Chemistry, asked by Manu6232, 9 days ago

.Assertion (A): Valency of sodium is +1 Reason(R) : The atom that donates electron is said to have electropositive valency

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Answered by reenasingh446

Answer:

because electronic configuration of sodium is 2;8;1. in outermost shell there is only 1 electron. therefore it can donate 1 electron & is said to have electropositive valency.

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