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CGP EDU Academic Team
Published on: August 13, 2026
Electronic configurations of four elements A, B, C and D are given below :
(i) 1s 2 2s 2 2p 6 (ii) 1s 2 2s 2 2p 4 (iii) 1s
2 2s 2 2p 6 3s 1 (iv) 1s 2 2s 2 2p 5
Which of the following is the correct order of increasing tendency to gain electron :
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A
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