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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.
1945-50 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for oxidation state
  • These charged atoms or molecules are known as ions, and the amount of charge on an ion is known as its oxidation state.
Contemporary definitions for oxidation state
noun's 21st Century Lexicon
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oxidation state in Science
oxidation state  
See valence.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for oxidation state

oxidation number

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

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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