{"id":197738,"date":"2025-03-07T15:14:53","date_gmt":"2025-03-07T15:14:53","guid":{"rendered":"https:\/\/learnexams.com\/blog\/?p=197738"},"modified":"2025-03-07T15:14:56","modified_gmt":"2025-03-07T15:14:56","slug":"draw-a-lewis-structure-for-each-of-the-following-ionic-compounds","status":"publish","type":"post","link":"https:\/\/www.learnexams.com\/blog\/2025\/03\/07\/draw-a-lewis-structure-for-each-of-the-following-ionic-compounds\/","title":{"rendered":"Draw a Lewis structure for each of the following ionic compounds"},"content":{"rendered":"\n<p>Draw a Lewis structure for each of the following ionic compounds. What chemical formula does Lewis theory predict? <\/p>\n\n\n\n<p>a. sodium fluoride <\/p>\n\n\n\n<p>b. calcium chloride <\/p>\n\n\n\n<p>c. calcium oxide <\/p>\n\n\n\n<p>d. aluminum chloride<\/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<h3 class=\"wp-block-heading\"><strong>Lewis Structure and Chemical Formula for Ionic Compounds<\/strong><\/h3>\n\n\n\n<p>The Lewis theory of bonding involves the transfer of electrons between atoms to form stable ions. Ionic compounds are formed when electrons are transferred from one atom to another, creating positively charged cations and negatively charged anions. Let&#8217;s draw the Lewis structures for each of the following ionic compounds and explain the expected chemical formulas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>a. Sodium Fluoride (NaF)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lewis structure:<\/strong><\/li>\n\n\n\n<li>Sodium (Na) has 1 valence electron in its outer shell, and fluorine (F) has 7 valence electrons.<\/li>\n\n\n\n<li>Sodium loses its 1 electron to become Na\u207a, while fluorine gains that electron to become F\u207b.<\/li>\n\n\n\n<li>The resulting ionic bond is formed by the electrostatic attraction between Na\u207a and F\u207b.<\/li>\n\n\n\n<li><strong>Chemical formula predicted by Lewis theory:<\/strong><\/li>\n\n\n\n<li>Since Na donates 1 electron and F accepts 1 electron, the formula for sodium fluoride is <strong>NaF<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>b. Calcium Chloride (CaCl\u2082)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lewis structure:<\/strong><\/li>\n\n\n\n<li>Calcium (Ca) has 2 valence electrons, while chlorine (Cl) has 7 valence electrons.<\/li>\n\n\n\n<li>Calcium donates its 2 electrons to two chlorine atoms. Each chlorine atom gains 1 electron to become Cl\u207b.<\/li>\n\n\n\n<li>The resulting ionic bonds are between Ca\u00b2\u207a and two Cl\u207b ions.<\/li>\n\n\n\n<li><strong>Chemical formula predicted by Lewis theory:<\/strong><\/li>\n\n\n\n<li>Calcium forms a Ca\u00b2\u207a ion, and each chlorine forms a Cl\u207b ion. Since two chloride ions are needed to balance the 2+ charge of calcium, the formula is <strong>CaCl\u2082<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>c. Calcium Oxide (CaO)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lewis structure:<\/strong><\/li>\n\n\n\n<li>Calcium (Ca) has 2 valence electrons, and oxygen (O) has 6 valence electrons.<\/li>\n\n\n\n<li>Calcium donates its 2 electrons to oxygen. Oxygen gains 2 electrons to form O\u00b2\u207b.<\/li>\n\n\n\n<li>The ionic bond is between Ca\u00b2\u207a and O\u00b2\u207b.<\/li>\n\n\n\n<li><strong>Chemical formula predicted by Lewis theory:<\/strong><\/li>\n\n\n\n<li>The formula for calcium oxide is <strong>CaO<\/strong>, as one Ca\u00b2\u207a ion and one O\u00b2\u207b ion are needed to balance the charges.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>d. Aluminum Chloride (AlCl\u2083)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Lewis structure:<\/strong><\/li>\n\n\n\n<li>Aluminum (Al) has 3 valence electrons, and chlorine (Cl) has 7 valence electrons.<\/li>\n\n\n\n<li>Aluminum donates its 3 electrons to 3 chlorine atoms. Each chlorine atom gains 1 electron to become Cl\u207b.<\/li>\n\n\n\n<li>The ionic bonds are formed between Al\u00b3\u207a and 3 Cl\u207b ions.<\/li>\n\n\n\n<li><strong>Chemical formula predicted by Lewis theory:<\/strong><\/li>\n\n\n\n<li>The formula for aluminum chloride is <strong>AlCl\u2083<\/strong>, as one Al\u00b3\u207a ion is paired with three Cl\u207b ions to balance the charges.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Conclusion<\/strong><\/h3>\n\n\n\n<p>The Lewis theory of bonding predicts the following chemical formulas for the given ionic compounds:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Sodium fluoride: <strong>NaF<\/strong><\/li>\n\n\n\n<li>Calcium chloride: <strong>CaCl\u2082<\/strong><\/li>\n\n\n\n<li>Calcium oxide: <strong>CaO<\/strong><\/li>\n\n\n\n<li>Aluminum chloride: <strong>AlCl\u2083<\/strong><\/li>\n<\/ul>\n\n\n\n<p>These formulas reflect the electron transfer and resulting ionic charges based on the number of valence electrons in each atom.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/learnexams.com\/blog\/wp-content\/uploads\/2025\/03\/image-553.png\" alt=\"\" class=\"wp-image-197739\"\/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Draw a Lewis structure for each of the following ionic compounds. What chemical formula does Lewis theory predict? a. sodium fluoride b. calcium chloride c. calcium oxide d. aluminum chloride The correct answer and explanation is : Lewis Structure and Chemical Formula for Ionic Compounds The Lewis theory of bonding involves the transfer of electrons [&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-197738","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/197738","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=197738"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/197738\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=197738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=197738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=197738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}