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Topic: Is Fe3+ Isoelectric with V?  (Read 3710 times)

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Offline raging_nucleus

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Is Fe3+ Isoelectric with V?
« on: November 30, 2010, 09:50:01 PM »
I was thinking that Fe3+ is not isoelectric because it loses its 4s2 electrons to become 3+ and Vanadium still has its 4s2 electrons. So I guess what I'm saying is: Does Fe lose its 4s electrons or its 3d electrons to become oxidized to +3?
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Offline rackye

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Re: Is Fe3+ Isoelectric with V?
« Reply #1 on: November 30, 2010, 10:14:35 PM »
it has to lose it's external electrons. In first place the 4s
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Offline The Jar

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Re: Is Fe3+ Isoelectric with V?
« Reply #2 on: December 07, 2010, 04:08:56 PM »
Your evaluation is more or less correct.  Fe3+ has lost its 4s electrons while V still has both.

But...  remember that there are times when this breaks down.  Are Fe3+ and Cr+ isoelectronic?
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