Electron Configuration of Ruthenium

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Chris Freking 2G
Posts: 60
Joined: Fri Sep 28, 2018 12:29 am

Electron Configuration of Ruthenium

Postby Chris Freking 2G » Thu Nov 01, 2018 6:23 pm

The electron configuration of Ru is [Kr] 4d^7 5s^1.

Why is the electron configuration not [Kr] 4d^6 5s^2? Wouldn't it make more sense to have a filled 5s and a partially filled 4d rather than a half-filled 5s and partially filled 4d?

Kate Chow 4H
Posts: 61
Joined: Fri Sep 28, 2018 12:28 am

Re: Electron Configuration of Ruthenium

Postby Kate Chow 4H » Thu Nov 01, 2018 6:38 pm

There's actually a thread on this that I'll link here: viewtopic.php?t=16277
but the overall gist is that it's because of electron repulsion.


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