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Question 21098
NEET Chemistry · Hard

Structure of Atom: Exception logic MCQ

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Exception logicHardQuestion 21098

Question

Chromium and copper are exceptions mainly because half-filled or fully filled subshells are:

  1. A
    Relatively more stable
    Correct
  2. B
    Always impossible
  3. C
    Less stable than paired electrons
  4. D
    Unaffected by exchange energy

Correct answer

Relatively more stable

Explanation

Extra stability comes from symmetry and exchange energy.

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