{"id":162547,"date":"2024-11-06T20:13:47","date_gmt":"2024-11-06T20:13:47","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=162547"},"modified":"2024-11-06T20:13:49","modified_gmt":"2024-11-06T20:13:49","slug":"monatomic-ion-with-a-charge-of-2-has-an-electronic-configuration-of-1s22s22p63s23p6","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2024\/11\/06\/monatomic-ion-with-a-charge-of-2-has-an-electronic-configuration-of-1s22s22p63s23p6\/","title":{"rendered":"monatomic ion with a charge of +2 has an electronic configuration of 1s22s22p63s23p6"},"content":{"rendered":"\n<p>monatomic ion with a charge of +2 has an electronic configuration of 1s22s22p63s23p6. This ion is a(n) . What is the chemical symbol of the noble gas this ion is isoelectronic with? . What is the formula of the ion?<\/p>\n\n\n\n<p><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\"><strong>The Correct Answer and Explanation is :<\/strong><\/mark><\/p>\n\n\n\n<p>The ion with an electronic configuration of <strong>1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2 3p\u2076<\/strong> is a <strong>monatomic ion with a +2 charge<\/strong>. To analyze this further:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Determining the Identity of the Ion<\/h3>\n\n\n\n<p>The electronic configuration <strong>1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2 3p\u2076<\/strong> corresponds to a neutral atom of <strong>argon (Ar)<\/strong>, which has an atomic number of <strong>18<\/strong>. Argon\u2019s electron configuration is <strong>[Ne] 3s\u00b2 3p\u2076<\/strong>, indicating that it has a total of 18 electrons.<\/p>\n\n\n\n<p>When the ion has a charge of <strong>+2<\/strong>, it has lost two electrons, meaning it originally had 20 electrons but now has only 18 electrons. Therefore, the ion is <strong>Ca\u00b2\u207a<\/strong>, which is the <strong>calcium ion<\/strong> with a <strong>+2 charge<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Isoelectronic Noble Gas<\/h3>\n\n\n\n<p>The <strong>Ca\u00b2\u207a<\/strong> ion, having the same electron configuration as neutral argon (1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2 3p\u2076), is <strong>isoelectronic with argon (Ar)<\/strong>. Isoelectronic means that the ion has the same number of electrons as the noble gas, <strong>argon<\/strong>, in this case.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Formula of the Ion<\/h3>\n\n\n\n<p>The formula of the ion is <strong>Ca\u00b2\u207a<\/strong>. This is because calcium (Ca) in its neutral state has 20 electrons (atomic number 20). When it loses two electrons to form a <strong>+2<\/strong> charge, it becomes <strong>Ca\u00b2\u207a<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Calcium (Ca)<\/strong>, a metal, commonly forms a <strong>+2<\/strong> cation by losing its two outermost electrons (in the 4s orbital), achieving a stable electron configuration resembling that of a noble gas.<\/li>\n\n\n\n<li>Noble gases have full electron shells, making them stable and non-reactive. In this case, the loss of two electrons from <strong>Ca<\/strong> results in a configuration identical to <strong>argon<\/strong>, which is a stable noble gas. Hence, <strong>Ca\u00b2\u207a<\/strong> is isoelectronic with <strong>argon (Ar)<\/strong>, having the same electron configuration of <strong>1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2 3p\u2076<\/strong>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>monatomic ion with a charge of +2 has an electronic configuration of 1s22s22p63s23p6. This ion is a(n) . What is the chemical symbol of the noble gas this ion is isoelectronic with? . What is the formula of the ion? The Correct Answer and Explanation is : The ion with an electronic configuration of 1s\u00b2 [&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-162547","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/162547","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=162547"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/162547\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=162547"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=162547"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=162547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}