Question

Electronic configurations 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 2p 5 Which of the following is the correct order of increasing tendency to gain electron : (i)A < C < B < D (ii) A < B < C < D (iii)D < B < C < A (iv)D < A < B < C

Answer 1

Answer:

3 is the correct answer I think so