1.

What is valency? Write valency of hydrogen

Answer»

❤️❤️hey MATE ❤️❤️

The electronic configuration of sodium can be written as 2, 8, 1. 2, 8, 1 electrons are distributed in the shells K, L, M respectively. THEREFORE, valence electron in sodium is 1 and it needs to lose 1 electron from the OUTERMOST orbit to attain octet. Hence, the valency of sodium is 1.

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