{"id":2418,"date":"2022-12-13T11:10:59","date_gmt":"2022-12-13T05:40:59","guid":{"rendered":"https:\/\/www.tutoroot.com\/blog\/?p=2418"},"modified":"2024-12-26T16:47:31","modified_gmt":"2024-12-26T11:17:31","slug":"how-can-you-master-the-valency-chart-a-complete-guide","status":"publish","type":"post","link":"https:\/\/www.tutoroot.com\/blog\/how-can-you-master-the-valency-chart-a-complete-guide\/","title":{"rendered":"How Can You Master the Valency Chart? A Complete Guide"},"content":{"rendered":"<p><img loading=\"lazy\" class=\" wp-image-2419 aligncenter\" src=\"https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2022\/12\/Valency-Chart-300x139.jpg\" alt=\"Complete Guide to learning Valency Chart\" width=\"1148\" height=\"532\" srcset=\"https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2022\/12\/Valency-Chart-300x139.jpg 300w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2022\/12\/Valency-Chart-1024x474.jpg 1024w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2022\/12\/Valency-Chart-768x356.jpg 768w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2022\/12\/Valency-Chart-1536x711.jpg 1536w, https:\/\/www.tutoroot.com\/blog\/wp-content\/uploads\/2022\/12\/Valency-Chart-2048x948.jpg 2048w\" sizes=\"(max-width: 1148px) 100vw, 1148px\" \/><\/p>\n<p>Do you know how chemical formulas are calculated for each element? For example, have you ever wondered why the carbon dioxide formula is represented as\u00a0 CO2\u00a0 and not as \u201c COO<strong> \u201c<\/strong>? All these questions can be answered by a Valency Chart.<\/p>\n<p>Let\u2019s see how we can learn most of the valency chart through the following topics.<\/p>\n<ul>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-contrast=\"auto\">Valency Chart<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-contrast=\"auto\">Oxidation State<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-contrast=\"auto\">Valency and Oxidation State relationship<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<li data-leveltext=\"\uf0b7\" data-font=\"Symbol\" data-listid=\"2\" data-list-defn-props=\"{&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\uf0b7&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-contrast=\"auto\">Examples of Valency<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/li>\n<\/ul>\n<p>Before we step into understanding the valency chart, let us first get oriented with the valency<\/p>\n<h2><b><span data-contrast=\"auto\">What is Valency &amp; How to Determine Valency Chart?<\/span><\/b><\/h2>\n<p>To stabilize the addition between atoms of two different elements, the measuring capacity of atoms in the elements must be calculated, which is defined as Valency. For example, if atoms in the outermost orbital levels are not stable, they either break or add more atoms to stabilize themselves to gain sufficient energy from outside. Moreover, the chart that consists of the individual valency of all the different elements in the periodic table is called a Valency Chart of all elements.<\/p>\n<p>Valency thus denotes the combination of the power of an element or radical. The valency chart lists out the valencies of the element. Valency always shows itself as a whole number and is used to chart the chemical formula of a compound. Through valency, we understand the way the atoms of one element combine with those of others.<\/p>\n<h2><b><span data-contrast=\"auto\">What is the Oxidation State?<\/span><\/b><\/h2>\n<p>Now, let\u2019s talk about what Oxidation State is. As mentioned before, when atoms from different elements are added together, then depending on the element and its atomic number, it will lose or gain atoms to form a chemical bond. This process is called the Oxidation State.<\/p>\n<h2><b><span data-contrast=\"auto\">Difference Between Oxidation State and Valency<\/span><\/b><\/h2>\n<p>Now that we have a good idea about the Oxidation State and Valency of elements as part of our learning of valency chart, let us discuss briefly the multiple differences between Valency and Oxidation States.<\/p>\n<table style=\"height: 435px;\" width=\"665\" data-tablestyle=\"MsoTableGrid\" data-tablelook=\"1696\" aria-rowcount=\"5\">\n<tbody>\n<tr aria-rowindex=\"1\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Parameters<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Valency\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Oxidation State<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"2\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Definition<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">The maximum no of electrons an atom loses or gains to stabilize itself.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:6,&quot;335551620&quot;:6,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">While oxidation is a state that is defined as the no of electrons an atom loses or gains to form a bond with a different atom.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"3\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Representation<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">It is generally represented using a numerical value.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">It is represented using Roman Numbers.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"4\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Calculation<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">It is calculated with the help of the electronic configuration of the said element.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Whereas the Oxidation number is calculated with the help of the overall charge of a coordination complex, and ligands.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"5\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Electric Charge<\/span><span data-ccp-props=\"{&quot;134233117&quot;:false,&quot;134233118&quot;:false,&quot;201341983&quot;:0,&quot;335551550&quot;:1,&quot;335551620&quot;:1,&quot;335559685&quot;:0,&quot;335559737&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Through valency, electric charge cannot be found.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">While oxidation the electric charge is found.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b><span data-contrast=\"auto\">Valency of Various Elements<\/span><\/b><\/h2>\n<p>As explained before, the valency of elements usually varies due to different periodic trends in oxidation states, such as <a href=\"https:\/\/www.tutoroot.com\/blog\/what-are-oxidation-reaction-and-reduction-reaction\/\"><strong>Oxidation State<\/strong><\/a> Variation over time, within a group, etc.<\/p>\n<p>Please find below the valency chart of elements<\/p>\n<table style=\"height: 1448px;\" width=\"676\" data-tablestyle=\"MsoTableGrid\" data-tablelook=\"1696\" aria-rowcount=\"31\">\n<tbody>\n<tr aria-rowindex=\"1\">\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Element\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Atomic Number<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Valency\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><b><span data-contrast=\"auto\">Oxidation State<\/span><\/b><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335551550&quot;:2,&quot;335551620&quot;:2,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"2\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Hydrogen\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,0,-1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"3\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Helium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">No Oxidation<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"4\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Lithium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"5\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Beryllium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"6\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Boron<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">5<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,0,-1,-3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"7\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Carbon<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">6<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,0,-1,-2,-3,-4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"8\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Nitrogen<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">7<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,0,-1,-2,-3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"9\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Oxygen<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">8<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,0,-1,-2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"10\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Fluorine<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">9<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">-1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"11\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Neon<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">10<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"12\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Sodium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">11<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,-1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"13\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Magnesium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">12<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"14\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Aluminium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">13<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">-1,-2,+1,+2,+3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"15\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Silicon<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">14<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,-1,-2,-3,-4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"16\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Phosphorus<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">15<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,0,-1,-2,-3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"17\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Sulphur<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">16<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,+6,0,-1,-2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"18\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Chlorine<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">17<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,+6,+7,0,-1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"19\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Argon<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">18<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"20\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Potassium\u00a0<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">19<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,-1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"21\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Calcium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">20<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"22\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Scandium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">21<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"23\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Titanium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">22<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+,+2,+3,+4,-1,-2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"24\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Vanadium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">23<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">5,4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,-1,-3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"25\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Chromium<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">24<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,+6,-1,-2,-4<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"26\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Manganese<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">25<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">7,4,3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,+6,+7,-1,-2,-3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"27\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Iron<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">26<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2,3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,+6,-1,-2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"28\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Cobalt<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">27<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">3,2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,+5,-1,-3<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"29\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Nickel<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">28<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,-1,-2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"30\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Copper<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">29<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">2,1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,+3,+4,-2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<tr aria-rowindex=\"31\">\n<td data-celllook=\"0\"><span data-contrast=\"auto\">Zinc<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">30<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">1<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<td data-celllook=\"0\"><span data-contrast=\"auto\">+1,+2,-2<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559740&quot;:259}\">\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><strong>Valency of elements \u2013 Examples of valency<\/strong><\/h3>\n<p>Let us learn about the valency of various elements and know how to find the valency of elements. Below are the values that serve as examples of valency concerning certain elements.<\/p>\n<ul>\n<li><strong>Nitrogen<\/strong> \u2013 Nitrogen with atomic number 7 and an electronic configuration of 2, 5. So makes it obvious that it has 5 electrons located in its outermost shell. It needs 3 more to complete its octet and attain stability. Therefore, the valency of nitrogen is 3.<\/li>\n<li><strong>Sodium<\/strong> \u2013With atomic number 11 and electronic configuration, 2,8,1 sodium has to shed one electron and attain stability by completing its octet. Hence, its valency is 1.<\/li>\n<li><strong>Copper<\/strong> \u2013 Copper, a transition element denotes variable valences, two valences 1 and 2. If copper shows valency 1 or Cu(I) then it\u2019s called Cuprous and if it presents valency 2 or Cu(II) then it\u2019s termed as Cupric.<\/li>\n<li><strong>Phosphorus<\/strong> \u2013 Atomic number, 15, electronic configuration, 2,8,5 and thus needs 3 electrons for outermost shell and stability, making valency 3.<\/li>\n<li><strong>Lithium<\/strong> \u2013 The atomic number of lithium is 3. Its electronic configuration is 2,1, has to lose one electron to attain stability and get an electronic configuration like the noble gas Helium. Thus, its valency is 1.<\/li>\n<li><strong>Fluorine<\/strong> \u2013 Atomic number 9 with 2,7 as electronic configuration, fluorine needs one electron to accomplish the octet and attain stability. So, its valency is 1.<\/li>\n<li><strong>Nickel<\/strong> \u2013 A transition element of atomic number 28, it has variable valences 2,3 and 4 mostly.<\/li>\n<li><strong>Helium<\/strong> \u2013 Atomic number 2, outermost shell already done, this highly stable element, an inert gas or noble gas doesn&#8217;t react with other elements easily. Its valency therefore stays zero.<\/li>\n<li><strong>Scandium<\/strong> \u2013 The atomic number of scandium, a transition element, is 21. However, it does now present any variable valences and its valency is 3.<\/li>\n<\/ul>\n<h4><strong>Use of the concept of valency<\/strong><\/h4>\n<p>The valency chart is very useful in assessing how many atoms in an element will combine with those of another element, to arrive at a chemical formula. Through the valency of elements, we can arrive at or have formulae of compounds. By knowing the valency of elements, it is easy to make formulae for the compounds of the respective elements.<\/p>\n<h2><b><span data-contrast=\"auto\">Conclusion<\/span><\/b><\/h2>\n<p><span data-contrast=\"auto\">If you would like to learn more about Valency, Oxidation State, and how to memorize the valency chart, as well as their relationship, join Tutoroot <a href=\"https:\/\/www.tutoroot.com\/blog\/how-do-interactive-and-passive-learning-impact-online-classes\/\"><strong>Online Interactive Classes<\/strong><\/a>, where you can get a <a href=\"https:\/\/www.tutoroot.com\/blog\/what-is-personalised-learning\/\"><strong>Personalised Learning<\/strong><\/a> Experience. Visit our website to learn more about our benefits like Doubt Clarification Sessions, Expert Staff Guidance, etc.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:160,&quot;335559740&quot;:259}\">\u00a0<\/span><\/p>\n<h2><b><span data-contrast=\"auto\">FAQ<\/span><\/b><\/h2>\n<p><strong>Define Valency Chart<\/strong><\/p>\n<p>To stabilize the addition between atoms of two different elements, the measuring capacity of atoms in the elements must be calculated, which is defined as Valency. For example, if atoms in the outermost orbital levels are not stable, they either break or add more atoms to stabilize themselves to gain sufficient energy from outside. Moreover, the chart that consists of the individual valency of all the different elements in the periodic table is called a Valency Chart of all elements.<\/p>\n<p><strong>What is Valency?<\/strong><\/p>\n<p>Valency thus denotes the combination of the power of an element or radical. The valency chart lists the valencies of the element. Valency always shows itself as a whole number and is used to chart the chemical formula of a compound. Through valency, we understand the way the atoms of one element combine with those of others.<\/p>\n<p><strong>How the valency is calculated?<\/strong><\/p>\n<p>With the help of the atomic number of the element and its electronic configuration, Valency can be calculated.<\/p>\n<p><strong>Does valency have a charge?<\/strong><\/p>\n<p>No, the Valency of an ion is said to be equal to its charge. Which is why valency does not have a sign.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Do you know how chemical formulas are calculated for each element? For example, have you ever wondered why the carbon dioxide formula is represented as\u00a0 CO2\u00a0 and not as \u201c &hellip; <a href=\"https:\/\/www.tutoroot.com\/blog\/how-can-you-master-the-valency-chart-a-complete-guide\/\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[14],"tags":[68,55,160],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Can You Master the Valency Chart? 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