Question

Define Valency. Give some Examples​

Answer 1

Answer:

Valency: Valency is defined as the number of hydrogen atoms which combine directly or indirectly with one atom of an element

Explanation:

Example: One atom of nitrogen combines with three atoms of hydrogen to form ammonia gas. So, the valency of nitrogen is 3.

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