which element is a metal with vilancy 2
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Answer:
Calcium must be the correct answer
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Answer:
Magnesium is a metal with vilancy 2.
A metal like Magnesium (Atomic number=12) has valency 2, as Its electronic configuration is 2, 8, 2. It has 2 electrons in its outermost shell which is donated to other atom to complete its octet.
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