Question

What is valency explain with an
example​

Answer 1

Answer:

It is the number of electrons required or to be given for the stability of the atom.

Ex-Sodium Chloride.

Answer 2

Answer:

Valency is the potentiality of an element to join with an other element taking hydrogen or chlorine as a standard.

Such as- In FeCl3, the valency of Iron is 3. Though in modern science the concept of valency is useless.