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Covalent Bond

What are vale...

Question

What are valences of the following:
Magnesium
Oxide
Hydroxide

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Solution

Dear student

Valency is the number of electrons gain or loss to achieve noble gas configuration or fully filled octet.

The valency of Magnesium 2.

The valency of oxide (O^2- ) is 2.

The valency of hydroxide (-OH) is -1.

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