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Topic: How to determine the valence of an element in nature?  (Read 2541 times)

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Offline Boxxxed

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How to determine the valence of an element in nature?
« on: January 15, 2012, 09:50:54 PM »
I have tables and charts displaying the various common, stable, oxidation states of elements but I'm not sure why only those valence states exist. Why is Fe 2+ and 3+? Why is Cu only +1 and +2. Why can't we remove more electrons?
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Offline JustinCh3m

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Re: How to determine the valence of an element in nature?
« Reply #1 on: January 16, 2012, 12:02:20 PM »
Are you familiar with valence electron configurations?  Sometimes, though not always, this will give you insight on why/how electrons are "more easily removed" (lower ionization energies) from neutral atoms...
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Offline dipesh747

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Re: How to determine the valence of an element in nature?
« Reply #2 on: January 16, 2012, 01:34:56 PM »
Transition metals exist with various oxidation states. There is a lot of information out there as to why this is the case and it cannot be simply explained on a forum. Go and study a chemistry degree and you'll find out all about it in your inorganic classes.
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