Chemistry, asked by abbas555, 6 months ago

Cu has an exceptional configuration of 4s1
3d10.Why?

Answers

Answered by legendary10

Answer:

Same happens with Cu. We can see that in Cu d subshell has 9 electrons so to become stable it needs 1 more electron in d subshell so it will take 1 electron from s subshell and now Cu will become stable in its new electronic configuration. Hence, Cr and Cu are called exceptional configuration.

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