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Channel: Why do iron(II) ions and chromium have different electronic configurations? - Chemistry Stack Exchange
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Answer by Oscar Lanzi for Why do iron(II) ions and chromium have different...

Another way to look at the transition in electronic configuration is to consider species with the same number of electrons but different numbers of protons.Start with $\ce{Cr^0}$ with its electron...

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Answer by Jan for Why do iron(II) ions and chromium have different electronic...

For starters, it isn’t nearly as simple as it is usually put in chemistry classes to explain chromium’s ground state electron configuration.$\ce{Cr(0)}$ and $\ce{Fe(II)}$ have the same number of...

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Answer by Vihanga Jayawickrama for Why do iron(II) ions and chromium have...

I've had the same question and this is how my chemistry teacher answered: 3d is a sub energy level of the 3rd energy level and 4s is a sub energy level of the 4th energy level. When electrons fill into...

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Why do iron(II) ions and chromium have different electronic configurations?

What I know:Empty 3d orbitals are higher in energy than empty 4s orbitals Aufbau Principle (electrons always go into an empty orbital with the lowest energy) Partially/half/fully filled 3d orbital are...

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