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Multiple choice

Which of the following pairs has elements with half-filled 3d orbitals?

  1. V and Cr

  2. Cr and Fe

  3. Cr and Mn

  4. Fe and V

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Cr: [Ar] 3d54s1 Mn: [Ar] 3d54s2

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