Science, asked by sanchitasighaniyaa, 7 months ago

write the electronic configuration of cqrbon and sodium atom also writes their valency​

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Answered by Anonymous
12

Answer:

Refer the attachment......

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Answered by diya9294
3

First shell has 2 electrons has valance shell has 4 electrons. Therefore the valency of carbon atom is 4. (b) Atomic number of sodium is 11. Sodium has 1 electron in its outermost shell.

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