Question

14.
An element X with atomic number 12 forms a compound with element Y
with atomic number 17. The formula of the compound formed is
(A) XY
(B) XY,
(C) X2Y
(D) X2Y3​

Answer 1

Answer:

I think it would be XY2

Explanation:

Valency of X is 2 and of Y is 1.

Answer 2

Answer:

the answer is XY2

MgCl2

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