Question

An element of A forms an oxide a2o3 what is it's valency A and what is will the formula of chloride of A

Answer 1

Answer:

the valency of A would be 3 and it's chloride formula would be ACl3

Explanation:

Here O has valency 2 so automatically A has valency 3.

Cl has valency 1 so automatically chloride of a has formula ACl3

Answer 2

Answer:

valency of A is 3 and it's chloride formula is ACl3

Explanation:

O has valency 2 so A has valency 3.

Cl has valency 1 so chloride of a has formula ACl3