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oxidation state

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oxidation state

–noun Chemistry.
the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
Also called oxidation number.


Origin:
1945–50
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Main Entry:  oxidation state
Part of Speech:  n
Definition:  See oxidation number
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Science Dictionary
oxidation state  
See valence.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

oxidation state

the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.

Learn more about oxidation state with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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