{"id":238018,"date":"2025-06-17T19:24:41","date_gmt":"2025-06-17T19:24:41","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=238018"},"modified":"2025-06-17T19:24:43","modified_gmt":"2025-06-17T19:24:43","slug":"write-the-complete-ground-state-electron-configuration-of-mn4","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/17\/write-the-complete-ground-state-electron-configuration-of-mn4\/","title":{"rendered":"Write the complete ground-state electron configuration of Mn^4+."},"content":{"rendered":"\n<p>Write the complete ground-state electron configuration of Mn^4+.<\/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><strong>Correct Answer:<\/strong><br>The ground-state electron configuration of <strong>Mn\u2074\u207a<\/strong> is:<br><strong>[Ar] 3d\u00b3<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Explanation <\/strong><\/p>\n\n\n\n<p>To determine the ground-state electron configuration of Mn\u2074\u207a, we begin with the neutral manganese (Mn) atom. Manganese has an atomic number of 25, meaning it contains 25 electrons in its neutral state. The electron configuration for neutral Mn is:<\/p>\n\n\n\n<p><strong>Mn: 1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2 3p\u2076 4s\u00b2 3d\u2075<\/strong>,<br>or using noble gas notation:<br><strong>[Ar] 4s\u00b2 3d\u2075<\/strong><\/p>\n\n\n\n<p>When manganese loses electrons to form a positive ion (Mn\u2074\u207a), it loses a total of 4 electrons. The removal of electrons follows a specific order. Electrons are removed from the outermost shell first. This means that the 4s electrons are removed before the 3d electrons.<\/p>\n\n\n\n<p>So, the electron removal process for Mn\u2074\u207a proceeds as follows:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Remove 2 electrons from 4s\u00b2 \u2192 becomes <strong>4s\u2070<\/strong><\/li>\n\n\n\n<li>Remove 2 electrons from 3d\u2075 \u2192 becomes <strong>3d\u00b3<\/strong><\/li>\n<\/ol>\n\n\n\n<p>This results in the configuration:<br><strong>[Ar] 3d\u00b3<\/strong><\/p>\n\n\n\n<p>This is the ground-state configuration of the Mn\u2074\u207a ion.<\/p>\n\n\n\n<p>The reason the 4s electrons are removed before the 3d electrons is due to energy levels. Although the 4s orbital is filled before the 3d orbital in a neutral atom, once filled, the 4s electrons are higher in energy and are therefore more easily removed during ionization. This pattern is common among transition metals.<\/p>\n\n\n\n<p>Manganese in the +4 oxidation state is relatively uncommon but can be found in certain compounds, such as manganese dioxide (MnO\u2082), where Mn has a +4 charge. In these cases, Mn\u2074\u207a plays an important role in redox reactions and catalytic cycles, particularly in environmental and biological systems.<\/p>\n\n\n\n<p>Understanding electron configurations of ions helps predict chemical behavior, bonding, and reactivity.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/06\/learnexams-banner8-967.jpeg\" alt=\"\" class=\"wp-image-238019\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Write the complete ground-state electron configuration of Mn^4+. The Correct Answer and Explanation is: Correct Answer:The ground-state electron configuration of Mn\u2074\u207a is:[Ar] 3d\u00b3 Explanation To determine the ground-state electron configuration of Mn\u2074\u207a, we begin with the neutral manganese (Mn) atom. Manganese has an atomic number of 25, meaning it contains 25 electrons in its neutral [&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-238018","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/238018","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=238018"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/238018\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=238018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=238018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=238018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}