Biology, asked by sheetaljadhav2588, 8 days ago

why sodium has one valency

Answers

Answered by aashigngwr

Explanation:

The valency of an atom depends on the number of electrons present in the outermost shell. Sodium atom loses its 3s electron to attain the nearest noble gas configuration of Ne . Since sodium has only one electron in the outermost shell which takes part in the bonding its valency is +1 .

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