Question

Electronic configuration of four elements A, B, C and D are given below
A. 1s² 2s² 2p⁶
B. 1s² 2s² 2p⁴
C. 1s² 2s² 2p⁶ 3s¹
D. 1s² 2s² 2p⁵
Which of the following is the correct order of increasing tendency to gain electron?
(a) A < C < B < D
(b) A < B < C < D
(c) D < B < C < A
(d) D < A < B < C

Answer 1

b is the right answer