{"id":230743,"date":"2025-06-10T04:33:13","date_gmt":"2025-06-10T04:33:13","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=230743"},"modified":"2025-06-10T04:33:16","modified_gmt":"2025-06-10T04:33:16","slug":"a-lithium-atom-consists-of-3-protons-4-neutrons-and-3-electrons","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/06\/10\/a-lithium-atom-consists-of-3-protons-4-neutrons-and-3-electrons\/","title":{"rendered":"A lithium atom consists of 3 protons, 4 neutrons, and 3 electrons"},"content":{"rendered":"\n<p>A lithium atom consists of 3 protons, 4 neutrons, and 3 electrons. This atom contains a total of<\/p>\n\n\n\n<p><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-ast-global-color-0-color\">The Correct Answer and Explanation is:<\/mark><\/strong><\/p>\n\n\n\n<p>A lithium atom consists of <strong>3 protons, 4 neutrons, and 3 electrons<\/strong>, which adds up to a total of <strong>10 subatomic particles<\/strong>.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Explanation<\/h3>\n\n\n\n<p>Atoms are the basic units of matter, and they are composed of three main types of subatomic particles: <strong>protons<\/strong>, <strong>neutrons<\/strong>, and <strong>electrons<\/strong>.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Protons<\/strong> are positively charged particles located in the nucleus (the center) of the atom. They determine the atomic number and thus the identity of the element. Lithium has an atomic number of 3, meaning it has <strong>3 protons<\/strong> in its nucleus.<\/li>\n\n\n\n<li><strong>Neutrons<\/strong> are neutral particles (they have no charge) that also reside in the nucleus. They add mass to the atom and help stabilize the nucleus by offsetting the repulsion between positively charged protons. In this case, the lithium atom has <strong>4 neutrons<\/strong>.<\/li>\n\n\n\n<li><strong>Electrons<\/strong> are negatively charged particles that orbit the nucleus in regions called electron shells or energy levels. In a neutral atom, the number of electrons equals the number of protons to balance the overall charge. Since this lithium atom is neutral, it has <strong>3 electrons<\/strong>.<\/li>\n<\/ol>\n\n\n\n<p>To find the <strong>total number of subatomic particles<\/strong> in this lithium atom, we simply add the number of each type:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Protons: 3<\/li>\n\n\n\n<li>Neutrons: 4<\/li>\n\n\n\n<li>Electrons: 3<\/li>\n<\/ul>\n\n\n\n<p><strong>Total = 3 + 4 + 3 = 10 subatomic particles<\/strong><\/p>\n\n\n\n<p>It is important to note that this total refers to the count of subatomic particles, not the atomic mass or charge. The <strong>mass number<\/strong> (the sum of protons and neutrons) for this lithium atom is <strong>7<\/strong> (3 + 4), which helps distinguish isotopes. In this case, the isotope is lithium-7, the most stable and naturally abundant form.<\/p>\n\n\n\n<p>Understanding subatomic composition is essential in chemistry and physics, as it affects an atom\u2019s properties, behavior in chemical reactions, and its place on the periodic table<\/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-banner10-93.jpeg\" alt=\"\" class=\"wp-image-230744\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>A lithium atom consists of 3 protons, 4 neutrons, and 3 electrons. This atom contains a total of The Correct Answer and Explanation is: A lithium atom consists of 3 protons, 4 neutrons, and 3 electrons, which adds up to a total of 10 subatomic particles. Explanation Atoms are the basic units of matter, and [&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-230743","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/230743","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=230743"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/230743\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=230743"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=230743"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=230743"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}