The electronic configuration of valence shell of Cu is 3d^104s^1 and not 3d^94s^2. How is this configuration explained?

Question

The electronic configuration of valence shell of Cu is 3d^104s^1 and not 3d^94s^2. How is this configuration explained?

The electronic configuration of valence shell of Cu is 3d¹⁰4s¹ and not 3d⁹4s². How is this configuration explained?

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Completely filled and half filled orbitals have extra stability. In 3d¹⁰4s¹, d orbital is completely filled and s is half filled. So it is more stable configuration.

4 views Answered 2023-02-05 15:29