Question

What is the valency of X if the formula of the compound is XY2?​

Answer 1

Answer:

Let X be magnesium and Y be Chlorine. So its nature is neutral as it is a electrovalent bonded salt. Its formula XY2. Valency of X and Y is 2 and 1 respectively.

Explanation:

Hope it will hlp you

Answer 2

Answer:

remember the cross valency method?

Explanation:

compound = XY2

. X. Y.

charge. 2. 1.

this shows that valency of X is 2 and Y is 1