valency
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va·lence
, valency (vā'lĕns, -len-sē),The combining power of one atom of an element (or a radical), that of the hydrogen atom being the unit of comparison, determined by the number of electrons in the outer shell of the atom (v. electrons); for example, in HCl, chlorine is monovalent; in H2O, oxygen is bivalent; in NH3, nitrogen is trivalent.
[L. valentia, strength]
Farlex Partner Medical Dictionary © Farlex 2012
valency
(vā′lən-sē)n.
Variant of valence.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
va·lence
, valency (vā'lĕns, -ē)The combining power of one atom of an element (or a radical), that of the hydrogen atom being the unit of comparison, determined by the number of electrons in the outer shell of the atom (v. electrons); e.g., in HCl, chlorine is monovalent; in H2O, oxygen is bivalent; in NH3, nitrogen is trivalent.
[L. valentia, strength]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
va·lence
, valency (vā'lĕns, -sē)The combining power of one atom of an element (or a radical), that of the hydrogen atom being the unit of comparison, determined by the number of electrons in the outer shell of the atom (v. electrons).
[L. valentia, strength]
Medical Dictionary for the Dental Professions © Farlex 2012