{"id":265411,"date":"2025-07-21T20:58:19","date_gmt":"2025-07-21T20:58:19","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=265411"},"modified":"2025-07-21T20:58:21","modified_gmt":"2025-07-21T20:58:21","slug":"what-do-magnesium-and-barium-have-in-common","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/21\/what-do-magnesium-and-barium-have-in-common\/","title":{"rendered":"What do Magnesium and Barium have in common"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">What do Magnesium and Barium have in common? <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A) They have the same number of electron shells <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B) They have the same number of protons <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C) They have the same number of valence electrons <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D) They have the same atomic mass<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-6-color\">The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The correct answer is <strong>C) They have the same number of valence electrons<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Magnesium (Mg) and Barium (Ba) are both alkaline earth metals, meaning they belong to Group 2 of the periodic table. Elements in the same group share similar chemical properties due to their similar electron configurations, especially their number of valence electrons.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Valence electrons are the electrons found in the outermost electron shell of an atom, and they are crucial for determining how an element reacts with other substances. Both magnesium and barium have two valence electrons. This is because magnesium has an atomic number of 12, with its electron configuration being 1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2, while barium has an atomic number of 56, with its electron configuration being 1s\u00b2 2s\u00b2 2p\u2076 3s\u00b2 3p\u2076 4s\u00b2 4d\u00b9\u2070 5s\u00b2.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Although they both have two valence electrons, the number of electron shells (energy levels) increases as we move down the group. Magnesium has three electron shells, whereas barium has six. This means that while their valence electrons behave similarly in terms of reactivity, the atoms themselves differ in size and energy levels.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Regarding the other options:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A) They have the same number of electron shells<\/strong>: This is incorrect because magnesium has three electron shells, while barium has six.<\/li>\n\n\n\n<li><strong>B) They have the same number of protons<\/strong>: This is incorrect because magnesium has 12 protons and barium has 56 protons, so they are different elements.<\/li>\n\n\n\n<li><strong>D) They have the same atomic mass<\/strong>: This is incorrect because magnesium has an atomic mass of approximately 24.305 u, while barium has an atomic mass of approximately 137.33 u.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Thus, the correct characteristic they share is the number of valence electrons.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What do Magnesium and Barium have in common? A) They have the same number of electron shells B) They have the same number of protons C) They have the same number of valence electrons D) They have the same atomic mass The correct answer and explanation is: The correct answer is C) They have the [&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-265411","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/265411","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=265411"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/265411\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=265411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=265411"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=265411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}