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excellenc...

June 05, 2009 10:26 PM

In relation to chemistry, what is "zeff"?

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irishsteph...

June 05, 2009 11:14 PM

Effective atomic number has two different meanings: one that is the effective nuclear charge of an atom, and one that calculates the average atomic number for a compound or mixture of materials. Both are abbreviated Zeff.
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http://en.wikipedia.org/wiki/Zeff

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