Which of the following have 10 electrons in the d orbitals? A) Cu B) Mn C) Zn D) Fe E) two of the above
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Which of the following have 10 electrons in the d orbitals? A) Cu B) Mn C) Zn D) Fe E) two of the above

[From: ] [author: ] [Date: 11-11-24] [Hit: ]
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E) two of the above (Cu and Zn)

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The answer is A.
its because for Cu the electronic configuration is 1s2 2s2 2p6 3s2 3p6 4s1 3d10. its electronic configuration quite different than what we have expected.
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