Question

Which one of the following is a correct electronic configuration of sodium?
(a) 2,8
(b) 8,2,1
(c) 2,1,8
(d) 2,8,1 .​

Answer 1

Answer is d 2,8,1

2+8+1 = 11

Answer 2

Answer:

answer D

Explanation:

as sodium is in the 3 period so it will have three shells