Chemistry, asked by tenzero6974, 1 year ago

The valency of calcium is 2 why

Answers

Answered by adilaadil

Answer:

because ouytermost shell contains two electrons

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Answered by yamnarameez

Explanation:

calcium is in group 2 so its valency is two valency is the number of outer shelll electrons it needs to have an stable outer shell . it needs 2 more .

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