Question

write down the electronic configuration of. sodium atom and chlorine atom​

Answer 1

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• Sodium valance electron is 1 as its electronic configuration is 2 8 1 and chlorine valance electron is 7 as its electronic configuration is 2 8 7.So na donates one electron to Cl.

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Answer 2

Explanation:

(a)

(i) Sodium - 2, 8, 1

(ii) Chlorine - 2, 8, 7