Question

What is valency???​?????????? ​

Answer 1

In chemistry, the valence or valency of an element is the measure of its combining capacity with other atoms when it forms chemical compounds or molecules

Answer 2

What is valency?

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The combining capacity of an element is called its valency. As it can be defined as the number of electrons that an atom may lose or gain during a chemical reaction or the number of electrons shared.