- valency bond
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• атомная связь• гомеополярная связь• ковалентная связь
Англо-русский словарь терминов металлургии и сварки. 2011.
valency bond
Смотреть что такое "valency bond" в других словарях:
valency bond — /ˈveɪlənsi bɒnd/ (say vayluhnsee bond) noun a chemical bond between two atoms in a molecule in which electrons are shared between the two atoms …
Valency — Val en*cy, n.; pl. {Valencies}. (Chem.) (a) See {Valence}. (b) A unit of combining power; a so called bond of affinity. [1913 Webster] … The Collaborative International Dictionary of English
Valency interaction formula — The Valency Interaction Formula, or VIF is a method for drawing molecular structural formulas based in quantum mechanics. The mathematical basis for VIF was formulated by Oktay Sinanoglu in a series of five papers published in 1984. [ Sinanoğlu,… … Wikipedia
Bond strength — In chemistry, bond strength is measured between two atoms joined in a chemical bond [JerryMarch] . It is the degree to which each atom linked to a central atom contributes to the valency of this central atom. Bond strength is intimately linked to … Wikipedia
semipolar bond — /ˌsɛmipoʊlə ˈbɒnd/ (say .semeepohluh bond) noun Chemistry a valency bond in which two electrons are donated by one atom to another atom which requires both of them to complete its octet. Also, coordinate covalent bond, donor bond …
Chemical bond — A chemical bond is an attraction between atoms that allows the formation of chemical substances that contain two or more atoms. The bond is caused by the electromagnetic force attraction between opposite charges, either between electrons and… … Wikipedia
Three-center four-electron bond — The 3 center 4 electron bond is a model used to explain bonding in hypervalent molecules such as phosphorus pentafluoride, sulfur hexafluoride, the xenon fluorides, and the hydrogen difluoride ion. [Greenwood Earnshaw p. 897.] [Weinhold, F.;… … Wikipedia
Valencies — Valency Val en*cy, n.; pl. {Valencies}. (Chem.) (a) See {Valence}. (b) A unit of combining power; a so called bond of affinity. [1913 Webster] … The Collaborative International Dictionary of English
Valence (chemistry) — For other uses, see Valence (disambiguation). In chemistry, valence, also known as valency or valence number, is a measure of the number of bonds formed by an atom of a given element. Valence can be defined as the number of valence bonds[1] a… … Wikipedia
reaction mechanism — Introduction in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… … Universalium
VSEPR theory — Valence shell electron pair repulsion (VSEPR) theory is a model in chemistry used to predict the shape of individual molecules based upon the extent of electron pair electrostatic repulsion.[1] It is also named Gillespie–Nyholm theory after its… … Wikipedia
