc-See_also-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-namespace">Template</span><span class="mw-page-title-separator">:</span><span class="mw-page-title-main">Chem2</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 41 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-41" 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">41 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%82%D8%A7%D9%84%D8%A8:Chem2" title="قالب:Chem2 – Arabic" lang="ar" hreflang="ar" data-title="قالب:Chem2" data-language-autonym="العربية" data-language-local-name="Arabic" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%9F%E0%A7%87%E0%A6%AE%E0%A6%AA%E0%A7%8D%E0%A6%B2%E0%A7%87%E0%A6%9F:%E0%A6%B0%E0%A6%B8%E0%A6%BE%E0%A6%AF%E0%A6%BC%E0%A6%A8_%E0%A7%A8" title="টেমপ্লেট:রসায়ন ২ – Bangla" lang="bn" hreflang="bn" data-title="টেমপ্লেট:রসায়ন ২" 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/Pang-b%C3%B4%CD%98:Chem2" title="Pang-bô͘:Chem2 – Minnan" lang="nan" hreflang="nan" data-title="Pang-bô͘:Chem2" 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-bh mw-list-item"><a href="https://bh.wikipedia.org/wiki/%E0%A4%9F%E0%A5%87%E0%A4%AE%E0%A5%8D%E0%A4%AA%E0%A4%B2%E0%A5%87%E0%A4%9F:Chem2" title="टेम्पलेट:Chem2 – Bhojpuri" lang="bh" hreflang="bh" data-title="टेम्पलेट:Chem2" data-language-autonym="भोजपुरी" data-language-local-name="Bhojpuri" class="interlanguage-link-target"><span>भोजपुरी</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD:Chem2" title="Шаблон:Chem2 – Bulgarian" lang="bg" hreflang="bg" data-title="Шаблон:Chem2" data-language-autonym="Български" data-language-local-name="Bulgarian" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/%C5%A0ablon:Chem2" title="Šablon:Chem2 – Bosnian" lang="bs" hreflang="bs" data-title="Šablon:Chem2" data-language-autonym="Bosanski" data-language-local-name="Bosnian" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Plantilla:Chem2" title="Plantilla:Chem2 – Catalan" lang="ca" hreflang="ca" data-title="Plantilla:Chem2" data-language-autonym="Català" data-language-local-name="Catalan" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Skabelon:Chem2" title="Skabelon:Chem2 – Danish" lang="da" hreflang="da" data-title="Skabelon:Chem2" data-language-autonym="Dansk" data-language-local-name="Danish" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%A0%CF%81%CF%8C%CF%84%CF%85%CF%80%CE%BF:Chem2" title="Πρότυπο:Chem2 – Greek" lang="el" hreflang="el" data-title="Πρότυπο:Chem2" data-language-autonym="Ελληνικά" data-language-local-name="Greek" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Plantilla:Fquim2" title="Plantilla:Fquim2 – Spanish" lang="es" hreflang="es" data-title="Plantilla:Fquim2" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Txantiloi:Chem2" title="Txantiloi:Chem2 – Basque" lang="eu" hreflang="eu" data-title="Txantiloi:Chem2" data-language-autonym="Euskara" data-language-local-name="Basque" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D9%84%DA%AF%D9%88:Chem2" title="الگو:Chem2 – Persian" lang="fa" hreflang="fa" data-title="الگو:Chem2" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Modelo:Chem2" title="Modelo:Chem2 – Galician" lang="gl" hreflang="gl" data-title="Modelo:Chem2" data-language-autonym="Galego" data-language-local-name="Galician" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-gu mw-list-item"><a href="https://gu.wikipedia.org/wiki/%E0%AA%A2%E0%AA%BE%E0%AA%82%E0%AA%9A%E0%AB%8B:Chem2" title="ઢાંચો:Chem2 – Gujarati" lang="gu" hreflang="gu" data-title="ઢાંચો:Chem2" data-language-autonym="ગુજરાતી" data-language-local-name="Gujarati" class="interlanguage-link-target"><span>ગુજરાતી</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%ED%8B%80:Chem2" title="틀:Chem2 – Korean" lang="ko" hreflang="ko" data-title="틀:Chem2" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Templat:Chem2" title="Templat:Chem2 – Indonesian" lang="id" hreflang="id" data-title="Templat:Chem2" 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-ku mw-list-item"><a href="https://ku.wikipedia.org/wiki/%C5%9Eablon:Chem2" title="Şablon:Chem2 – Kurdish" lang="ku" hreflang="ku" data-title="Şablon:Chem2" data-language-autonym="Kurdî" data-language-local-name="Kurdish" class="interlanguage-link-target"><span>Kurdî</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9F%D1%80%D0%B5%D0%B4%D0%BB%D0%BE%D1%88%D0%BA%D0%B0:%D0%A5%D0%B5%D0%BC2" title="Предлошка:Хем2 – Macedonian" lang="mk" hreflang="mk" data-title="Предлошка:Хем2" data-language-autonym="Македонски" data-language-local-name="Macedonian" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%AB%E0%B4%B2%E0%B4%95%E0%B4%82:Chem2" title="ഫലകം:Chem2 – Malayalam" lang="ml" hreflang="ml" data-title="ഫലകം:Chem2" data-language-autonym="മലയാളം" data-language-local-name="Malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%97%D0%B0%D0%B3%D0%B2%D0%B0%D1%80:Chem2" title="Загвар:Chem2 – Mongolian" lang="mn" hreflang="mn" data-title="Загвар:Chem2" 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%90%E1%80%99%E1%80%BA%E1%80%B8%E1%80%95%E1%80%9C%E1%80%AD%E1%80%90%E1%80%BA:Chem2" title="တမ်းပလိတ်:Chem2 – Burmese" lang="my" hreflang="my" data-title="တမ်းပလိတ်:Chem2" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="Burmese" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Template:Chem2" title="Template:Chem2 – Japanese" lang="ja" hreflang="ja" data-title="Template:Chem2" 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-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Andoza:Chem2" title="Andoza:Chem2 – Uzbek" lang="uz" hreflang="uz" data-title="Andoza:Chem2" 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-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/%E1%80%90%E1%80%99%E1%80%BA%E1%80%B8%E1%80%95%E1%80%9C%E1%80%B1%E1%80%80%E1%80%BA:Chem2" title="တမ်းပလေက်:Chem2 – Pa'O" lang="blk" hreflang="blk" data-title="တမ်းပလေက်:Chem2" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Szablon:Chem2" title="Szablon:Chem2 – Polish" lang="pl" hreflang="pl" data-title="Szablon:Chem2" 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/Predefini%C3%A7%C3%A3o:Chem2" title="Predefinição:Chem2 – Portuguese" lang="pt" hreflang="pt" data-title="Predefinição:Chem2" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-si mw-list-item"><a href="https://si.wikipedia.org/wiki/%E0%B7%83%E0%B7%90%E0%B6%9A%E0%B7%92%E0%B6%BD%E0%B7%8A%E0%B6%BD:Chem2" title="සැකිල්ල:Chem2 – Sinhala" lang="si" hreflang="si" data-title="සැකිල්ල:Chem2" data-language-autonym="සිංහල" data-language-local-name="Sinhala" class="interlanguage-link-target"><span>සිංහල</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Template:Chem2" title="Template:Chem2 – Simple English" lang="en-simple" hreflang="en-simple" data-title="Template:Chem2" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Predloga:Chem2" title="Predloga:Chem2 – Slovenian" lang="sl" hreflang="sl" data-title="Predloga:Chem2" data-language-autonym="Slovenščina" data-language-local-name="Slovenian" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%AF%D8%A7%DA%95%DB%8E%DA%98%DB%95:Chem2" title="داڕێژە:Chem2 – Central Kurdish" lang="ckb" hreflang="ckb" data-title="داڕێژە:Chem2" 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%A8%D0%B0%D0%B1%D0%BB%D0%BE%D0%BD:Chem2" title="Шаблон:Chem2 – Serbian" lang="sr" hreflang="sr" data-title="Шаблон:Chem2" 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-su mw-list-item"><a href="https://su.wikipedia.org/wiki/Citakan:Chem2" title="Citakan:Chem2 – Sundanese" lang="su" hreflang="su" data-title="Citakan:Chem2" data-language-autonym="Sunda" data-language-local-name="Sundanese" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-tl mw-list-item"><a href="https://tl.wikipedia.org/wiki/Padron:Chem2" title="Padron:Chem2 – Tagalog" lang="tl" hreflang="tl" data-title="Padron:Chem2" 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%B5%E0%AE%BE%E0%AE%B0%E0%AF%8D%E0%AE%AA%E0%AF%8D%E0%AE%AA%E0%AF%81%E0%AE%B0%E0%AF%81:Chem2" title="வார்ப்புரு:Chem2 – Tamil" lang="ta" hreflang="ta" data-title="வார்ப்புரு:Chem2" data-language-autonym="தமிழ்" data-language-local-name="Tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%AE%E0%B1%82%E0%B0%B8:Chem2" title="మూస:Chem2 – Telugu" lang="te" hreflang="te" data-title="మూస:Chem2" 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%B9%81%E0%B8%A1%E0%B9%88%E0%B9%81%E0%B8%9A%E0%B8%9A:Chem2" title="แม่แบบ:Chem2 – Thai" lang="th" hreflang="th" data-title="แม่แบบ:Chem2" data-language-autonym="ไทย" data-language-local-name="Thai" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/%C5%9Eablon:Chem2" title="Şablon:Chem2 – Turkish" lang="tr" hreflang="tr" data-title="Şablon:Chem2" data-language-autonym="Türkçe" data-language-local-name="Turkish" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/B%E1%BA%A3n_m%E1%BA%ABu:Chem2" title="Bản mẫu:Chem2 – Vietnamese" lang="vi" hreflang="vi" data-title="Bản mẫu:Chem2" 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-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/Template:Chem2" title="Template:Chem2 – Cantonese" lang="yue" hreflang="yue" data-title="Template:Chem2" data-language-autonym="粵語" data-language-local-name="Cantonese" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Template:Chem2" title="Template:Chem2 – Chinese" lang="zh" hreflang="zh" data-title="Template:Chem2" 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-bdr mw-list-item"><a href="https://bdr.wikipedia.org/wiki/Templat:Chem2" title="Templat:Chem2 – West Coast Bajau" lang="bdr" hreflang="bdr" data-title="Templat:Chem2" data-language-autonym="Bajau Sama" 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.documentation,.mw-parser-output .documentation-metadata{border:1px solid #a2a9b1;background-color:#ecfcf4;clear:both}.mw-parser-output .documentation{margin:1em 0 0 0;padding:1em}.mw-parser-output .documentation-metadata{margin:0.2em 0;font-style:italic;padding:0.4em 1em}.mw-parser-output .documentation-startbox{padding-bottom:3px;border-bottom:1px solid #aaa;margin-bottom:1ex}.mw-parser-output .documentation-heading{font-weight:bold;font-size:125%}.mw-parser-output .documentation-clear{clear:both}.mw-parser-output .documentation-toolbar{font-style:normal;font-size:85%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .documentation,html.skin-theme-clientpref-night .mw-parser-output .documentation-metadata{background-color:#0b1e1c}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .documentation,html.skin-theme-clientpref-os .mw-parser-output .documentation-metadata{background-color:#0b1e1c}}</style></p><div class="documentation-container" role="complementary" aria-labelledby="documentation-heading"> <div class="documentation"> <div class="documentation-startbox"> <span class="documentation-heading" id="documentation-heading"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/50px-Test_Template_Info-Icon_-_Version_%282%29.svg.png" decoding="async" width="50" height="22" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/75px-Test_Template_Info-Icon_-_Version_%282%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/100px-Test_Template_Info-Icon_-_Version_%282%29.svg.png 2x" data-file-width="1792" data-file-height="800" /></span></span> Template documentation</span><span class="mw-editsection-like plainlinks">[<a href="/wiki/Template:Chem2/doc" title="Template:Chem2/doc">view</a>] [<a href="/wiki/Special:EditPage/Template:Chem2/doc" title="Special:EditPage/Template:Chem2/doc">edit</a>] [<a href="/wiki/Special:PageHistory/Template:Chem2/doc" title="Special:PageHistory/Template:Chem2/doc">history</a>] [<a href="/wiki/Special:Purge/Template:Chem2" title="Special:Purge/Template:Chem2">purge</a>]</span></div> <style data-mw-deduplicate="TemplateStyles:r1238436933">.mw-parser-output .ombox{margin:4px 0;border-collapse:collapse;border:1px solid #a2a9b1;background-color:var(--background-color-neutral-subtle,#f8f9fa);box-sizing:border-box;color:var(--color-base,#202122)}.mw-parser-output .ombox.mbox-small{font-size:88%;line-height:1.25em}.mw-parser-output .ombox-speedy{border:2px solid #b32424;background-color:#fee7e6}.mw-parser-output .ombox-delete{border:2px solid #b32424}.mw-parser-output .ombox-content{border:1px solid #f28500}.mw-parser-output .ombox-style{border:1px solid #fc3}.mw-parser-output .ombox-move{border:1px solid #9932cc}.mw-parser-output .ombox-protection{border:2px solid #a2a9b1}.mw-parser-output .ombox .mbox-text{border:none;padding:0.25em 0.9em;width:100%}.mw-parser-output .ombox .mbox-image{border:none;padding:2px 0 2px 0.9em;text-align:center}.mw-parser-output .ombox .mbox-imageright{border:none;padding:2px 0.9em 2px 0;text-align:center}.mw-parser-output .ombox .mbox-empty-cell{border:none;padding:0;width:1px}.mw-parser-output .ombox .mbox-invalid-type{text-align:center}@media(min-width:720px){.mw-parser-output .ombox{margin:4px 10%}.mw-parser-output .ombox.mbox-small{clear:right;float:right;margin:4px 0 4px 1em;width:238px}}body.skin--responsive .mw-parser-output table.ombox img{max-width:none!important}@media screen{html.skin-theme-clientpref-night .mw-parser-output .ombox-speedy{background-color:#310402}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .ombox-speedy{background-color:#310402}}</style><table class="plainlinks ombox ombox-style" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><span><img alt="Warning" src="//upload.wikimedia.org/wikipedia/en/thumb/7/74/Ambox_warning_yellow.svg/40px-Ambox_warning_yellow.svg.png" decoding="async" width="40" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/7/74/Ambox_warning_yellow.svg/60px-Ambox_warning_yellow.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/7/74/Ambox_warning_yellow.svg/80px-Ambox_warning_yellow.svg.png 2x" data-file-width="386" data-file-height="334" /></span></span></td><td class="mbox-text"><b>This template is used on <a class="external text" href="https://linkcount.toolforge.org/?project=en.wikipedia.org&page=Template%3AChem2#transclusions">approximately 7,400 pages</a></b> and changes may be widely noticed. Test changes in the template's <a href="/wiki/Template:Chem2/sandbox" title="Template:Chem2/sandbox">/sandbox</a> or <a href="/wiki/Template:Chem2/testcases" title="Template:Chem2/testcases">/testcases</a> subpages, or in your own <a href="/wiki/Wikipedia:User_pages#SUB" title="Wikipedia:User pages">user subpage</a>. Consider discussing changes on the <a href="/wiki/Template_talk:Chem2" title="Template talk:Chem2">talk page</a> before implementing them.</td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238436933"><table class="plainlinks ombox mbox-small ombox-notice" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/30px-Lua-Logo.svg.png" decoding="async" width="30" height="30" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/45px-Lua-Logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/cf/Lua-Logo.svg/60px-Lua-Logo.svg.png 2x" data-file-width="947" data-file-height="947" /></span></span></td><td class="mbox-text">This template uses <a href="/wiki/Wikipedia:Lua" title="Wikipedia:Lua">Lua</a>: <div><ul><li><a href="/wiki/Module:Chem2" title="Module:Chem2">Module:Chem2</a> (<a href="/wiki/Module:Chem2/sandbox" title="Module:Chem2/sandbox">sandbox</a>)</li></ul></div></td></tr></tbody></table> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238436933"><table class="box-Notice plainlinks ombox ombox-notice" role="presentation"><tbody><tr><td class="mbox-image"><span typeof="mw:File"><a href="/wiki/File:Stop_hand_nuvola.svg" class="mw-file-description" title="Notice"><img alt="" src="//upload.wikimedia.org/wikipedia/en/thumb/f/f1/Stop_hand_nuvola.svg/40px-Stop_hand_nuvola.svg.png" decoding="async" width="40" height="40" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/f1/Stop_hand_nuvola.svg/60px-Stop_hand_nuvola.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/f1/Stop_hand_nuvola.svg/80px-Stop_hand_nuvola.svg.png 2x" data-file-width="240" data-file-height="240" /></a></span></td><td class="mbox-text" style="text-align: left;">This template should not be used in citation templates such as <a href="/wiki/Help:Citation_Style_1" title="Help:Citation Style 1">Citation Style 1</a> and <a href="/wiki/Help:Citation_Style_2" title="Help:Citation Style 2">Citation Style 2</a>, because it includes markup that will pollute the <a href="/wiki/COinS" title="COinS">COinS</a> metadata they produce; see <a href="/wiki/Wikipedia:COinS" title="Wikipedia:COinS">Wikipedia:COinS</a>. </td></tr></tbody></table> <p><b><span class="nowrap">{{</span><a class="mw-selflink selflink">chem2</a><span class="nowrap">}}</span></b> is a template used to format a <a href="/wiki/Chemical_formula" title="Chemical formula">chemical formula</a> or <a href="/wiki/Chemical_equation" title="Chemical equation">equation</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Use">Use</h2></div> <div class="mw-heading mw-heading3"><h3 id="Formula_punctuation">Formula punctuation</h3></div> <table class="wikitable"> <tbody><tr> <th>Symbol </th> <th>Gives </th> <th>Example </th> <th>Output </th></tr> <tr> <td><code>\s</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">−</span></td> <td><code>{{chem2|CH3\sCH3}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CH<sub class="template-chem2-sub">3</sub>−CH<sub class="template-chem2-sub">3</sub></span> </td></tr> <tr> <td><code>\d</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">=</span></td> <td><code>{{chem2|CH2\dCH2}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CH<sub class="template-chem2-sub">2</sub>=CH<sub class="template-chem2-sub">2</sub></span> </td></tr> <tr> <td><code>\t</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">≡</span></td> <td><code>{{chem2|HC\tCH}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">HC≡CH</span> </td></tr> <tr> <td><code>\q</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">≣</span></td> <td><code>{{chem2|[Cl4Re\qReCl4](2−)}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[Cl<sub class="template-chem2-sub">4</sub>Re≣ReCl<sub class="template-chem2-sub">4</sub>]<sup>2−</sup></span> </td></tr> <tr> <td><code>\-</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">-</span></td> <td><code class="mw-highlight mw-highlight-lang-tex mw-content-ltr" dir="ltr"><span class="nb">{{</span>chem2|A<span class="k">\-</span>B<span class="nb">}}</span></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">A-B</span> </td></tr> <tr> <td><code>\\</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">\</span></td> <td><code class="mw-highlight mw-highlight-lang-tex mw-content-ltr" dir="ltr"><span class="nb">{{</span>chem2|C<span class="k">\\</span>D<span class="nb">}}</span></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C\D</span> </td></tr> <tr> <td><code>\h</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">η</span></td> <td><code class="mw-highlight mw-highlight-lang-tex mw-content-ltr" dir="ltr"><span class="nb">{{</span>chem2|<span class="k">\h</span><span class="nb">}}</span></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">η</span> </td></tr> <tr> <td><code>\h{1}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">η<sup>1</sup>-</span></td> <td><code class="mw-highlight mw-highlight-lang-tex mw-content-ltr" dir="ltr"><span class="nb">{{</span>chem2|<span class="k">\h</span><span class="nb">{</span>1<span class="nb">}</span> |<span class="nb">}}</span></code> <div style="float:right;"><a href="#end-bracket_issue">§ {}</a></div></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">η<sup>1</sup>-</span> </td></tr> <tr> <td><code>\m{1}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">μ<sub>1</sub>-</span></td> <td><code class="mw-highlight mw-highlight-lang-tex mw-content-ltr" dir="ltr"><span class="nb">{{</span>chem2|<span class="k">\m</span><span class="nb">{</span>1<span class="nb">}</span> |<span class="nb">}}</span></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">μ<sub>1</sub>-</span> </td></tr> <tr> <td><code>-></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"> → </span></td> <td><code>{{chem2|2H2 + O2 -> 2H2O}}</code> <div style="float:right;"><a href="#end-bracket_issue">§ {}</a></div></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2H<sub class="template-chem2-sub">2</sub> + O<sub class="template-chem2-sub">2</sub> → 2H<sub class="template-chem2-sub">2</sub>O</span> </td></tr> <tr> <td><code><-></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"> ⇌ </span></td> <td><code>{{chem2|K<->L}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">K ⇌ L</span> </td></tr> <tr> <td><code>*</code></td> <td><big><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">·</span></big></td> <td><code>{{chem2|CoCl2*6H2O}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CoCl<sub class="template-chem2-sub">2</sub>·6H<sub>2</sub>O</span> </td></tr> <tr> <td><code>\*</code></td> <td>*</td> <td><code class="mw-highlight mw-highlight-lang-tex mw-content-ltr" dir="ltr"><span class="nb">{{</span>chem2|Cp<span class="k">\*</span>2Fe<span class="nb">}}</span></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Cp*<sub class="template-chem2-sub">2</sub>Fe</span> </td></tr> <tr> <td><code>_{}</code></td> <td><sub><small>subscript</small></sub></td> <td><code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem2</span><span class="p">|</span>C_{<span class="ge">''n''</span>}H_{2<span class="ge">''n''</span>+2} <span class="p">}}</span></code> <div style="float:right;"><a href="#end-bracket_issue">§ {}</a></div></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub"><i>n</i></sub>H<sub class="template-chem2-sub">2<i>n</i>+2</sub></span> </td></tr> <tr> <td><code>^{}</code></td> <td><sup><small>superscript</small></sup></td> <td><code>{{chem2|^{13}CH4}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><sup class="template-chem2-sup">13</sup>CH<sub class="template-chem2-sub">4</sub></span> </td></tr> <tr> <td><code>&nabla;</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">∇</span></td> <td><code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem2</span><span class="p">|</span><span class="ni">&nabla;</span><span class="p">}}</span></code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">∇</span> </td></tr> <tr> <td><code>( )</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">( )</span></td> <td><code>{{chem2|R\sCH(OH)CN}}</code></td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">R−CH(OH)CN</span> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="end_}-bracket_issue"><span id="end_.7D-bracket_issue"></span>end }-bracket issue <span class="anchor" id="end-bracket_issue"></span></h3></div> <p>When input ends correctly with a <big>}</big>-bracket, like with <code>A_{x}H_{1-x<span style="color:black;background:yellow">}</span></code>, the final }-brackets are technically mixed up: </p> <dl><dd><code>{{chem2|A_{x}H_{1-x<span style="color:black;background:yellow">}}}</span></code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">A<sub class="template-chem2-sub">x</sub>H_{<span class="template-chem2-su"><span>−</span><span>1</span></span>x</span>} <span typeof="mw:File"><span><img alt="Red X" src="//upload.wikimedia.org/wikipedia/en/thumb/b/ba/Red_x.svg/13px-Red_x.svg.png" decoding="async" width="13" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/b/ba/Red_x.svg/20px-Red_x.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/b/ba/Red_x.svg/26px-Red_x.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display: none;">N</span></dd></dl> <p>The closing bracket <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">}</code> of input <i>and</i> end of template brackets <code class="mw-highlight mw-highlight-lang-text mw-content-ltr" style="" dir="ltr">}}</code> are interpreted by Wikipedia software in reversed order. </p> <ul><li>Solutions:</li></ul> <dl><dd><dl><dd><dl><dd>add empty pipe: <code>{{chem2|...{...<span style="color:black;background:yellow">}|}}</span></code> (empty parameter #2)</dd> <dd>add parameters numbers 1 and 2 (empty): <code>{{chem2|1=...{...<span style="color:black;background:yellow">}|2=}}</span></code></dd> <dd>add a space: <code>{{chem2|...{...<span style="color:black;background:yellow">} }}</span></code></dd></dl></dd></dl></dd> <dd>Result: <code>{{chem2|A_{x}H_{1-x<span style="color:black;background:yellow">}|}}</span></code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">A<sub class="template-chem2-sub">x</sub>H<sub class="template-chem2-sub">1−x</sub></span> <span typeof="mw:File"><span><img alt="Green tick" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Green_check.svg/13px-Green_check.svg.png" decoding="async" width="13" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/03/Green_check.svg/20px-Green_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/03/Green_check.svg/26px-Green_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Formulas,_charges,_equations"><span id="Formulas.2C_charges.2C_equations"></span>Formulas, charges, equations</h2></div> <p>Formulas (without charge) are just written: </p> <ul><li><code>{{chem2|CH3(CH2)5CH3}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CH<sub class="template-chem2-sub">3</sub>(CH<sub class="template-chem2-sub">2</sub>)<sub class="template-chem2-sub">5</sub>CH<sub class="template-chem2-sub">3</sub></span></li> <li><code>{{chem2|Fe3S2(CO)9}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Fe<sub class="template-chem2-sub">3</sub>S<sub class="template-chem2-sub">2</sub>(CO)<sub class="template-chem2-sub">9</sub></span></li> <li><code>{{chem2|C_{''n''}H_{2''n''+2}|}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub"><i>n</i></sub>H<sub class="template-chem2-sub">2<i>n</i>+2</sub></span></li></ul> <p>Charges are written inside parentheses: </p> <ul><li><code>{{chem2|SO4(2-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">SO<span class="template-chem2-su"><span>2−</span><span>4</span></span></span></li> <li><code>{{chem2|S19(2+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">S<span class="template-chem2-su"><span>2+</span><span>19</span></span></span></li></ul> <p>Charges +1 and −1 can be written plain: </p> <ul><li><code>{{chem2|Na+}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Na<sup class="template-chem2-sup">+</sup></span></li> <li><code>{{chem2|O2-}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<span class="template-chem2-su"><span>−</span><span>2</span></span></span></li></ul> <dl><dd>same as <code>{{chem2|O2(-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">O<span class="template-chem2-su"><span>−</span><span>2</span></span></span></dd></dl> <p>Chemical equations: </p> <ul><li><code>{{chem2|2 S + 3 O2 + 2 H2O -> 2 H2SO4}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 S + 3 O<sub class="template-chem2-sub">2</sub> + 2 H<sub class="template-chem2-sub">2</sub>O → 2 H<sub class="template-chem2-sub">2</sub>SO<sub class="template-chem2-sub">4</sub></span></li> <li><code>{{chem2|2S + 3O2 + 2H2O -> 2H2SO4}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2S + 3O<sub class="template-chem2-sub">2</sub> + 2H<sub class="template-chem2-sub">2</sub>O → 2H<sub class="template-chem2-sub">2</sub>SO<sub class="template-chem2-sub">4</sub></span></li></ul> <p>The arrows can be written as <code>-></code> or just <code>→</code>. All characters (and unicode markup) are valid input except <code>\</code>, = (Mediawiki use it), <code>_</code> and <code>-</code> (endash etc.) </p> <ul><li><code>{{chem2|2 H2(g) + O2(g) -> 2H2O(g)|}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2 H<sub class="template-chem2-sub">2</sub>(g) + O<sub class="template-chem2-sub">2</sub>(g) → 2H<sub class="template-chem2-sub">2</sub>O(g)</span></li> <li><code>{{chem2|NH2RCHCO2H <-> NH3+RCHCO2-}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">NH<sub class="template-chem2-sub">2</sub>RCHCO<sub class="template-chem2-sub">2</sub>H ⇌ NH<span class="template-chem2-su"><span>+</span><span>3</span></span>RCHCO<span class="template-chem2-su"><span>−</span><span>2</span></span></span></li></ul> <p><a href="/wiki/Hapticity" title="Hapticity">Hapticity</a> and mu: </p> <ul><li><code>{{chem2|W(CO)3(PiPr3)2(\h{2}H2)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">W(CO)<sub class="template-chem2-sub">3</sub>(PiPr<sub class="template-chem2-sub">3</sub>)<sub class="template-chem2-sub">2</sub>(η<sup>2</sup>-H<sub class="template-chem2-sub">2</sub>)</span></li> <li><code>{{chem2|W(CO)3(PiPr3)2(\h{2}H2)|auto=yes}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Tungsten" title="Tungsten">W</a>(<a href="/wiki/Carbon" title="Carbon">C</a><a href="/wiki/Oxygen" title="Oxygen">O</a>)<sub class="template-chem2-sub">3</sub>(Pi<a href="/wiki/Praseodymium" title="Praseodymium">Pr</a><sub class="template-chem2-sub">3</sub>)<sub class="template-chem2-sub">2</sub>(<a href="/wiki/Hapticity" title="Hapticity">η<sup>2</sup></a>-<a href="/wiki/Hydrogen" title="Hydrogen">H</a><sub class="template-chem2-sub">2</sub>)</span></li></ul> <div class="mw-heading mw-heading2"><h2 id="Wikilinks">Wikilinks</h2></div> <p>As of March 2023<sup class="plainlinks noexcerpt noprint asof-tag update" style="display:none;"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Chem2&action=edit">[update]</a></sup>, <span class="nowrap">{{</span><a class="mw-selflink selflink">chem2</a><span class="nowrap">}}</span> should <i>not</i> be used inside wikilinks; this can cause erratic failures to properly render sub/superscripts in other invocations on the same page. Instead, use the following options. </p> <div class="mw-heading mw-heading3"><h3 id="Whole_formula_link">Whole formula link</h3></div> <p>Link the whole formula with <code class="tpl-para" style="word-break:break-word;">|link=<wiki pagename></code>: </p> <ul><li><code>{{chem2|FeCl3|link=Iron(III) chloride}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Iron(III)_chloride" title="Iron(III) chloride">FeCl<sub class="template-chem2-sub">3</sub></a></span></li></ul> <p>Or use wikilink brackets in input like <code>[[ammonia|NH3]]</code>: </p> <ul><li><code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem2</span><span class="p">|</span>3<span class="p">[[</span><span class="nt">hydrogen</span><span class="p">|</span>H2<span class="p">]]</span> + 2<span class="p">[[</span><span class="nt">nitrogen</span><span class="p">|</span>N2<span class="p">]]</span> <-> 2<span class="p">[[</span><span class="nt">ammonia</span><span class="p">|</span>NH3<span class="p">]]}}</span></code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">3<a href="/wiki/Hydrogen" title="Hydrogen">H<sub class="template-chem2-sub">2</sub></a> + 2<a href="/wiki/Nitrogen" title="Nitrogen">N<sub class="template-chem2-sub">2</sub></a> ⇌ 2<a href="/wiki/Ammonia" title="Ammonia">NH<sub class="template-chem2-sub">3</sub></a></span></li></ul> <div class="mw-heading mw-heading3"><h3 id="Link_each_element_(C,_Hg)_and_generic_element_code_(R,_X)"><span id="Link_each_element_.28C.2C_Hg.29_and_generic_element_code_.28R.2C_X.29"></span>Link each element (C, Hg) and generic element code (R, X)</h3></div> <p>Use <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> to link from the first occurrence of each element symbol, and some functional-group symbols such as <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Phenyl_group" title="Phenyl group">Ph</a></span> </p> <ul><li><code>{{chem2|CH3CH2CH3CBrFCIClCH3|auto=yes}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Carbon" title="Carbon">C</a><a href="/wiki/Hydrogen" title="Hydrogen">H</a><sub class="template-chem2-sub">3</sub>CH<sub class="template-chem2-sub">2</sub>CH<sub class="template-chem2-sub">3</sub>C<a href="/wiki/Bromine" title="Bromine">Br</a><a href="/wiki/Fluorine" title="Fluorine">F</a>C<a href="/wiki/Iodine" title="Iodine">I</a><a href="/wiki/Chlorine" title="Chlorine">Cl</a>CH<sub class="template-chem2-sub">3</sub></span></li></ul> <div class="mw-heading mw-heading3"><h3 id="Link_functional_groups">Link functional groups</h3></div> <p>Some common <b>groups</b> are recognized and linked if you wikilink them using <code>[[ ]]</code> </p> <ul><li><code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem2</span><span class="p">|</span>R\-<span class="p">[[</span><span class="nt">COOH</span><span class="p">]]}}</span></code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">R-<a href="/wiki/Carboxyl_group" class="mw-redirect" title="Carboxyl group">COOH</a></span></li> <li><code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem2</span><span class="p">|[[</span><span class="nt">CH3</span><span class="p">]]</span>C<span class="p">[[</span><span class="nt">R</span><span class="p">]]</span>2<span class="p">[[</span><span class="nt">I</span><span class="p">]]}}</span></code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Methyl_group" title="Methyl group">CH<sub class="template-chem2-sub">3</sub></a>C<a href="/wiki/Substituent" title="Substituent">R</a><sub class="template-chem2-sub">2</sub><a href="/wiki/Iodine" title="Iodine">I</a></span></li> <li>In particular H2O links to <a href="/wiki/Water_of_crystallization" title="Water of crystallization">water of crystallization</a> in <code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem2</span><span class="p">|</span>CuSO4 * 5 <span class="p">[[</span><span class="nt">H2O</span><span class="p">]]}}</span></code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CuSO<sub class="template-chem2-sub">4</sub> · 5 <a href="/wiki/Water_of_crystallization" title="Water of crystallization">H<sub class="template-chem2-sub">2</sub>O</a></span>, because a link to water is generally unnecessary.</li></ul> <p>You can link to any article even if chem2 is unaware of it: </p> <ul><li><code>{{chem2|[[C6H5NH2]]}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/C6H5NH2" class="mw-redirect" title="C6H5NH2">C<sub class="template-chem2-sub">6</sub>H<sub class="template-chem2-sub">5</sub>NH<sub class="template-chem2-sub">2</sub></a></span></li></ul> <p>To change the default link: </p> <ul><li><code>{{chem2|[[water|H2O]]}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Water" title="Water">H<sub class="template-chem2-sub">2</sub>O</a></span></li></ul> <div class="mw-heading mw-heading3"><h3 id="All_recognised_symbols_and_codes">All recognised symbols and codes</h3></div> <style data-mw-deduplicate="TemplateStyles:r1256386598">.mw-parser-output .cot-header-mainspace{background:#F0F2F5;color:inherit}.mw-parser-output .cot-header-other{background:#CCFFCC;color:inherit}@media screen{html.skin-theme-clientpref-night .mw-parser-output .cot-header-mainspace{background:#14181F;color:inherit}html.skin-theme-clientpref-night .mw-parser-output .cot-header-other{background:#003500;color:inherit}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cot-header-mainspace{background:#14181F;color:inherit}html.skin-theme-clientpref-os .mw-parser-output .cot-header-other{background:#003500;color:inherit}}</style> <div style="margin-left:0"> <table class="mw-collapsible mw-archivedtalk mw-collapsed" style="color:inherit; background: transparent; text-align: left; border: 1px solid Silver; margin: 0.2em auto auto; width:100%; clear: both; padding: 1px;"> <tbody><tr> <th class="cot-header-other" style="background:#CEF2E0; font-size:87%; padding:0.2em 0.3em; text-align:center; color:#202122"><div style="font-size:115%;margin:0 4em">All link targets recognised by <span class="nowrap">{{chem2}}</span> (elements, general codes, functional groups)</div> </th></tr> <tr> <td style="color:inherit; border: solid 1px Silver; padding: 0.6em; background: var(--background-color-base, #fff);"> <style data-mw-deduplicate="TemplateStyles:r1184024115">.mw-parser-output .div-col{margin-top:0.3em;column-width:30em}.mw-parser-output .div-col-small{font-size:90%}.mw-parser-output .div-col-rules{column-rule:1px solid #aaa}.mw-parser-output .div-col dl,.mw-parser-output .div-col ol,.mw-parser-output .div-col ul{margin-top:0}.mw-parser-output .div-col li,.mw-parser-output .div-col dd{page-break-inside:avoid;break-inside:avoid-column}</style><div class="div-col"> <div class="mw-heading mw-heading3"><h3 id="Elements_and_element-style_symbols">Elements and element-style symbols</h3></div> <p>These may be automatically linked or used as if they were redirects. </p> <table class="wikitable"> <tbody><tr> <th>Symbol</th> <th>Link target </th></tr> <tr> <td>Ac</td> <td><a href="/wiki/Actinium" title="Actinium">Actinium</a> </td></tr> <tr> <td>Ag</td> <td><a href="/wiki/Silver" title="Silver">Silver</a> </td></tr> <tr> <td>Al</td> <td><a href="/wiki/Aluminium" title="Aluminium">Aluminium</a> </td></tr> <tr> <td>Am</td> <td><a href="/wiki/Americium" title="Americium">Americium</a> </td></tr> <tr> <td>Ar</td> <td><a href="/wiki/Argon" title="Argon">Argon</a> </td></tr> <tr> <td>As</td> <td><a href="/wiki/Arsenic" title="Arsenic">Arsenic</a> </td></tr> <tr> <td>At</td> <td><a href="/wiki/Astatine" title="Astatine">Astatine</a> </td></tr> <tr> <td>Au</td> <td><a href="/wiki/Gold" title="Gold">Gold</a> </td></tr> <tr> <td>B</td> <td><a href="/wiki/Boron" title="Boron">Boron</a> </td></tr> <tr> <td>Ba</td> <td><a href="/wiki/Barium" title="Barium">Barium</a> </td></tr> <tr> <td>Be</td> <td><a href="/wiki/Beryllium" title="Beryllium">Beryllium</a> </td></tr> <tr> <td>Bh</td> <td><a href="/wiki/Bohrium" title="Bohrium">Bohrium</a> </td></tr> <tr> <td>Bi</td> <td><a href="/wiki/Bismuth" title="Bismuth">Bismuth</a> </td></tr> <tr> <td>Bk</td> <td><a href="/wiki/Berkelium" title="Berkelium">Berkelium</a> </td></tr> <tr> <td>Bn</td> <td><a href="/wiki/Benzyl_group" title="Benzyl group">Benzyl group</a> </td></tr> <tr> <td>Br</td> <td><a href="/wiki/Bromine" title="Bromine">Bromine</a> </td></tr> <tr> <td>Bz</td> <td><a href="/wiki/Benzoyl_group" title="Benzoyl group">Benzoyl group</a> </td></tr> <tr> <td>C</td> <td><a href="/wiki/Carbon" title="Carbon">Carbon</a> </td></tr> <tr> <td>Ca</td> <td><a href="/wiki/Calcium" title="Calcium">Calcium</a> </td></tr> <tr> <td>Cd</td> <td><a href="/wiki/Cadmium" title="Cadmium">Cadmium</a> </td></tr> <tr> <td>Ce</td> <td><a href="/wiki/Cerium" title="Cerium">Cerium</a> </td></tr> <tr> <td>Cf</td> <td><a href="/wiki/Californium" title="Californium">Californium</a> </td></tr> <tr> <td>Cl</td> <td><a href="/wiki/Chlorine" title="Chlorine">Chlorine</a> </td></tr> <tr> <td>Cm</td> <td><a href="/wiki/Curium" title="Curium">Curium</a> </td></tr> <tr> <td>Co</td> <td><a href="/wiki/Cobalt" title="Cobalt">Cobalt</a> </td></tr> <tr> <td>Cp</td> <td><a href="/wiki/Copernicium" title="Copernicium">Copernicium</a> </td></tr> <tr> <td>Cr</td> <td><a href="/wiki/Chromium" title="Chromium">Chromium</a> </td></tr> <tr> <td>Cs</td> <td><a href="/wiki/Caesium" title="Caesium">Caesium</a> </td></tr> <tr> <td>Cu</td> <td><a href="/wiki/Copper" title="Copper">Copper</a> </td></tr> <tr> <td>D</td> <td><a href="/wiki/Deuterium" title="Deuterium">Deuterium</a> </td></tr> <tr> <td>Db</td> <td><a href="/wiki/Dubnium" title="Dubnium">Dubnium</a> </td></tr> <tr> <td>Ds</td> <td><a href="/wiki/Darmstadtium" title="Darmstadtium">Darmstadtium</a> </td></tr> <tr> <td>Dy</td> <td><a href="/wiki/Dysprosium" title="Dysprosium">Dysprosium</a> </td></tr> <tr> <td>Er</td> <td><a href="/wiki/Erbium" title="Erbium">Erbium</a> </td></tr> <tr> <td>Es</td> <td><a href="/wiki/Einsteinium" title="Einsteinium">Einsteinium</a> </td></tr> <tr> <td>Et</td> <td><a href="/wiki/Ethyl_group" title="Ethyl group">Ethyl group</a> </td></tr> <tr> <td>Eu</td> <td><a href="/wiki/Europium" title="Europium">Europium</a> </td></tr> <tr> <td>F</td> <td><a href="/wiki/Fluorine" title="Fluorine">Fluorine</a> </td></tr> <tr> <td>Fe</td> <td><a href="/wiki/Iron" title="Iron">Iron</a> </td></tr> <tr> <td>Fl</td> <td><a href="/wiki/Flerovium" title="Flerovium">Flerovium</a> </td></tr> <tr> <td>Fm</td> <td><a href="/wiki/Fermium" title="Fermium">Fermium</a> </td></tr> <tr> <td>Fr</td> <td><a href="/wiki/Francium" title="Francium">Francium</a> </td></tr> <tr> <td>Ga</td> <td><a href="/wiki/Gallium" title="Gallium">Gallium</a> </td></tr> <tr> <td>Gd</td> <td><a href="/wiki/Gadolinium" title="Gadolinium">Gadolinium</a> </td></tr> <tr> <td>Ge</td> <td><a href="/wiki/Germanium" title="Germanium">Germanium</a> </td></tr> <tr> <td>H</td> <td><a href="/wiki/Hydrogen" title="Hydrogen">Hydrogen</a> </td></tr> <tr> <td>He</td> <td><a href="/wiki/Helium" title="Helium">Helium</a> </td></tr> <tr> <td>Hf</td> <td><a href="/wiki/Hafnium" title="Hafnium">Hafnium</a> </td></tr> <tr> <td>Hg</td> <td><a href="/wiki/Mercury_(element)" title="Mercury (element)">Mercury (element)</a> </td></tr> <tr> <td>Ho</td> <td><a href="/wiki/Holmium" title="Holmium">Holmium</a> </td></tr> <tr> <td>Hs</td> <td><a href="/wiki/Hassium" title="Hassium">Hassium</a> </td></tr> <tr> <td>I</td> <td><a href="/wiki/Iodine" title="Iodine">Iodine</a> </td></tr> <tr> <td>In</td> <td><a href="/wiki/Indium" title="Indium">Indium</a> </td></tr> <tr> <td>Ir</td> <td><a href="/wiki/Iridium" title="Iridium">Iridium</a> </td></tr> <tr> <td>K</td> <td><a href="/wiki/Potassium" title="Potassium">Potassium</a> </td></tr> <tr> <td>Kr</td> <td><a href="/wiki/Krypton" title="Krypton">Krypton</a> </td></tr> <tr> <td>La</td> <td><a href="/wiki/Lanthanum" title="Lanthanum">Lanthanum</a> </td></tr> <tr> <td>Li</td> <td><a href="/wiki/Lithium" title="Lithium">Lithium</a> </td></tr> <tr> <td>Ln</td> <td><a href="/wiki/Lanthanide" title="Lanthanide">Lanthanide</a> </td></tr> <tr> <td>Lr</td> <td><a href="/wiki/Lawrencium" title="Lawrencium">Lawrencium</a> </td></tr> <tr> <td>Lu</td> <td><a href="/wiki/Lutetium" title="Lutetium">Lutetium</a> </td></tr> <tr> <td>Lv</td> <td><a href="/wiki/Livermorium" title="Livermorium">Livermorium</a> </td></tr> <tr> <td>Mc</td> <td><a href="/wiki/Moscovium" title="Moscovium">Moscovium</a> </td></tr> <tr> <td>Md</td> <td><a href="/wiki/Mendelevium" title="Mendelevium">Mendelevium</a> </td></tr> <tr> <td>Mg</td> <td><a href="/wiki/Magnesium" title="Magnesium">Magnesium</a> </td></tr> <tr> <td>Mn</td> <td><a href="/wiki/Manganese" title="Manganese">Manganese</a> </td></tr> <tr> <td>Mo</td> <td><a href="/wiki/Molybdenum" title="Molybdenum">Molybdenum</a> </td></tr> <tr> <td>Mt</td> <td><a href="/wiki/Meitnerium" title="Meitnerium">Meitnerium</a> </td></tr> <tr> <td>N</td> <td><a href="/wiki/Nitrogen" title="Nitrogen">Nitrogen</a> </td></tr> <tr> <td>Na</td> <td><a href="/wiki/Sodium" title="Sodium">Sodium</a> </td></tr> <tr> <td>Nb</td> <td><a href="/wiki/Niobium" title="Niobium">Niobium</a> </td></tr> <tr> <td>Nd</td> <td><a href="/wiki/Neodymium" title="Neodymium">Neodymium</a> </td></tr> <tr> <td>Ne</td> <td><a href="/wiki/Neon" title="Neon">Neon</a> </td></tr> <tr> <td>Nh</td> <td><a href="/wiki/Nihonium" title="Nihonium">Nihonium</a> </td></tr> <tr> <td>Ni</td> <td><a href="/wiki/Nickel" title="Nickel">Nickel</a> </td></tr> <tr> <td>No</td> <td><a href="/wiki/Nobelium" title="Nobelium">Nobelium</a> </td></tr> <tr> <td>Np</td> <td><a href="/wiki/Neptunium" title="Neptunium">Neptunium</a> </td></tr> <tr> <td>Nu</td> <td><a href="/wiki/Nucleophile" title="Nucleophile">Nucleophile</a> </td></tr> <tr> <td>O</td> <td><a href="/wiki/Oxygen" title="Oxygen">Oxygen</a> </td></tr> <tr> <td>Og</td> <td><a href="/wiki/Oganesson" title="Oganesson">Oganesson</a> </td></tr> <tr> <td>Os</td> <td><a href="/wiki/Osmium" title="Osmium">Osmium</a> </td></tr> <tr> <td>P</td> <td><a href="/wiki/Phosphorus" title="Phosphorus">Phosphorus</a> </td></tr> <tr> <td>Pa</td> <td><a href="/wiki/Protactinium" title="Protactinium">Protactinium</a> </td></tr> <tr> <td>Pb</td> <td><a href="/wiki/Lead" title="Lead">Lead</a> </td></tr> <tr> <td>Pd</td> <td><a href="/wiki/Palladium" title="Palladium">Palladium</a> </td></tr> <tr> <td>Ph</td> <td><a href="/wiki/Phenyl_group" title="Phenyl group">Phenyl group</a> </td></tr> <tr> <td>Pm</td> <td><a href="/wiki/Promethium" title="Promethium">Promethium</a> </td></tr> <tr> <td>Po</td> <td><a href="/wiki/Polonium" title="Polonium">Polonium</a> </td></tr> <tr> <td>Pr</td> <td><a href="/wiki/Praseodymium" title="Praseodymium">Praseodymium</a> </td></tr> <tr> <td>Pt</td> <td><a href="/wiki/Platinum" title="Platinum">Platinum</a> </td></tr> <tr> <td>Pu</td> <td><a href="/wiki/Plutonium" title="Plutonium">Plutonium</a> </td></tr> <tr> <td>R</td> <td><a href="/wiki/Substituent" title="Substituent">Substituent</a> </td></tr> <tr> <td>Ra</td> <td><a href="/wiki/Radium" title="Radium">Radium</a> </td></tr> <tr> <td>Rb</td> <td><a href="/wiki/Rubidium" title="Rubidium">Rubidium</a> </td></tr> <tr> <td>Re</td> <td><a href="/wiki/Rhenium" title="Rhenium">Rhenium</a> </td></tr> <tr> <td>Rf</td> <td><a href="/wiki/Rutherfordium" title="Rutherfordium">Rutherfordium</a> </td></tr> <tr> <td>Rg</td> <td><a href="/wiki/Roentgenium" title="Roentgenium">Roentgenium</a> </td></tr> <tr> <td>Rh</td> <td><a href="/wiki/Rhodium" title="Rhodium">Rhodium</a> </td></tr> <tr> <td>Rn</td> <td><a href="/wiki/Radon" title="Radon">Radon</a> </td></tr> <tr> <td>Ru</td> <td><a href="/wiki/Ruthenium" title="Ruthenium">Ruthenium</a> </td></tr> <tr> <td>S</td> <td><a href="/wiki/Sulfur" title="Sulfur">Sulfur</a> </td></tr> <tr> <td>Sb</td> <td><a href="/wiki/Antimony" title="Antimony">Antimony</a> </td></tr> <tr> <td>Sc</td> <td><a href="/wiki/Scandium" title="Scandium">Scandium</a> </td></tr> <tr> <td>Se</td> <td><a href="/wiki/Selenium" title="Selenium">Selenium</a> </td></tr> <tr> <td>Sg</td> <td><a href="/wiki/Seaborgium" title="Seaborgium">Seaborgium</a> </td></tr> <tr> <td>Si</td> <td><a href="/wiki/Silicon" title="Silicon">Silicon</a> </td></tr> <tr> <td>Sm</td> <td><a href="/wiki/Samarium" title="Samarium">Samarium</a> </td></tr> <tr> <td>Sn</td> <td><a href="/wiki/Tin" title="Tin">Tin</a> </td></tr> <tr> <td>Sr</td> <td><a href="/wiki/Strontium" title="Strontium">Strontium</a> </td></tr> <tr> <td>T</td> <td><a href="/wiki/Tritium" title="Tritium">Tritium</a> </td></tr> <tr> <td>Ta</td> <td><a href="/wiki/Tantalum" title="Tantalum">Tantalum</a> </td></tr> <tr> <td>Tb</td> <td><a href="/wiki/Terbium" title="Terbium">Terbium</a> </td></tr> <tr> <td>Tc</td> <td><a href="/wiki/Technetium" title="Technetium">Technetium</a> </td></tr> <tr> <td>Te</td> <td><a href="/wiki/Tellurium" title="Tellurium">Tellurium</a> </td></tr> <tr> <td>Tf</td> <td><a href="/wiki/Trifluoromethylsulfonyl_group" class="mw-redirect" title="Trifluoromethylsulfonyl group">Trifluoromethylsulfonyl group</a> </td></tr> <tr> <td>Th</td> <td><a href="/wiki/Thorium" title="Thorium">Thorium</a> </td></tr> <tr> <td>Ti</td> <td><a href="/wiki/Titanium" title="Titanium">Titanium</a> </td></tr> <tr> <td>Tl</td> <td><a href="/wiki/Thallium" title="Thallium">Thallium</a> </td></tr> <tr> <td>Tm</td> <td><a href="/wiki/Thulium" title="Thulium">Thulium</a> </td></tr> <tr> <td>Ts</td> <td><a href="/wiki/Tennessine" title="Tennessine">Tennessine</a> </td></tr> <tr> <td>U</td> <td><a href="/wiki/Uranium" title="Uranium">Uranium</a> </td></tr> <tr> <td>V</td> <td><a href="/wiki/Vanadium" title="Vanadium">Vanadium</a> </td></tr> <tr> <td>W</td> <td><a href="/wiki/Tungsten" title="Tungsten">Tungsten</a> </td></tr> <tr> <td>X</td> <td><a href="/wiki/Halogen" title="Halogen">Halogen</a> </td></tr> <tr> <td>Xe</td> <td><a href="/wiki/Xenon" title="Xenon">Xenon</a> </td></tr> <tr> <td>Y</td> <td><a href="/wiki/Yttrium" title="Yttrium">Yttrium</a> </td></tr> <tr> <td>Yb</td> <td><a href="/wiki/Ytterbium" title="Ytterbium">Ytterbium</a> </td></tr> <tr> <td>Zn</td> <td><a href="/wiki/Zinc" title="Zinc">Zinc</a> </td></tr> <tr> <td>Zr</td> <td><a href="/wiki/Zirconium" title="Zirconium">Zirconium</a> </td></tr></tbody></table> <div class="mw-heading mw-heading3"><h3 id="Groups">Groups</h3></div> <p>These must be linked manually; they work as if they were redirects. </p> <table class="wikitable"> <tbody><tr> <th>Symbol</th> <th>Link target </th></tr> <tr> <td>CH3</td> <td><a href="/wiki/Methyl_group" title="Methyl group">Methyl group</a> </td></tr> <tr> <td>CO3</td> <td><a href="/wiki/Carbonate" title="Carbonate">Carbonate</a> </td></tr> <tr> <td>COOH</td> <td><a href="/wiki/Carboxyl_group" class="mw-redirect" title="Carboxyl group">Carboxyl group</a> </td></tr> <tr> <td>ClO</td> <td><a href="/wiki/Hypochlorite" title="Hypochlorite">Hypochlorite</a> </td></tr> <tr> <td>ClO2</td> <td><a href="/wiki/Chlorite" title="Chlorite">Chlorite</a> </td></tr> <tr> <td>ClO3</td> <td><a href="/wiki/Chlorate" title="Chlorate">Chlorate</a> </td></tr> <tr> <td>ClO4</td> <td><a href="/wiki/Perchlorate" title="Perchlorate">Perchlorate</a> </td></tr> <tr> <td>H2O</td> <td><a href="/wiki/Water_of_crystallization" title="Water of crystallization">Water of crystallization</a> </td></tr> <tr> <td>H3O</td> <td><a href="/wiki/Hydronium" title="Hydronium">Hydronium</a> </td></tr> <tr> <td>NH2</td> <td><a href="/wiki/Amine_group" class="mw-redirect" title="Amine group">Amine group</a> </td></tr> <tr> <td>NH4</td> <td><a href="/wiki/Ammonium" title="Ammonium">Ammonium</a> </td></tr> <tr> <td>NO3</td> <td><a href="/wiki/Nitrate" title="Nitrate">Nitrate</a> </td></tr> <tr> <td>PO3</td> <td><a href="/wiki/Phosphite" class="mw-redirect" title="Phosphite">Phosphite</a> </td></tr> <tr> <td>PO4</td> <td><a href="/wiki/Phosphate" title="Phosphate">Phosphate</a> </td></tr> <tr> <td>SH</td> <td><a href="/wiki/Thiol_group" class="mw-redirect" title="Thiol group">Thiol group</a> </td></tr> <tr> <td>SO3</td> <td><a href="/wiki/Sulfite" title="Sulfite">Sulfite</a> </td></tr> <tr> <td>SO4</td> <td><a href="/wiki/Sulfate" title="Sulfate">Sulfate</a> </td></tr> <tr> <td>SeH</td> <td><a href="/wiki/Selenol_group" class="mw-redirect" title="Selenol group">Selenol group</a> </td></tr></tbody></table> </div> </td></tr></tbody></table></div> <div class="mw-heading mw-heading2"><h2 id="Examples_and_tests">Examples and tests</h2></div> <p>(The first "→" in each example is not part of the output; it separates the example from its output.) </p> <ul><li><code>{{chem2|[Cl4Re\qReCl4](2-)|}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[Cl<sub class="template-chem2-sub">4</sub>Re≣ReCl<sub class="template-chem2-sub">4</sub>]<sup>2−</sup></span></li> <li><code>{{chem2|NH2RCHCO2H <-> NH3+RCHCO2−}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">NH<sub class="template-chem2-sub">2</sub>RCHCO<sub class="template-chem2-sub">2</sub>H ⇌ NH<span class="template-chem2-su"><span>+</span><span>3</span></span>RCHCO<span class="template-chem2-su"><span>−</span><span>2</span></span></span></li></ul> <hr /> <ul><li><code>{{chem2|\\hallo}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">\hallo</span></li> <li><code>{{chem2|H3CC\tCH <-> H2C\dC\dCH2}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">3</sub>CC≡CH ⇌ H<sub class="template-chem2-sub">2</sub>C=C=CH<sub class="template-chem2-sub">2</sub></span></li> <li><code>{{chem2|4 NH3 + 5 O2 -> 4 NO + 6 H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">4 NH<sub class="template-chem2-sub">3</sub> + 5 O<sub class="template-chem2-sub">2</sub> → 4 NO + 6 H<sub class="template-chem2-sub">2</sub>O</span></li></ul> <hr /> <ul><li><code>{{chem2|H2O &#8594; H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>O → H<sub class="template-chem2-sub">2</sub>O</span></li> <li><code>{{chem2|H2O(l) -> H2O(g)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>O(l) → H<sub class="template-chem2-sub">2</sub>O(g)</span></li></ul> <hr /> <ul><li><code>{{chem2|4 NH3 + 5 O2 → 4 NO + 6 H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">4 NH<sub class="template-chem2-sub">3</sub> + 5 O<sub class="template-chem2-sub">2</sub> → 4 NO + 6 H<sub class="template-chem2-sub">2</sub>O</span></li> <li><code>{{chem2|4NH3 + 5O2 → 4NO + 6H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">4NH<sub class="template-chem2-sub">3</sub> + 5O<sub class="template-chem2-sub">2</sub> → 4NO + 6H<sub class="template-chem2-sub">2</sub>O</span></li> <li><code>{{chem2|2Mn2(+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2Mn<span class="template-chem2-su"><span>+</span><span>2</span></span></span></li> <li><code>{{chem2|2Mn2(+) + 3H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2Mn<span class="template-chem2-su"><span>+</span><span>2</span></span> + 3H<sub class="template-chem2-sub">2</sub>O</span></li> <li><code>{{chem2|Mn–}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<sup class="template-chem2-sup">−</sup></span></li></ul> <hr /> <ul><li><code>{{chem2|Mn2(2-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>2−</span><span>2</span></span></span></li> <li><code>{{chem2|Mn2☃+}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<sub class="template-chem2-sub">2</sub>☃<sup class="template-chem2-sup">+</sup></span>;</li> <li><code>{{chem2|Mn2(2☃–)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<sub class="template-chem2-sub">2</sub>(<sub class="template-chem2-sub">2</sub>☃<sup class="template-chem2-sup">−</sup>)</span></li> <li><code>{{chem2|Mn2(+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>+</span><span>2</span></span></span></li> <li><code>{{chem2|Mn2+}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>+</span><span>2</span></span></span></li> <li><code>{{chem2|Mn2(-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>−</span><span>2</span></span></span></li> <li><code>{{chem2|Mn2-}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>−</span><span>2</span></span></span></li></ul> <hr /> <ul><li><code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem2</span><span class="p">|</span>C_{<span class="ge">''n''</span>}H_{2<span class="ge">''n''</span><span class="ni">&nbsp;</span>+<span class="ni">&nbsp;</span>2}<span class="p">|}}</span></code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub"><i>n</i></sub>H<sub class="template-chem2-sub">2<i>n</i> + 2</sub></span></li> <li>(chem: <code class="mw-highlight mw-highlight-lang-wikitext mw-content-ltr" dir="ltr"><span class="p">{{</span><span class="nt">chem</span><span class="p">|</span>C<span class="p">|</span><span class="ge">''n''</span><span class="p">|</span>H<span class="p">|</span>2<span class="ge">''n''</span><span class="ni">&nbsp;</span>+<span class="ni">&nbsp;</span>2<span class="p">}}</span></code> → <span class="chemf nowrap">C<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline"><i>n</i></sub></span></span>H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2<i>n</i> + 2</sub></span></span></span></li> <li><code>{{chem2|C_{abc}|}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">abc</sub></span></li> <li><code>{{chem2|CoCl2*1.5H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CoCl<sub class="template-chem2-sub">2</sub>·1.5H<sub>2</sub>O</span></li> <li><code>{{chem2|Cu2C2*H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Cu<sub class="template-chem2-sub">2</sub>C<sub class="template-chem2-sub">2</sub>·H<sub>2</sub>O</span></li></ul> <hr /> <p><b>Special</b> </p> <ul><li><code>{{chem2|[Me2Al(\m{2}Me)]2}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[Me<sub class="template-chem2-sub">2</sub>Al(μ<sub>2</sub>-Me)]<sub class="template-chem2-sub">2</sub></span></li> <li><code>{{chem2|^{13}CO2}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><sup class="template-chem2-sup">13</sup>CO<sub class="template-chem2-sub">2</sub></span></li> <li><code>{{chem2|^{13}CO2|auto=yes}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><sup class="template-chem2-sup">13</sup><a href="/wiki/Carbon" title="Carbon">C</a><a href="/wiki/Oxygen" title="Oxygen">O</a><sub class="template-chem2-sub">2</sub></span></li> <li><code>{{chem2|\h{5}(C5H5)2TiCl2}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">η<sup>5</sup>-(C<sub class="template-chem2-sub">5</sub>H<sub class="template-chem2-sub">5</sub>)<sub class="template-chem2-sub">2</sub>TiCl<sub class="template-chem2-sub">2</sub></span></li> <li>(bad) <code>{{chem2|\h{5}\s(C5H5)2TiCl2}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">η<sup>5</sup>-−(C<sub class="template-chem2-sub">5</sub>H<sub class="template-chem2-sub">5</sub>)<sub class="template-chem2-sub">2</sub>TiCl<sub class="template-chem2-sub">2</sub></span></li> <li><code>{{chem2|CH2\dCH2\sCH2\sC\tCH\qMn}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CH<sub class="template-chem2-sub">2</sub>=CH<sub class="template-chem2-sub">2</sub>−CH<sub class="template-chem2-sub">2</sub>−C≡CH≣Mn</span></li></ul> <hr /> <ul><li><code>{{chem2|RC(OR')3}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">RC(OR')<sub class="template-chem2-sub">3</sub></span></li> <li><code>{{chem2|C\\C}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C\C</span></li> <li><code>{{chem2|C2*NH3}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>·NH<sub class="template-chem2-sub">3</sub></span></li> <li><code>{{chem2|C2*2NH3}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>·2NH<sub class="template-chem2-sub">3</sub></span></li> <li><code>{{chem2|C1.2H3.5}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">1.2</sub>H<sub class="template-chem2-sub">3.5</sub></span></li></ul> <hr /> <ul><li><code>{{chem2|\b\bAbC\e\e}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">AbC</span></li> <li><code>{{chem2|C2(μ\-C)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">C<sub class="template-chem2-sub">2</sub>(μ-C)</span></li></ul> <hr /> <ul><li><code>{{chem2|SO4(2-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">SO<span class="template-chem2-su"><span>2−</span><span>4</span></span></span></li> <li><code>{{chem2|2Mn2(2+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">2Mn<span class="template-chem2-su"><span>2+</span><span>2</span></span></span></li> <li><code>{{chem2|CH3-CH2-OH}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CH<span class="template-chem2-su"><span>−</span><span>3</span></span>CH<span class="template-chem2-su"><span>−</span><span>2</span></span>OH</span></li> <li><code>{{chem2|[ZnCl4]-}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[ZnCl<sub class="template-chem2-sub">4</sub>]<sup class="template-chem2-sup">−</sup></span></li> <li><code>{{chem2|[ZnCl4](2-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[ZnCl<sub class="template-chem2-sub">4</sub>]<sup>2−</sup></span></li> <li><code>{{chem2|((H2O)5{CoCl2})2|auto=yes}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">((<a href="/wiki/Hydrogen" title="Hydrogen">H</a><sub class="template-chem2-sub">2</sub><a href="/wiki/Oxygen" title="Oxygen">O</a>)<sub class="template-chem2-sub">5</sub>{<a href="/wiki/Cobalt" title="Cobalt">Co</a><a href="/wiki/Chlorine" title="Chlorine">Cl</a><sub class="template-chem2-sub">2</sub>})<sub class="template-chem2-sub">2</sub></span></li> <li><code>{{chem2|Si(OH)4}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Si(OH)<sub class="template-chem2-sub">4</sub></span></li></ul> <hr /> <ul><li><code>{{chem2|Cu2C2*H2O|auto=yes}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Copper" title="Copper">Cu</a><sub class="template-chem2-sub">2</sub><a href="/wiki/Carbon" title="Carbon">C</a><sub class="template-chem2-sub">2</sub>·H<sub>2</sub>O</span></li> <li><code>{{chem2|Cu2C2*2H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Cu<sub class="template-chem2-sub">2</sub>C<sub class="template-chem2-sub">2</sub>·2H<sub>2</sub>O</span></li> <li><code>{{chem2|CuSO*2H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CuSO·2H<sub>2</sub>O</span></li> <li><code>{{chem2|CuSO4*15H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CuSO<sub class="template-chem2-sub">4</sub>·15H<sub>2</sub>O</span></li> <li><code>{{chem2|CuSO4(H2O)5}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CuSO<sub class="template-chem2-sub">4</sub>(H<sub class="template-chem2-sub">2</sub>O)<sub class="template-chem2-sub">5</sub></span></li> <li><code>{{chem2|H+ + OH- → H2O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sup class="template-chem2-sup">+</sup> + OH<sup class="template-chem2-sup">−</sup> → H<sub class="template-chem2-sub">2</sub>O</span></li> <li><code>{{chem2|H → O}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H → O</span></li></ul> <hr /> <ul><li><code>{{chem2|ZxPo4}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">ZxPo<sub class="template-chem2-sub">4</sub></span>     Unknown element.</li> <li><code>{{chem2|((Na)Cl}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">((Na)Cl</span>     Too many "(".</li> <li><code>{{chem2|Si(OH))4}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Si(OH))<sub class="template-chem2-sub">4</sub></span>     Too many ")".</li> <li><code>{{chem2|Si&[[☃]]Si}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Si&<a href="/wiki/%E2%98%83" class="mw-redirect" title="☃">☃</a>Si</span></li> <li><code>{{chem2|1=CH2=CH2}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">CH<sub class="template-chem2-sub">2</sub>=CH<sub class="template-chem2-sub">2</sub></span></li></ul> <div class="mw-heading mw-heading3"><h3 id="More">More</h3></div> <ul><li><code>{{chem2|Cl2O6|link=dichlorine hexoxide}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Dichlorine_hexoxide" title="Dichlorine hexoxide">Cl<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">6</sub></a></span></li> <li><code>{{chem2|[Fe(Phen)(Phen)3](2+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[Fe(Phen)(Phen)<sub class="template-chem2-sub">3</sub>]<sup>2+</sup></span></li> <li><code>{{chem2|[Fe(Phen)(Phen)3](2+)|auto=yes}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[<a href="/wiki/Iron" title="Iron">Fe</a>(Phen)(Phen)<sub class="template-chem2-sub">3</sub>]<sup>2+</sup></span></li> <li><code>{{chem2|[C2O2](2+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">[C<sub class="template-chem2-sub">2</sub>O<sub class="template-chem2-sub">2</sub>]<sup>2+</sup></span></li> <li><code>{{chem2|SI4|link=Tomato}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Tomato" title="Tomato">SI<sub class="template-chem2-sub">4</sub></a></span></li> <li><code>{{chem2|H2SO4+}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<sub class="template-chem2-sub">2</sub>SO<span class="template-chem2-su"><span>+</span><span>4</span></span></span></li> <li><code>{{chem2|Mn-}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<sup class="template-chem2-sup">−</sup></span></li> <li><code>{{chem2|Mn22+}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>+</span><span>22</span></span></span>, <code>{{chem2|Mn22-}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>−</span><span>22</span></span></span></li> <li><code>{{chem2|Mn(2+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<sup>2+</sup></span></li> <li><code>{{chem2|Mn2(+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>+</span><span>2</span></span></span></li> <li><code>{{chem2|Mn(22-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<sup>22−</sup></span></li> <li><code>{{chem2|Mn3(22-)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>22−</span><span>3</span></span></span></li> <li><code>{{chem2|Mn(22+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<sup>22+</sup></span></li> <li><code>{{chem2|Mn2(22+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>22+</span><span>2</span></span></span></li> <li><code>{{chem2|Mn2(2+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>2+</span><span>2</span></span></span></li> <li><code>{{chem2|Mn22(2+)}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">Mn<span class="template-chem2-su"><span>2+</span><span>22</span></span></span></li></ul> <div class="mw-heading mw-heading3"><h3 id="Chem_vs_chem2">Chem vs chem2</h3></div> <ul><li><code>{{chem|(CH|3|)|2|CO}}</code> → <span class="chemf nowrap">(CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">3</sub></span></span>)<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span>CO</span></li> <li><code>{{chem2|(CH3)2CO}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">(CH<sub class="template-chem2-sub">3</sub>)<sub class="template-chem2-sub">2</sub>CO</span></li> <li><code>{{chem|H|2|+}}</code> → <span class="chemf nowrap">H<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline">+</sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></span></li> <li><code>{{chem2|H2+}}</code> → <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap">H<span class="template-chem2-su"><span>+</span><span>2</span></span></span></li></ul> <div class="mw-heading mw-heading2"><h2 id="Predefined_codes_(groups_etc.)"><span id="Predefined_codes_.28groups_etc..29"></span>Predefined codes (groups etc.) <span class="anchor" id="Predefined"></span></h2></div> <table class="wikitable sortable collapsible" style="font-size"> <tbody><tr> <th colspan="5">Predefined codes </th></tr> <tr> <th>code </th> <th>target article </th> <th><code>{{chem2|code}}</code> </th> <th>type </th> <th>note </th></tr> <tr> <th colspan="5" style="text-align:left;">A. Groups etc with element-like names </th></tr> <tr> <td><style data-mw-deduplicate="TemplateStyles:r886049734">.mw-parser-output .monospaced{font-family:monospace,monospace}</style><span class="monospaced">Bz</span> </td> <td><a href="/wiki/Benzoyl_group" title="Benzoyl group">Benzoyl group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Benzoyl_group" title="Benzoyl group">Bz</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">Et</span> </td> <td><a href="/wiki/Ethyl_group" title="Ethyl group">Ethyl group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Ethyl_group" title="Ethyl group">Et</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">Ln</span> </td> <td><a href="/wiki/Lanthanide" title="Lanthanide">Lanthanide</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Lanthanide" title="Lanthanide">Ln</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">Nu</span> </td> <td><a href="/wiki/Nucleophile" title="Nucleophile">Nucleophile</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Nucleophile" title="Nucleophile">Nu</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">Ph</span> </td> <td><a href="/wiki/Phenyl_group" title="Phenyl group">Phenyl group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Phenyl_group" title="Phenyl group">Ph</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">R</span> </td> <td><a href="/wiki/Substituent" title="Substituent">Substituent</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Substituent" title="Substituent">R</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">T</span> </td> <td><a href="/wiki/Tritium" title="Tritium">Tritium</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Tritium" title="Tritium">T</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">Tf</span> </td> <td><a href="/wiki/Trifluoromethylsulfonyl_group" class="mw-redirect" title="Trifluoromethylsulfonyl group">Trifluoromethylsulfonyl group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Trifluoromethylsulfonyl_group" class="mw-redirect" title="Trifluoromethylsulfonyl group">Tf</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">X</span> </td> <td><a href="/wiki/Halogen" title="Halogen">Halogen</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Halogen" title="Halogen">X</a></span> </td> <td>A: wl <code class="tpl-para" style="word-break:break-word;">|auto=yes</code> </td> <td> </td></tr> <tr> <th colspan="5" style="text-align:left;">B. Groups which are redirected from their normal target if wikilinked; never autolinked. </th></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">CH3</span> </td> <td><a href="/wiki/Methyl_group" title="Methyl group">Methyl group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Methyl_group" title="Methyl group">CH<sub class="template-chem2-sub">3</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">CO3</span> </td> <td><a href="/wiki/Carbonate" title="Carbonate">Carbonate</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Carbonate" title="Carbonate">CO<sub class="template-chem2-sub">3</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">COOH</span> </td> <td><a href="/wiki/Carboxyl_group" class="mw-redirect" title="Carboxyl group">Carboxyl group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Carboxyl_group" class="mw-redirect" title="Carboxyl group">COOH</a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">ClO</span> </td> <td><a href="/wiki/Hypochlorite" title="Hypochlorite">Hypochlorite</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Hypochlorite" title="Hypochlorite">ClO</a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">ClO2</span> </td> <td><a href="/wiki/Chlorite" title="Chlorite">Chlorite</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Chlorite" title="Chlorite">ClO<sub class="template-chem2-sub">2</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">ClO3</span> </td> <td><a href="/wiki/Chlorate" title="Chlorate">Chlorate</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Chlorate" title="Chlorate">ClO<sub class="template-chem2-sub">3</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">ClO4</span> </td> <td><a href="/wiki/Perchlorate" title="Perchlorate">Perchlorate</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Perchlorate" title="Perchlorate">ClO<sub class="template-chem2-sub">4</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">H2O</span> </td> <td><a href="/wiki/Water_of_crystallization" title="Water of crystallization">Water of crystallization</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Water_of_crystallization" title="Water of crystallization">H<sub class="template-chem2-sub">2</sub>O</a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">H3O</span> </td> <td><a href="/wiki/Hydronium" title="Hydronium">Hydronium</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Hydronium" title="Hydronium">H<sub class="template-chem2-sub">3</sub>O</a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">NH2</span> </td> <td><a href="/wiki/Amine_group" class="mw-redirect" title="Amine group">Amine group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Amine_group" class="mw-redirect" title="Amine group">NH<sub class="template-chem2-sub">2</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">NH4</span> </td> <td><a href="/wiki/Ammonium" title="Ammonium">Ammonium</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Ammonium" title="Ammonium">NH<sub class="template-chem2-sub">4</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">NO3</span> </td> <td><a href="/wiki/Nitrate" title="Nitrate">Nitrate</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Nitrate" title="Nitrate">NO<sub class="template-chem2-sub">3</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">PO3</span> </td> <td><a href="/wiki/Phosphite" class="mw-redirect" title="Phosphite">Phosphite</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Phosphite" class="mw-redirect" title="Phosphite">PO<sub class="template-chem2-sub">3</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">PO4</span> </td> <td><a href="/wiki/Phosphate" title="Phosphate">Phosphate</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Phosphate" title="Phosphate">PO<sub class="template-chem2-sub">4</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">SH</span> </td> <td><a href="/wiki/Thiol_group" class="mw-redirect" title="Thiol group">Thiol group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Thiol_group" class="mw-redirect" title="Thiol group">SH</a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">SO3</span> </td> <td><a href="/wiki/Sulfite" title="Sulfite">Sulfite</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Sulfite" title="Sulfite">SO<sub class="template-chem2-sub">3</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">SO4</span> </td> <td><a href="/wiki/Sulfate" title="Sulfate">Sulfate</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Sulfate" title="Sulfate">SO<sub class="template-chem2-sub">4</sub></a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr> <tr> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r886049734"><span class="monospaced">SeH</span> </td> <td><a href="/wiki/Selenol_group" class="mw-redirect" title="Selenol group">Selenol group</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1123817410"><span class="chemf nowrap"><a href="/wiki/Selenol_group" class="mw-redirect" title="Selenol group">SeH</a></span> </td> <td>B: wl <code>|..[[code]]..</code> </td> <td> </td></tr></tbody></table> <div class="mw-heading mw-heading2"><h2 id="TemplateData">TemplateData</h2></div> <div class="templatedata-header">This is the <a href="/wiki/Wikipedia:TemplateData" title="Wikipedia:TemplateData">TemplateData</a> for this template used by <a href="https://www.mediawiki.org/wiki/Extension:TemplateWizard" class="extiw" title="mw:Extension:TemplateWizard">TemplateWizard</a>, <a href="/wiki/Wikipedia:VisualEditor" title="Wikipedia:VisualEditor">VisualEditor</a> and other tools. <a rel="nofollow" class="external text" href="https://bambots.brucemyers.com/TemplateParam.php?wiki=enwiki&template=Chem2">See a monthly parameter usage report</a> for <a class="mw-selflink selflink">Template:Chem2</a> in articles based on its TemplateData. <p><b>TemplateData for Chem2</b> </p> </div> <section class="mw-templatedata-doc-wrap"><header><p class="mw-templatedata-doc-desc mw-templatedata-doc-muted">No description.</p></header><table class="wikitable mw-templatedata-doc-params sortable"><caption><p class="mw-templatedata-caption">Template parameters<span class="mw-editsection-like"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Template:Chem2/doc&action=edit&templatedata=edit" title="Template:Chem2/doc">Edit template data</a><span class="mw-editsection-bracket">]</span></span></p></caption><thead><tr><th colspan="2">Parameter</th><th>Description</th><th>Type</th><th>Status</th></tr></thead><tbody><tr><th>1</th><td class="mw-templatedata-doc-param-name"><code>1</code></td><td><p class="mw-templatedata-doc-muted">no description</p><dl></dl></td><td class="mw-templatedata-doc-param-type mw-templatedata-doc-muted">Unknown</td><td class="mw-templatedata-doc-param-status-optional" data-sort-value="0">optional</td></tr><tr><th>auto</th><td class="mw-templatedata-doc-param-name"><code>auto</code></td><td><p class="mw-templatedata-doc-muted">no description</p><dl></dl></td><td class="mw-templatedata-doc-param-type mw-templatedata-doc-muted">Unknown</td><td class="mw-templatedata-doc-param-status-optional" data-sort-value="0">optional</td></tr><tr><th>link</th><td class="mw-templatedata-doc-param-name"><code>link</code></td><td><p class="mw-templatedata-doc-muted">no description</p><dl></dl></td><td class="mw-templatedata-doc-param-type mw-templatedata-doc-muted">Unknown</td><td class="mw-templatedata-doc-param-status-optional" data-sort-value="0">optional</td></tr></tbody></table></section> <div class="mw-heading mw-heading2"><h2 id="Tracking">Tracking</h2></div> <ul><li><a href="/wiki/Category:Pages_using_Chem2_with_parameter_issues" title="Category:Pages using Chem2 with parameter issues">Category:Pages using Chem2 with parameter issues</a> (2)</li></ul> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div> <ul><li><span class="nowrap">{{</span><a href="/wiki/Template:Chem" title="Template:Chem">Chem</a><span class="nowrap">}}</span></li> <li><chem>: <a href="/wiki/Wikipedia:MATHCHEM" class="mw-redirect" 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