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Question 21083
NEET Chemistry · Medium

Structure of Atom: Electronic configuration MCQ

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Electronic configurationMediumQuestion 21083

Question

Electronic configuration of chromium is exceptional because it is:

  1. A
    [Ar]3d54s1[Ar]3d^54s^1
    Correct
  2. B
    [Ar]3d44s2[Ar]3d^44s^2
  3. C
    [Ar]3d64s0[Ar]3d^64s^0
  4. D
    [Ar]3d34s3[Ar]3d^34s^3

Correct answer

[Ar]3d54s1[Ar]3d^54s^1

Explanation

Half-filled d-subshell offers extra stability.

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