Question

write probale electronic configuration of chromium and copper ​

Answer 1

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Cu = 29 = 1s² 2s² 2p⁶ 3s² 4p⁶ 4s¹ 3d¹⁰ These electronic configuration are exceptional because electrons entered in 3-d orbitals without filling the 4s orbitals complete. Reason for the Exceptions ⇒ It is said that d orbitals can be stable if it is half filled or full filled.

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Answer 2

Answer:

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Explanation:

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Cu = 29 = 1s² 2s² 2p⁶ 3s² 4p⁶ 4s¹ 3d¹⁰ These electronic configuration are exceptional because electrons entered in 3-d orbitals without filling the 4s orbitals complete. Reason for the Exceptions ⇒ It is said that d orbitals can be stable if it is half filled or full filled.