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valence electron

noun, Chemistry
1.
an electron of an atom, located in the outermost shell (valence shell) of the atom, that can be transferred to or shared with another atom.
Origin of valence electron
1925-1930
1925-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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valence electrons in Science
valence electron  
An electron in one of the outer shells of an atom that can participate in forming chemical bonds with other atoms.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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valence electrons in Culture

valence electrons definition


In chemistry, those electrons found in orbits farthest from the nucleus of the atom. These electrons determine the way in which the atom will combine with other atoms, and thus determine its chemical properties.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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