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electron pair

noun
1.
Chemistry. two electrons occupying the same orbital in an atom or molecule; two electrons working together, especially forming a nonpolar covalent bond between atoms.
2.
Physics. an electron and a positron produced in a reaction, as by a high-energy photon.
Also called duplet.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for electron pair
  • So the electron pair zips around the material unimpeded, giving rise to superconductivity.
  • Because the electron pair is different from a hydrogen atom, the resulting shape is not a perfect tetrahedron as in methane.
electron pair in Science
electron pair  
  1. Two electrons functioning or regarded as functioning together, especially two electrons that form a nonpolar covalent bond between atoms.

  2. An electron and a positron produced by a high-energy photon.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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