Question

hey!!!! guys plz ans......


What is valency???? What's the valency of Oxygen and nitrogen????? ​

Answer 1

Answer:

oxygen is -2 and nitrogen 3 or 5

Answer 2

Heyy there..

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

Valency of oxygen is (-2) which means it can gain or share 2 electrons and valency of nitrogen is (-3) or (+5).