Does anyone understand why Ruthenium's (Ru) electron configuration is 4d7 5s1? Is this more stable than it would be to be 4d6 5s2?
Thanks!
Electron Configuration for Ru
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Re: Electron Configuration for Ru
For ruthenium, the case of having two electrons in the 5s is less favorable due to electrostatic repulsion. Since 4d and 5s are closer in energy compared to 3d and 4s, the repulsion of electrons is the dominant factor in determining which configuration is lower in energy (more favorable).
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