Question

what is the valency of calcium
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Answer 1

Answer:

HEY MATE...

THE VALENCY OF CALCIUM IS +2

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Answer 2

Answer:

2+

Explanation:

Coz. it donates 2 electrons from its outermost shell to attain stability. By donating the electrons the number of negative charges decreases and hence forth the positive charges increase. As, two electrons are donated two positive charges increase so the valency of calcium is 2 +.

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