Question

Question 10
Which of the following is the outermost shell for elements of period 2?

(a) K shell
(b) L shell
(c) M shell
(d) N shell

Answer 1

Option (b) is correct.
Period 2 means that electrons can be accommodated in 2 shells only. K shell is the first shell and L is the second shell, hence for period 2 elements L shell is the outermost shell.