Question

)What is valency. An element ‘A’ has valency +3, while another element ‘B’ has valency -2. Give the

formula of their compound formed when ‘A’ reacts with ‘B’.​

Answer 1

Answer:

The combining capacity of an element is called its valency.

Explanation:

Formula of their compound = A2B3

Answer 2

The combining capacity of an element is known as valency.

Valency of element A = 3+

While, B has = 2-

∴ Compound formed = A3+ X B2- = A2B3.