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Question 46008
NEET Chemistry · Hard

The d- and f-Block Elements: Chromium MCQ

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ChromiumHardQuestion 46008

Question

Electronic configuration of chromium is exceptional because it is:

  1. A
    [Ar] 3d5^5 4s1^1
    Correct
  2. B
    [Ar] 3d4^4 4s2^2
  3. C
    [Ar] 3d6^6 4s0^0
  4. D
    [Ar] 3d3^3 4s3^3

Correct answer

[Ar] 3d5^5 4s1^1

Explanation

Half-filled d-subshell stability causes the exception.

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