{"id":258070,"date":"2025-07-17T21:20:01","date_gmt":"2025-07-17T21:20:01","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=258070"},"modified":"2025-07-17T21:20:04","modified_gmt":"2025-07-17T21:20:04","slug":"the-number-of-unpaired-electrons-present-in-a-magnesium-atom-is","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/17\/the-number-of-unpaired-electrons-present-in-a-magnesium-atom-is\/","title":{"rendered":"The number of unpaired electrons present in a magnesium atom is"},"content":{"rendered":"\n<p>The number of unpaired electrons present in a magnesium atom is<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-1-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>The correct answer is <strong>0<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<p>Magnesium (Mg) is an element in the second period and is located in Group 2 of the periodic table. It has an atomic number of 12, meaning it has 12 electrons in total in its neutral state.<\/p>\n\n\n\n<p>To determine the number of unpaired electrons, we need to write the electron configuration of magnesium:<\/p>\n\n\n\n<p><strong>Electron Configuration:<\/strong><br>1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>1s\u00b2:<\/strong> The first energy level contains 2 electrons in the s-orbital (fully paired).<\/li>\n\n\n\n<li><strong>2s\u00b2:<\/strong> The second energy level contains 2 electrons in the s-orbital (fully paired).<\/li>\n\n\n\n<li><strong>2p\u2076:<\/strong> The second energy level also contains 6 electrons in the p-orbital (fully paired).<\/li>\n\n\n\n<li><strong>3s\u00b2:<\/strong> The third energy level contains 2 electrons in the s-orbital (fully paired).<\/li>\n<\/ul>\n\n\n\n<p>In this configuration, all of the electrons are paired, meaning there are no unpaired electrons in a neutral magnesium atom. The 12 electrons are arranged in pairs within their respective orbitals.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Summary:<\/h3>\n\n\n\n<p>Magnesium, with its electron configuration of 1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2, has <strong>0 unpaired electrons<\/strong>. The electrons fill the available orbitals in a way that ensures they are paired, and no single electron is left unpaired in the outermost shell or any other shells.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/07\/learnexams-banner6-863.jpeg\" alt=\"\" class=\"wp-image-258071\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>The number of unpaired electrons present in a magnesium atom is The Correct Answer and Explanation is: The correct answer is 0. Explanation: Magnesium (Mg) is an element in the second period and is located in Group 2 of the periodic table. It has an atomic number of 12, meaning it has 12 electrons in [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-258070","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/258070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=258070"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/258070\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=258070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=258070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=258070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}