Question

Explain why the formula for magnesium chloride is MgCl2?

Answer 1

Answer:

Because of Criss-Cross method.

Explanation:

The formula for magnesium chloride is MgCl2

Because,The valency of Magnesium is +2and the ionic form of Mg is Mg+2

The valency of chlorine is -1 and the ionic form is Cl-

So,

Mg^+2 +2Cl^-=MgCl2

Hope it helps you.