Question

What is valency and what is it’s importance ?

Answer 1

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VALENCY IS SOMETHING USED MAKING FORMULAS IN CHEMISTRY

Answer 2

In chemistry, the valence or valency of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules. The concept ofvalence developed in the second half of the 19th century and helped successfully explain the molecular structure of inorganic and organic compounds.