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vector-page-titlebar"> <nav aria-label="目錄" 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="開/收內容一覽" > <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">開/收內容一覽</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">氧化數</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="去睇另一種語文嘅文章。有80種語言版本。" > <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-80" 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">80種語言</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Oksidasietoestand" title="Oksidasietoestand – 南非荷蘭文" lang="af" hreflang="af" data-title="Oksidasietoestand" data-language-autonym="Afrikaans" data-language-local-name="南非荷蘭文" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Numero_d%27oxidaci%C3%B3n" title="Numero d'oxidación – 阿拉貢文" lang="an" hreflang="an" data-title="Numero d'oxidación" data-language-autonym="Aragonés" data-language-local-name="阿拉貢文" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%AD%D8%A7%D9%84%D8%A9_%D8%A7%D9%84%D8%A3%D9%83%D8%B3%D8%AF%D8%A9" title="حالة الأكسدة – 阿拉伯文" lang="ar" hreflang="ar" data-title="حالة الأكسدة" data-language-autonym="العربية" data-language-local-name="阿拉伯文" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ary mw-list-item"><a href="https://ary.wikipedia.org/wiki/%D8%AD%D8%A7%D9%84%D8%A9_%D8%AF_%D9%84%D8%A3%D9%83%D8%B3%D8%AF%D8%A9" title="حالة د لأكسدة – 摩洛哥阿拉伯文" lang="ary" hreflang="ary" data-title="حالة د لأكسدة" data-language-autonym="الدارجة" data-language-local-name="摩洛哥阿拉伯文" class="interlanguage-link-target"><span>الدارجة</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Est%C3%A1u_d%27oxidaci%C3%B3n" title="Estáu d'oxidación – 阿斯圖里亞文" lang="ast" hreflang="ast" data-title="Estáu d'oxidación" data-language-autonym="Asturianu" data-language-local-name="阿斯圖里亞文" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-ba mw-list-item"><a href="https://ba.wikipedia.org/wiki/%D0%9E%D0%BA%D0%B8%D1%81%D0%BB%D0%B0%D0%BD%D1%8B%D1%83_%D0%B4%D3%99%D1%80%D3%99%D0%B6%D3%99%D2%BB%D0%B5" title="Окисланыу дәрәжәһе – 巴什客爾文" lang="ba" hreflang="ba" data-title="Окисланыу дәрәжәһе" data-language-autonym="Башҡортса" data-language-local-name="巴什客爾文" class="interlanguage-link-target"><span>Башҡортса</span></a></li><li class="interlanguage-link interwiki-ban mw-list-item"><a href="https://ban.wikipedia.org/wiki/Paindikan_oksidasi" title="Paindikan oksidasi – 峇里文" lang="ban" hreflang="ban" data-title="Paindikan oksidasi" data-language-autonym="Basa Bali" data-language-local-name="峇里文" class="interlanguage-link-target"><span>Basa Bali</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%A1%D1%82%D1%83%D0%BF%D0%B5%D0%BD%D1%8C_%D0%B0%D0%BA%D1%96%D1%81%D0%BB%D0%B5%D0%BD%D0%BD%D1%8F" title="Ступень акіслення – 白俄羅斯文" lang="be" hreflang="be" data-title="Ступень акіслення" data-language-autonym="Беларуская" data-language-local-name="白俄羅斯文" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A1%D1%82%D1%83%D0%BF%D0%B5%D0%BD%D1%8C_%D0%B7%D0%B0%D1%82%D0%BB%D1%8F%D0%BD%D0%B5%D0%BD%D1%8C%D0%BD%D1%8F" title="Ступень затляненьня – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Ступень затляненьня" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A1%D1%82%D0%B5%D0%BF%D0%B5%D0%BD_%D0%BD%D0%B0_%D0%BE%D0%BA%D0%B8%D1%81%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5" title="Степен на окисление – 保加利亞文" lang="bg" hreflang="bg" data-title="Степен на окисление" data-language-autonym="Български" data-language-local-name="保加利亞文" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-blk mw-list-item"><a href="https://blk.wikipedia.org/wiki/Oxidation_number" title="Oxidation number – Pa'O" lang="blk" hreflang="blk" data-title="Oxidation number" data-language-autonym="ပအိုဝ်ႏဘာႏသာႏ" data-language-local-name="Pa'O" class="interlanguage-link-target"><span>ပအိုဝ်ႏဘာႏသာႏ</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%9C%E0%A6%BE%E0%A6%B0%E0%A6%A3_%E0%A6%85%E0%A6%AC%E0%A6%B8%E0%A7%8D%E0%A6%A5%E0%A6%BE" title="জারণ অবস্থা – 孟加拉文" lang="bn" hreflang="bn" data-title="জারণ অবস্থা" data-language-autonym="বাংলা" data-language-local-name="孟加拉文" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Oksidacijsko_stanje" title="Oksidacijsko stanje – 波士尼亞文" lang="bs" hreflang="bs" data-title="Oksidacijsko stanje" data-language-autonym="Bosanski" data-language-local-name="波士尼亞文" 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/Estat_d%27oxidaci%C3%B3" title="Estat d'oxidació – 加泰羅尼亞文" lang="ca" hreflang="ca" data-title="Estat d'oxidació" data-language-autonym="Català" data-language-local-name="加泰羅尼亞文" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%98%D9%85%D8%A7%D8%B1%DB%95%DB%8C_%D8%A6%DB%86%DA%A9%D8%B3%D8%A7%D9%86" title="ژمارەی ئۆکسان – 索拉尼庫爾德文" lang="ckb" hreflang="ckb" data-title="ژمارەی ئۆکسان" data-language-autonym="کوردی" data-language-local-name="索拉尼庫爾德文" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Oxida%C4%8Dn%C3%AD_%C4%8D%C3%ADslo" title="Oxidační číslo – 捷克文" lang="cs" hreflang="cs" data-title="Oxidační číslo" data-language-autonym="Čeština" data-language-local-name="捷克文" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cv mw-list-item"><a href="https://cv.wikipedia.org/wiki/%D0%9E%D0%BA%D1%81%D0%B8%D0%B4%D0%BB%D0%B0%D0%B2_%D0%BA%D0%B0%D0%BF%D0%B0%D1%88%C4%95" title="Оксидлав капашĕ – 楚瓦什文" lang="cv" hreflang="cv" data-title="Оксидлав капашĕ" data-language-autonym="Чӑвашла" data-language-local-name="楚瓦什文" class="interlanguage-link-target"><span>Чӑвашла</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Cyflwr_ocsidiad" title="Cyflwr ocsidiad – 威爾斯文" lang="cy" hreflang="cy" data-title="Cyflwr ocsidiad" data-language-autonym="Cymraeg" data-language-local-name="威爾斯文" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Oxidationstrin" title="Oxidationstrin – 丹麥文" lang="da" hreflang="da" data-title="Oxidationstrin" data-language-autonym="Dansk" data-language-local-name="丹麥文" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Oxidationszahl" title="Oxidationszahl – 德文" lang="de" hreflang="de" data-title="Oxidationszahl" data-language-autonym="Deutsch" data-language-local-name="德文" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%91%CF%81%CE%B9%CE%B8%CE%BC%CF%8C%CF%82_%CE%BF%CE%BE%CE%B5%CE%AF%CE%B4%CF%89%CF%83%CE%B7%CF%82" title="Αριθμός οξείδωσης – 希臘文" lang="el" hreflang="el" data-title="Αριθμός οξείδωσης" data-language-autonym="Ελληνικά" data-language-local-name="希臘文" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Oxidation_state" title="Oxidation state – 英文" lang="en" hreflang="en" data-title="Oxidation state" data-language-autonym="English" data-language-local-name="英文" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Oksidi%C4%9Da_nombro" title="Oksidiĝa nombro – 世界文" lang="eo" hreflang="eo" data-title="Oksidiĝa nombro" data-language-autonym="Esperanto" data-language-local-name="世界文" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Estado_de_oxidaci%C3%B3n" title="Estado de oxidación – 西班牙文" lang="es" hreflang="es" data-title="Estado de oxidación" data-language-autonym="Español" data-language-local-name="西班牙文" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Oks%C3%BCdatsiooniaste" title="Oksüdatsiooniaste – 愛沙尼亞文" lang="et" hreflang="et" data-title="Oksüdatsiooniaste" data-language-autonym="Eesti" data-language-local-name="愛沙尼亞文" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Oxidazio-egoera" title="Oxidazio-egoera – 巴斯克文" lang="eu" hreflang="eu" data-title="Oxidazio-egoera" data-language-autonym="Euskara" data-language-local-name="巴斯克文" 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%B9%D8%AF%D8%AF_%D8%A7%DA%A9%D8%B3%D8%A7%DB%8C%D8%B4" title="عدد اکسایش – 波斯文" lang="fa" hreflang="fa" data-title="عدد اکسایش" data-language-autonym="فارسی" data-language-local-name="波斯文" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Hapetusluku" title="Hapetusluku – 芬蘭文" lang="fi" hreflang="fi" data-title="Hapetusluku" data-language-autonym="Suomi" data-language-local-name="芬蘭文" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Nombre_d%27oxydation" title="Nombre d'oxydation – 法文" lang="fr" hreflang="fr" data-title="Nombre d'oxydation" data-language-autonym="Français" data-language-local-name="法文" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Oksidaasjetast%C3%A2n" title="Oksidaasjetastân – 西弗里西亞文" lang="fy" hreflang="fy" data-title="Oksidaasjetastân" data-language-autonym="Frysk" data-language-local-name="西弗里西亞文" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Staid_ocsa%C3%ADdi%C3%BAch%C3%A1in" title="Staid ocsaídiúcháin – 愛爾蘭文" lang="ga" hreflang="ga" data-title="Staid ocsaídiúcháin" data-language-autonym="Gaeilge" data-language-local-name="愛爾蘭文" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Estado_de_oxidaci%C3%B3n" title="Estado de oxidación – 加里西亞文" lang="gl" hreflang="gl" data-title="Estado de oxidación" data-language-autonym="Galego" data-language-local-name="加里西亞文" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%93%D7%A8%D7%92%D7%AA_%D7%97%D7%9E%D7%A6%D7%95%D7%9F" title="דרגת חמצון – 希伯來文" lang="he" hreflang="he" data-title="דרגת חמצון" data-language-autonym="עברית" data-language-local-name="希伯來文" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%91%E0%A4%95%E0%A5%8D%E0%A4%B8%E0%A5%80%E0%A4%95%E0%A4%B0%E0%A4%A3_%E0%A4%B8%E0%A4%82%E0%A4%96%E0%A5%8D%E0%A4%AF%E0%A4%BE" title="ऑक्सीकरण संख्या – 北印度文" lang="hi" hreflang="hi" data-title="ऑक्सीकरण संख्या" data-language-autonym="हिन्दी" data-language-local-name="北印度文" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Oksidacijski_broj" title="Oksidacijski broj – 克羅埃西亞文" lang="hr" hreflang="hr" data-title="Oksidacijski broj" data-language-autonym="Hrvatski" data-language-local-name="克羅埃西亞文" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Degre_oksidasyon" title="Degre oksidasyon – 海地文" lang="ht" hreflang="ht" data-title="Degre oksidasyon" data-language-autonym="Kreyòl ayisyen" data-language-local-name="海地文" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Oxid%C3%A1ci%C3%B3s_sz%C3%A1m" title="Oxidációs szám – 匈牙利文" lang="hu" hreflang="hu" data-title="Oxidációs szám" data-language-autonym="Magyar" data-language-local-name="匈牙利文" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D5%95%D6%84%D5%BD%D5%AB%D5%A4%D5%A1%D6%81%D5%B4%D5%A1%D5%B6_%D5%A1%D5%BD%D5%BF%D5%AB%D5%B3%D5%A1%D5%B6" title="Օքսիդացման աստիճան – 亞美尼亞文" lang="hy" hreflang="hy" data-title="Օքսիդացման աստիճան" data-language-autonym="Հայերեն" data-language-local-name="亞美尼亞文" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Bilangan_oksidasi" title="Bilangan oksidasi – 印尼文" lang="id" hreflang="id" data-title="Bilangan oksidasi" data-language-autonym="Bahasa Indonesia" data-language-local-name="印尼文" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Oxunartala" title="Oxunartala – 冰島文" lang="is" hreflang="is" data-title="Oxunartala" data-language-autonym="Íslenska" data-language-local-name="冰島文" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Stato_di_ossidazione" title="Stato di ossidazione – 義大利文" lang="it" hreflang="it" data-title="Stato di ossidazione" data-language-autonym="Italiano" data-language-local-name="義大利文" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E9%85%B8%E5%8C%96%E6%95%B0" title="酸化数 – 日文" lang="ja" hreflang="ja" data-title="酸化数" data-language-autonym="日本語" data-language-local-name="日文" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-jbo mw-list-item"><a href="https://jbo.wikipedia.org/wiki/kijytcini" title="kijytcini – 邏輯文" lang="jbo" hreflang="jbo" data-title="kijytcini" data-language-autonym="La .lojban." data-language-local-name="邏輯文" class="interlanguage-link-target"><span>La .lojban.</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%9F%E1%83%90%E1%83%9C%E1%83%92%E1%83%95%E1%83%98%E1%83%A1_%E1%83%A0%E1%83%98%E1%83%AA%E1%83%AE%E1%83%95%E1%83%98" title="ჟანგვის რიცხვი – 喬治亞文" lang="ka" hreflang="ka" data-title="ჟანგვის რიცხვი" data-language-autonym="ქართული" data-language-local-name="喬治亞文" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%A2%D0%BE%D1%82%D1%8B%D2%93%D1%83_%D0%B4%D3%99%D1%80%D0%B5%D0%B6%D0%B5%D1%81%D1%96" title="Тотығу дәрежесі – 哈薩克文" lang="kk" hreflang="kk" data-title="Тотығу дәрежесі" data-language-autonym="Қазақша" data-language-local-name="哈薩克文" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%82%B0%ED%99%94%EC%88%98" title="산화수 – 韓文" lang="ko" hreflang="ko" data-title="산화수" data-language-autonym="한국어" data-language-local-name="韓文" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Oksidacijos_laipsnis" title="Oksidacijos laipsnis – 立陶宛文" lang="lt" hreflang="lt" data-title="Oksidacijos laipsnis" data-language-autonym="Lietuvių" data-language-local-name="立陶宛文" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Oksid%C4%93%C5%A1anas_pak%C4%81pe" title="Oksidēšanas pakāpe – 拉脫維亞文" lang="lv" hreflang="lv" data-title="Oksidēšanas pakāpe" data-language-autonym="Latviešu" data-language-local-name="拉脫維亞文" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mdf mw-list-item"><a href="https://mdf.wikipedia.org/wiki/%D0%A8%D0%B0%D0%BF%D0%B0%D0%BC%D0%BE%D0%BC%D1%88%D0%BA%D0%B0%D1%81%D1%8C" title="Шапамомшкась – 莫克沙文" lang="mdf" hreflang="mdf" data-title="Шапамомшкась" data-language-autonym="Мокшень" data-language-local-name="莫克沙文" class="interlanguage-link-target"><span>Мокшень</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%9E%D0%BA%D1%81%D0%B8%D0%B4%D0%B0%D1%86%D0%B8%D0%BE%D0%BD%D0%B5%D0%BD_%D0%B1%D1%80%D0%BE%D1%98" title="Оксидационен број – 馬其頓文" lang="mk" hreflang="mk" data-title="Оксидационен број" data-language-autonym="Македонски" data-language-local-name="馬其頓文" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-mn mw-list-item"><a href="https://mn.wikipedia.org/wiki/%D0%98%D1%81%D1%8D%D0%BB%D0%B4%D1%8D%D0%BB%D1%82%D0%B8%D0%B9%D0%BD_%D0%B7%D1%8D%D1%80%D1%8D%D0%B3" title="Исэлдэлтийн зэрэг – 蒙古文" lang="mn" hreflang="mn" data-title="Исэлдэлтийн зэрэг" data-language-autonym="Монгол" data-language-local-name="蒙古文" class="interlanguage-link-target"><span>Монгол</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Keadaan_pengoksidaan" title="Keadaan pengoksidaan – 馬來文" lang="ms" hreflang="ms" data-title="Keadaan pengoksidaan" data-language-autonym="Bahasa Melayu" data-language-local-name="馬來文" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Oxidatschoonstall" title="Oxidatschoonstall – 低地德文" lang="nds" hreflang="nds" data-title="Oxidatschoonstall" data-language-autonym="Plattdüütsch" data-language-local-name="低地德文" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Oxidatietoestand" title="Oxidatietoestand – 荷蘭文" lang="nl" hreflang="nl" data-title="Oxidatietoestand" data-language-autonym="Nederlands" data-language-local-name="荷蘭文" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Oksidasjonstal" title="Oksidasjonstal – 耐諾斯克挪威文" lang="nn" hreflang="nn" data-title="Oksidasjonstal" data-language-autonym="Norsk nynorsk" data-language-local-name="耐諾斯克挪威文" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Oksidasjonstall" title="Oksidasjonstall – 巴克摩挪威文" lang="nb" hreflang="nb" data-title="Oksidasjonstall" data-language-autonym="Norsk bokmål" data-language-local-name="巴克摩挪威文" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%86%E0%A8%95%E0%A8%B8%E0%A9%80%E0%A8%95%E0%A8%B0%E0%A8%A8_%E0%A8%B8%E0%A9%B0%E0%A8%96%E0%A8%BF%E0%A8%86" title="ਆਕਸੀਕਰਨ ਸੰਖਿਆ – 旁遮普文" lang="pa" hreflang="pa" data-title="ਆਕਸੀਕਰਨ ਸੰਖਿਆ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="旁遮普文" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Stopie%C5%84_utlenienia" title="Stopień utlenienia – 波蘭文" lang="pl" hreflang="pl" data-title="Stopień utlenienia" data-language-autonym="Polski" data-language-local-name="波蘭文" 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/Estado_de_oxida%C3%A7%C3%A3o" title="Estado de oxidação – 葡萄牙文" lang="pt" hreflang="pt" data-title="Estado de oxidação" data-language-autonym="Português" data-language-local-name="葡萄牙文" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Num%C4%83r_de_oxidare" title="Număr de oxidare – 羅馬尼亞文" lang="ro" hreflang="ro" data-title="Număr de oxidare" data-language-autonym="Română" data-language-local-name="羅馬尼亞文" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D1%82%D0%B5%D0%BF%D0%B5%D0%BD%D1%8C_%D0%BE%D0%BA%D0%B8%D1%81%D0%BB%D0%B5%D0%BD%D0%B8%D1%8F" title="Степень окисления – 俄文" lang="ru" hreflang="ru" data-title="Степень окисления" data-language-autonym="Русский" data-language-local-name="俄文" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-se mw-list-item"><a href="https://se.wikipedia.org/wiki/Oksiderenlohku" title="Oksiderenlohku – 北方薩米文" lang="se" hreflang="se" data-title="Oksiderenlohku" data-language-autonym="Davvisámegiella" data-language-local-name="北方薩米文" class="interlanguage-link-target"><span>Davvisámegiella</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Oksidacioni_broj" title="Oksidacioni broj – 塞爾維亞克羅埃西亞文" lang="sh" hreflang="sh" data-title="Oksidacioni broj" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="塞爾維亞克羅埃西亞文" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Oxidation_state" title="Oxidation state – Simple English" lang="en-simple" hreflang="en-simple" data-title="Oxidation state" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Oxida%C4%8Dn%C3%A9_%C4%8D%C3%ADslo" title="Oxidačné číslo – 斯洛伐克文" lang="sk" hreflang="sk" data-title="Oxidačné číslo" data-language-autonym="Slovenčina" data-language-local-name="斯洛伐克文" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Oksidacijsko_stanje" title="Oksidacijsko stanje – 斯洛維尼亞文" lang="sl" hreflang="sl" data-title="Oksidacijsko stanje" data-language-autonym="Slovenščina" data-language-local-name="斯洛維尼亞文" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%9E%D0%BA%D1%81%D0%B8%D0%B4%D0%B0%D1%86%D0%B8%D0%BE%D0%BD%D0%BE_%D1%81%D1%82%D0%B0%D1%9A%D0%B5" title="Оксидационо стање – 塞爾維亞文" lang="sr" hreflang="sr" data-title="Оксидационо стање" data-language-autonym="Српски / srpski" data-language-local-name="塞爾維亞文" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Oxidationstal" title="Oxidationstal – 瑞典文" lang="sv" hreflang="sv" data-title="Oxidationstal" data-language-autonym="Svenska" data-language-local-name="瑞典文" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%86%E0%AE%95%E0%AF%8D%E0%AE%9A%E0%AE%BF%E0%AE%9A%E0%AE%A9%E0%AF%87%E0%AE%B1%E0%AF%8D%E0%AE%B1_%E0%AE%A8%E0%AE%BF%E0%AE%B2%E0%AF%88" title="ஆக்சிசனேற்ற நிலை – 坦米爾文" lang="ta" hreflang="ta" data-title="ஆக்சிசனேற்ற நிலை" data-language-autonym="தமிழ்" data-language-local-name="坦米爾文" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%AA%E0%B8%96%E0%B8%B2%E0%B8%99%E0%B8%B0%E0%B8%AD%E0%B8%AD%E0%B8%81%E0%B8%8B%E0%B8%B4%E0%B9%80%E0%B8%94%E0%B8%8A%E0%B8%B1%E0%B8%99" title="สถานะออกซิเดชัน – 泰文" lang="th" hreflang="th" data-title="สถานะออกซิเดชัน" data-language-autonym="ไทย" data-language-local-name="泰文" 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/Y%C3%BCkseltgenme_durumu" title="Yükseltgenme durumu – 土耳其文" lang="tr" hreflang="tr" data-title="Yükseltgenme durumu" data-language-autonym="Türkçe" data-language-local-name="土耳其文" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A1%D1%82%D1%83%D0%BF%D1%96%D0%BD%D1%8C_%D0%BE%D0%BA%D0%B8%D1%81%D0%BD%D0%B5%D0%BD%D0%BD%D1%8F" title="Ступінь окиснення – 烏克蘭文" lang="uk" hreflang="uk" data-title="Ступінь окиснення" data-language-autonym="Українська" data-language-local-name="烏克蘭文" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%AA%DA%A9%D8%B3%DB%8C%D8%AF%DB%8C_%D8%B9%D8%AF%D8%AF" title="تکسیدی عدد – 烏都文" lang="ur" hreflang="ur" data-title="تکسیدی عدد" data-language-autonym="اردو" data-language-local-name="烏都文" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Oksidlanish_darajasi" title="Oksidlanish darajasi – 烏茲別克文" lang="uz" hreflang="uz" data-title="Oksidlanish darajasi" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="烏茲別克文" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Tr%E1%BA%A1ng_th%C3%A1i_oxy_h%C3%B3a" title="Trạng thái oxy hóa – 越南文" lang="vi" hreflang="vi" data-title="Trạng thái oxy hóa" data-language-autonym="Tiếng Việt" data-language-local-name="越南文" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E6%B0%A7%E5%8C%96%E6%95%B0" title="氧化数 – 吳語" lang="wuu" hreflang="wuu" data-title="氧化数" data-language-autonym="吴语" data-language-local-name="吳語" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-xh mw-list-item"><a href="https://xh.wikipedia.org/wiki/I-oxidation_state" title="I-oxidation state – 科薩文" lang="xh" hreflang="xh" data-title="I-oxidation state" data-language-autonym="IsiXhosa" data-language-local-name="科薩文" class="interlanguage-link-target"><span>IsiXhosa</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E6%B0%A7%E5%8C%96%E6%95%B0" title="氧化数 – 中文" lang="zh" hreflang="zh" data-title="氧化数" data-language-autonym="中文" data-language-local-name="中文" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E6%B0%A7%E5%8C%96%E6%95%B8" title="氧化數 – 文言文" lang="lzh" hreflang="lzh" data-title="氧化數" data-language-autonym="文言" data-language-local-name="文言文" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Sng-h%C3%B2a-s%C3%B2%CD%98" title="Sng-hòa-sò͘ – 閩南語" lang="nan" hreflang="nan" data-title="Sng-hòa-sò͘" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="閩南語" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q484152#sitelinks-wikipedia" title="改跨語言拎" class="wbc-editpage">改拎</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="空間名"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%E6%B0%A7%E5%8C%96%E6%95%B8" 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vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">閱讀設定</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">移去側欄</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">收埋</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">出自維基百科，自由嘅百科全書</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="yue" dir="ltr"><div role="note" class="hatnote"><span typeof="mw:File"><a href="/wiki/Wikipedia:%E6%90%9E%E6%B8%85%E6%A5%9A" title="Wikipedia:搞清楚"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Confusion_grey.svg/24px-Confusion_grey.svg.png" decoding="async" width="24" height="18" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Confusion_grey.svg/36px-Confusion_grey.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fb/Confusion_grey.svg/48px-Confusion_grey.svg.png 2x" data-file-width="260" data-file-height="200" /></a></span>  <b>提示：</b>呢篇文講嘅唔係<b><a href="/wiki/%E5%8C%96%E5%90%88%E5%83%B9" title="化合價">化合價</a></b>。</div> <p><b>氧化數</b>（好多時候又混稱為<b>化合價</b>，初等化學就經常用呢種叫法，但實際上兩者概念唔同）係一個用來描述化合物入面原子嘅氧化程度嘅量。 </p><p>按照初等化學嘅觀點，一個化合物入面一個<a href="/wiki/%E5%8E%9F%E5%AD%90" title="原子">原子</a>嘅氧化數係正 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.33ex; height:1.676ex;" alt="{\displaystyle x}"></span>，表示佢喺構成嗰個<a href="/wiki/%E5%8C%96%E5%90%88%E7%89%A9" title="化合物">化合物</a>嘅時候失去咗 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.33ex; height:1.676ex;" alt="{\displaystyle x}"></span> 個電子，或者喺佢形成嘅共價化學鍵入面有 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.33ex; height:1.676ex;" alt="{\displaystyle x}"></span> 個電子偏離咗爾個原子。相反，如果一個化合物入面一個原子嘅氧化數係負 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.33ex; height:1.676ex;" alt="{\displaystyle x}"></span> 嘅話，表示佢喺構成嗰個<a href="/wiki/%E5%8C%96%E5%90%88%E7%89%A9" title="化合物">化合物</a>嘅時候得到咗 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.33ex; height:1.676ex;" alt="{\displaystyle x}"></span> 個電子，或者喺佢形成嘅共價化學鍵入面有 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle x}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>x</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle x}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/87f9e315fd7e2ba406057a97300593c4802b53e4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.33ex; height:1.676ex;" alt="{\displaystyle x}"></span> 個電子偏向爾個原子。根據規定，喺單質入面，原子嘅氧化數係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {0} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="bold">0</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {0} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/62e8c650763635a93ddc69768c3c0c100afe985d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.337ex; height:2.176ex;" alt="{\displaystyle \mathbf {0} }"></span>。 </p> <div class="mw-heading mw-heading2"><h2 id="編/判斷氧化數嘅規矩"><span id=".E7.B7.A8.2F.E5.88.A4.E6.96.B7.E6.B0.A7.E5.8C.96.E6.95.B8.E5.98.85.E8.A6.8F.E7.9F.A9"></span>編/判斷氧化數嘅規矩</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%E6%B0%A7%E5%8C%96%E6%95%B8&action=edit&section=1" title="編輯小節: 編/判斷氧化數嘅規矩"><span>編輯</span></a><span class="mw-editsection-bracket">]</span></span></div> <ol><li>元素嘅氧化數係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {0} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="bold">0</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {0} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/62e8c650763635a93ddc69768c3c0c100afe985d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.337ex; height:2.176ex;" alt="{\displaystyle \mathbf {0} }"></span></li> <li>任何一個原子嘅氧化數唔可以超過佢嘅<a href="/w/index.php?title=%E6%9C%80%E5%A4%96%E5%B1%A4%E9%9B%BB%E5%AD%90&action=edit&redlink=1" class="new" title="最外層電子 (無呢版)">最外層電子</a>嘅數目</li> <li>由剩係一個元素變成嘅簡單<a href="/wiki/%E9%9B%A2%E5%AD%90" title="離子">離子</a>嘅氧化數係嗰個離子嘅電荷數</li> <li><b>所有</b><a href="/wiki/%E9%B9%BC%E9%87%91%E5%B1%AC" title="鹼金屬">鹼金屬</a>喺佢哋嘅化合物裏面嘅氧化數都係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {+1} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mo mathvariant="bold">+</mo> <mn mathvariant="bold">1</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {+1} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f3a065492a12776e21856c98c972b127d9e83cdf" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:3.414ex; height:2.343ex;" alt="{\displaystyle \mathbf {+1} }"></span></li> <li><b>所有</b><a href="/wiki/%E9%B9%BC%E5%9C%9F%E9%87%91%E5%B1%AC" title="鹼土金屬">鹼土金屬</a>喺佢哋嘅化合物裏面嘅氧化數都係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {+2} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mo mathvariant="bold">+</mo> <mn mathvariant="bold">2</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {+2} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/04be146588852d819839222f048295bcd0e86468" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:3.414ex; height:2.343ex;" alt="{\displaystyle \mathbf {+2} }"></span></li> <li><a href="/wiki/%E6%B0%AB" title="氫">氫</a>喺化合物裏面嘅氧化數<b>通常</b>都係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {+1} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mo mathvariant="bold">+</mo> <mn mathvariant="bold">1</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {+1} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/f3a065492a12776e21856c98c972b127d9e83cdf" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.505ex; width:3.414ex; height:2.343ex;" alt="{\displaystyle \mathbf {+1} }"></span></li> <li><a href="/wiki/%E6%B0%9F" title="氟">氟</a>喺<b>所有</b>化合物裏面嘅氧化數都係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {-1} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mo mathvariant="bold">−</mo> <mn mathvariant="bold">1</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {-1} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8255b5fd634739e8072a849831864dcee7c021b0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.414ex; height:2.176ex;" alt="{\displaystyle \mathbf {-1} }"></span></li> <li><a href="/wiki/%E6%B0%AF" title="氯">氯</a>、<a href="/wiki/%E6%BA%B4" title="溴">溴</a>同埋<a href="/wiki/%E7%A2%98" title="碘">碘</a>喺化合物裏面嘅氧化數<b>通常</b>都係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {-1} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mo mathvariant="bold">−</mo> <mn mathvariant="bold">1</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {-1} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/8255b5fd634739e8072a849831864dcee7c021b0" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.414ex; height:2.176ex;" alt="{\displaystyle \mathbf {-1} }"></span></li> <li><a href="/wiki/%E6%B0%A7" title="氧">氧</a>喺化合物裏面嘅氧化數<b>通常</b>都係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {-2} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mo mathvariant="bold">−</mo> <mn mathvariant="bold">2</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {-2} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1c7b033fb99a9df2d5e77d9a670d38e8db304d5f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:3.414ex; height:2.176ex;" alt="{\displaystyle \mathbf {-2} }"></span></li> <li>喺一個化合物裏面所有構成元素嘅氧化數加埋之後<b>一定</b>係 <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \mathbf {0} }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mrow class="MJX-TeXAtom-ORD"> <mn mathvariant="bold">0</mn> </mrow> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \mathbf {0} }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/62e8c650763635a93ddc69768c3c0c100afe985d" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:1.337ex; height:2.176ex;" alt="{\displaystyle \mathbf {0} }"></span></li> <li>喺一個<a href="/w/index.php?title=%E5%A4%9A%E5%8E%9F%E5%AD%90%E9%9B%A2%E5%AD%90&action=edit&redlink=1" class="new" title="多原子離子 (無呢版)">多原子離子</a>裏面所有構成元素嘅氧化數加埋之後<b>一定</b>係嗰個離子嘅淨電荷數</li> <li>每一個元素組成唔同化合物嘅時候氧化數可以唔同</li></ol> <table class="metadata plainlinks stub" style="background: transparent;" role="presentation"><tbody><tr class="noresize"> <td><span typeof="mw:File"><a href="/wiki/File:Chem_template.svg" class="mw-file-description"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Chem_template.svg/35px-Chem_template.svg.png" decoding="async" width="35" height="35" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Chem_template.svg/53px-Chem_template.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/ac/Chem_template.svg/70px-Chem_template.svg.png 2x" data-file-width="400" data-file-height="400" /></a></span></td> <td><div class="notice metadata" id="stub" style="font-size: small;">呢篇同<a 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