Question

What do you mean by valency?​

Answer 1

Valency is the combining power of an element. Elements in the same group of the periodic table have the same valency. The valency of an element is related to how many electrons are in the outer shell.

I hope it help you....

Answer 2

Answer:

Valency: The combining capacity of an atom is called its valency. Actually 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...

Hope it helps..✌️