{"id":255845,"date":"2025-07-13T10:22:58","date_gmt":"2025-07-13T10:22:58","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=255845"},"modified":"2025-07-13T10:23:00","modified_gmt":"2025-07-13T10:23:00","slug":"how-many-electrons-and-neutrons-are-in-francium","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/07\/13\/how-many-electrons-and-neutrons-are-in-francium\/","title":{"rendered":"How many electrons and neutrons are in Francium"},"content":{"rendered":"\n<p>How many electrons and neutrons are in Francium (Fr) (1 Point) 87 electrons, 136 neutrons 87 protons, 135 neutrons 88 electrons, 223 neutrons 87 electrons, 223 neutrons<\/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>87 electrons, 136 neutrons<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation:<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Electrons<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Francium (Fr) has an atomic number of 87, which means it has <strong>87 protons<\/strong> in its nucleus.<\/li>\n\n\n\n<li>In a neutral atom, the number of electrons is equal to the number of protons. Therefore, <strong>Francium has 87 electrons<\/strong>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Neutrons<\/strong>:\n<ul class=\"wp-block-list\">\n<li>The number of neutrons in an atom is calculated using the formula: Neutrons=Mass\u00a0number\u2212Atomic\u00a0number\\text{Neutrons} = \\text{Mass number} &#8211; \\text{Atomic number}Neutrons=Mass\u00a0number\u2212Atomic\u00a0number<\/li>\n\n\n\n<li>The <strong>mass number<\/strong> of Francium is <strong>223<\/strong>, which is the total number of protons and neutrons in the nucleus.<\/li>\n\n\n\n<li>Therefore, the number of neutrons in Francium is: Neutrons=223\u221287=136\\text{Neutrons} = 223 &#8211; 87 = 136Neutrons=223\u221287=136<\/li>\n\n\n\n<li>So, Francium has <strong>136 neutrons<\/strong>.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Summary:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Francium has <strong>87 electrons<\/strong> (equal to the atomic number).<\/li>\n\n\n\n<li>Francium has <strong>136 neutrons<\/strong>, calculated by subtracting the atomic number from the mass number (223 &#8211; 87).<\/li>\n<\/ul>\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-banner6-506.jpeg\" alt=\"\" class=\"wp-image-255846\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>How many electrons and neutrons are in Francium (Fr) (1 Point) 87 electrons, 136 neutrons 87 protons, 135 neutrons 88 electrons, 223 neutrons 87 electrons, 223 neutrons The Correct Answer and Explanation is: The correct answer is: 87 electrons, 136 neutrons. Explanation: Summary:<\/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-255845","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/255845","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=255845"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/255845\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=255845"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=255845"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=255845"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}