Question

the electron configuration of an element is 8 2, 8, and 8​

Answer 1

Answer:

Hey mate here your answer

Explanation:

List of elements with electrons per shell

Z Element No. of electrons/shell

17 Chlorine 2, 8, 7

18 Argon 2, 8, 8

19 Potassium 2, 8, 8, 1

20 Calcium 2, 8, 8, 2