Question

What is valency ? Give the valencies of some common elements

Answer 1

Answer:

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

Answer 2

Answer:

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.

FOR EXAMPLE :

Valency of fluorine : 1

Valency of Neon : 0