Asked by Anonymous

How many electrons are in the highest energy orbital of the element copper? There is 1 in the outermost shell but what about the highest energy orbital?

Answers

Answered by bobpursley
the electron configuration for Cu is [Ar]3d<sup>10</sup> 4s<sup>1</sup> so there is one electron in the hightest energy orbital (4s)
Answered by Anonymous
That was what I put as my answer but my teacher marked it wrong and said "this is asking for the highest energy orbital versus the outermost shell." But in my book it has 1 as the highest energy orbial:/
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