What is the ground-state electron configuration of a neutral atom of copper?

1 Answer
anor277
Oct 17, 2016

For copper, Z=29...

Explanation:

And thus we have 29 electrons to distribute:

1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(1)3d^(10)

The d-"orbital" filling is anomalous. Depending on where you are (A level; 1st year; 2nd year?), it simply has to be known.

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