Question

how to find valency of sodium​

Answer 1

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Answer 2

Answer:

HEY MATE HERE IS YOUR ANSWER,

THE ATOMIC NO. OF SODIUM IS 11.

SO, THE ELECTRONIC CONFIGURATION OF SODIUM IS 2 , 8 , 1 .

HENCE, THE SODIUM IS FILLED COMPLETELY IN 2 SHELLS & HAS 1 ELECTRON IN THE 3RD SHELL. THEREFORE, THE VALENCY IS 1.

Explanation:

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