Question

Do S and Na have the same number of
electron shelis?

Answer 1

Yes

Step-by-step explanation:

Sulfur and Sodium will have the same number of electron shells.

Electronic configuration of

k l m

Na = 2 8 1

S = 2 8 6

We see that the have the same energy level.

Also, they belong to the same period on the periodic table. Elements in the same period will have equal number of shell.