Valency Chart: List of Basic and Acid Radicals with Valencies (Class 9 & 10)
Valency is the combining capacity of an atom or a radical. Once you know the valency of the common radicals, writing the chemical formula of almost any compound you meet in Class 9 and Class 10 becomes a two-step job. This page gives you a complete valency chart of basic (positive) and acid (negative) radicals, … Read more