Question

THE ATOMIC NUMBER OF AN ELEMENT IS 12 AND ITS MASS NUMBER IS 24. WHAT IS THE VALENCY OF THE ELEMENT? ​

Answer 1

Answer:

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No. of neutrons. We know, in a stable atom, no of protons = no of electrons.

No of electrons = 12.

Hence valency of the atom is 2.

Answer 2

Answer:

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Explanation:

THE VALENCY OF THE ELEMENT is 2.