For a sodium atom, the outermost orbit containing electrons is the 1- first orbit 2- second orbit 3- third orbit 4- fourth orbit

Ymochurad asked Apr 16, 2022

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17 votes

For a sodium atom, the outermost orbit containing electrons is the

1- first orbit
2- second orbit
3- third orbit
4- fourth orbit

Ymochurad asked Apr 16, 2022

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27 votes

3rd orbit

How?

Let's look at Electronic configuration of Sodium

$\\ \sf\longmapsto 1s^22s^22p^63s^1$

Final orbital is 3s .

Hence proved

Atorscho answered Apr 22, 2022

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