{"id":7166,"date":"2023-03-10T20:00:17","date_gmt":"2023-03-10T14:30:17","guid":{"rendered":"https:\/\/physicscatalyst.com\/article\/?p=7166"},"modified":"2023-03-10T20:00:21","modified_gmt":"2023-03-10T14:30:21","slug":"electron-configuration-calcium","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/article\/electron-configuration-calcium\/","title":{"rendered":"Electron configuration of calcium"},"content":{"rendered":"\n<p>Calcium is denoted by the letter &#8220;Ca&#8221; and its atomic number is 20. The number of electrons in Calcium is 20.  We will checking about electron configuration of calcium<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">The electron configuration of calcium<\/h2>\n\n\n\n<p>Electron configuration is the arrangement of electrons in different orbitals of an atom. It is obtained as per the below rules<\/p>\n\n\n\n<p>(a) As per the Aufbau rule or Principle, the orbitals are filled in increasing order of their energies.<br>1s, 2s ,2p, 3s ,3p ,4s ,3d ,4p, 5s,4d,5p,4f,5d,6p<br>(b) There can be a maximum of two electrons in the orbital<br>(c) the pairing of electrons in the orbitals belonging to the same subshell [ p, d, f], does not take place until each orbital gets singly occupied<\/p>\n\n\n\n<p>Based on the above rules, The electronic configuration of Calcium is given by<\/p>\n\n\n\n<p>1s<sup>2<\/sup>&nbsp;, 2s<sup>2<\/sup>, 2p<sup>6<\/sup>,3s<sup>2<\/sup>,3p<sup>6<\/sup>,4s<sup>2<\/sup><\/p>\n\n\n\n<p>or<\/p>\n\n\n\n<p>2, 8,8,2<\/p>\n\n\n\n<p>So it is not like 2,8,10 or 2,8,9,1 as you might think<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/physicscatalyst.com\/article\/wp-content\/uploads\/2022\/05\/electron-configuration-of-calcium.png\"><img loading=\"lazy\" decoding=\"async\" width=\"552\" height=\"291\" src=\"https:\/\/physicscatalyst.com\/article\/wp-content\/uploads\/2022\/05\/electron-configuration-of-calcium.png\" alt=\"Electron configuration of calcium\" class=\"wp-image-7167\"\/><\/a><\/figure>\n\n\n\n<p>we can write the electron configuration in the orbital diagram as below<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/physicscatalyst.com\/article\/wp-content\/uploads\/2022\/05\/orbital-diagram-of-calcium.png\"><img loading=\"lazy\" decoding=\"async\" width=\"797\" height=\"230\" src=\"https:\/\/physicscatalyst.com\/article\/wp-content\/uploads\/2022\/05\/orbital-diagram-of-calcium.png\" alt=\"\" class=\"wp-image-7168\"\/><\/a><\/figure>\n\n\n\n<p>Sometimes, we can write the electron configuration in short form as<\/p>\n\n\n\n<p>[Ar]  4s<sup>2<\/sup>  <\/p>\n\n\n\n<p>Where [Ar] stands for electron configuration of Argon i.e 1s<sup>2<\/sup>&nbsp;, 2s<sup>2<\/sup>, 2p<sup>6<\/sup>,3s<sup>2<\/sup>,3p<sup>6<\/sup><\/p>\n\n\n\n<p>I hope you like this article  on Electron configuration of calcium<\/p>\n\n\n\n<p><strong>Related Articles<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/physicscatalyst.com\/article\/electron-configuration-oxygen\/\">Electron configuration of oxygen<\/a><br><a href=\"https:\/\/physicscatalyst.com\/article\/electron-configuration-sodium\/\">Electron configuration of sodium<\/a><br><a href=\"https:\/\/physicscatalyst.com\/chemistry\/electron-configuration.php\">Electronic Configuration<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Calcium is denoted by the letter &#8220;Ca&#8221; and its atomic number is 20. The number of electrons in Calcium is 20. We will checking about electron configuration of calcium The electron configuration of calcium Electron configuration is the arrangement of electrons in different orbitals of an atom. It is obtained as per the below rules [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","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":"","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":[499],"tags":[],"class_list":["post-7166","post","type-post","status-publish","format-standard","hentry","category-chemistry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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The number of electrons in Calcium is 20. We will checking about electron configuration of calcium The electron configuration of calcium Electron configuration is the arrangement of electrons in different orbitals of an atom. It is obtained as per the below rules&hellip;","_links":{"self":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts\/7166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/comments?post=7166"}],"version-history":[{"count":3,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts\/7166\/revisions"}],"predecessor-version":[{"id":8583,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/posts\/7166\/revisions\/8583"}],"wp:attachment":[{"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/media?parent=7166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/categories?post=7166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/physicscatalyst.com\/article\/wp-json\/wp\/v2\/tags?post=7166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}