Exceptions

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ShreyaKannan1B
Posts: 51
Joined: Wed Sep 11, 2019 12:15 am

Exceptions

Postby ShreyaKannan1B » Sun Oct 27, 2019 4:39 pm

Can someone explain why Cr and Cu are exceptions?

KHowe_1D
Posts: 103
Joined: Thu Jul 25, 2019 12:15 am
Been upvoted: 1 time

Re: Exceptions

Postby KHowe_1D » Sun Oct 27, 2019 4:41 pm

They are the exceptions because a full d orbital and a partially full 4s shell is more stable than an almost full d orbital and a full 4s shell.

katrinawong3d
Posts: 40
Joined: Sat Aug 17, 2019 12:17 am

Re: Exceptions

Postby katrinawong3d » Sun Oct 27, 2019 4:44 pm

These elements are exceptions because it's easier for them to remove a 4s electron and move it to the 3d subshell, which will result in a more stable half-filled or completely filled subshell.


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