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Question 46009
NEET Chemistry · Hard

The d- and f-Block Elements: Copper MCQ

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CopperHardQuestion 46009

Question

Electronic configuration of copper is:

  1. A
    [Ar] 3d10^{10} 4s1^1
    Correct
  2. B
    [Ar] 3d9^9 4s2^2
  3. C
    [Ar] 3d8^8 4s3^3
  4. D
    [Ar] 3d10^{10} 4s2^2

Correct answer

[Ar] 3d10^{10} 4s1^1

Explanation

Filled d-subshell gives extra stability.

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