free valency

См. также в других словарях:

• free radical — noun Chemistry an uncharged molecule (typically highly reactive) having an unpaired valency electron …   English new terms dictionary

• saturated compound — /sætʃəreɪtəd ˈkɒmpaʊnd/ (say sachuhraytuhd kompownd) noun 1. a compound which does not form addition compounds, the molecules of which contain no double or triple bonds. 2. a compound which has no free valency electrons …  

• 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

• Glass transition — The liquid glass transition (or glass transition for short) is the reversible transition in amorphous materials (or in amorphous regions within semicrystalline materials) from a hard and relatively brittle state into a molten or rubber like state …   Wikipedia

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• Metal oxide adhesion — The strength of metal oxide adhesion effectively determines the wetting of the metal oxide interface. The strength of this adhesion is important, for instance, in production of light bulbs and fiber matrix composites that depend on the… …   Wikipedia

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• 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

• Defining equation (physical chemistry) — For the detailed nature of defining equations see Physical quantity Main article: Physical chemistry In physical chemistry, there are numerous quantities associated with chemical compounds and reactions; notably in terms of amounts of substance,… …   Wikipedia

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