Electronic configurations of four elements A, B, C and D are given below : (A) 1s 2 2s 2 2p 6 (B) 1s 2 2s 2 2p 4 (C) 1s 2 2s 2 2p 6 3s 1 (D) 1s 2 2s 2 2p 5 Which of the following is the correct order of increasing tendency to gain electron :

Question

Philoid · Accepted Answer

The tendency to gain electrons depend upon the configuration and stability of an element. (A) is the most stable that is why least tendency and (D) needs one electron to become stable that is why highest electron gain enthalpy.

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 2p5Which of the following is the correct order of increasing tendency to gain electron :

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 2p⁵

Which of the following is the correct order of increasing tendency to gain electron :