Question

What is the valency of Magnesium (Mg) ?​

Answer 1

The valency of magnesium is 2. Magnesium has an atomic number of 12, and it belongs to the second group in the periodic table.

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Answer 2

Answer:

2

Explanation:

For magnesium, valency is equal to the number of electrons (two) in valence shell. For oxygen, valency is equal to eight minus the number of electrons present in the outermost shell (8−6=2).

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