Question

Electronic configuration of following:
chlorine and fluorine​

Answer 1

Answer:

So Fluorine has a configuration of 2,7 (It has 9 as it's atomic number, telling us the number of electrons). Now we will repeat the same thing for Chlorine but we could also notice it is one whole row below Fluroine which means you just add another whole shell in between them. 2,8,7.

Answer 2

Electronic configuration of

Chlorine - 2 ,8,7

Florine - 2, 7