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gtnhenbr [62]
3 years ago
6

The valency of calcium is2 ? what does it mean​

Chemistry
1 answer:
nalin [4]3 years ago
5 0

Answer:

hope you like it

Explanation:

because ouytermost shell contains two electrons

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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