Chemistry, asked by harshprateek79, 6 months ago

5. Write the electronic configuration of Cu, Cr.

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Answered by aarti225566

2

Explanation:

2. 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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