Copper Ion Electron Configuration

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Chels Zh 1D
Posts: 41
Joined: Fri Jun 23, 2017 11:39 am

Copper Ion Electron Configuration

Postby Chels Zh 1D » Tue Jul 18, 2017 5:55 pm

As I have been confused for a while, what is the correct electron configuration for Cu, and furthermore for its ion, Cu+, and Cu2+? Should we write it the way putting 4s ahead of 3d or not? I would highly appreciate someone if they may explain it.
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Chem_Mod
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Re: Copper Ion Electron Configuration

Postby Chem_Mod » Tue Jul 18, 2017 6:26 pm

Put the 4s after the 3d

Cu: [Ar]3d104s1
Cu+: [Ar]3d10
Cu2+: [Ar]3d9
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Chels Zh 1D
Posts: 41
Joined: Fri Jun 23, 2017 11:39 am

Re: Copper Ion Electron Configuration

Postby Chels Zh 1D » Tue Jul 18, 2017 6:27 pm

Thanks a lot! :))))
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Karen Ung 2H
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Joined: Fri Sep 29, 2017 7:04 am
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Re: Copper Ion Electron Configuration

Postby Karen Ung 2H » Thu Oct 19, 2017 5:01 pm

Why is copper different in that it doesn't follow the normal order (or pattern on the periodic table) of an electron configuration?
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