Question

The oxide of aluminium has a chemical formula Al2O3. State the valency of Al​

Answer 1

Answer:

valency of aluminium is 3

Answer 2

Answer:

valency is 3

Step-by-step explanation:

As atomic no of aluminum is 13 and hence it will carry 2,8,3 electrons in it's K, L, M shells receptively and hence combining with O2it will give it's electrons to complete it's ocatate