Question

Select the correct answer.

Answer 1

Answer:

$1s^{2}2s^{2}2p^{6}3s^{2}3p^{4}$

Explanation:

S is in 3d period, so it has 3 levels

1 level has 2 electrons, 2d level 8 electrons, 3d level 6 electrons

$1s^{2}2s^{2}2p^{6}3s^{2}3p^{4}$