Question

Define Valancy. What is the Valency of Lithium and sodium.​

Answer 1

Answer:

The valency of an element is a measure of its combining capacity and can be defined as

the number of electrons that must be lost or gained by an atom to obtain a stable electron configuration.

Answer 2

Explanation:

The valence or valency of an element is a measure of its combining capacity with other atoms when it forms chemical compounds or molecules.

Valency of lithium- 1

Valency of sodium- 1