functional valency

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• 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

• Arity — In logic, mathematics, and computer science, the arity i/ˈær …   Wikipedia

• 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

• Transitivity (grammatical category) — In linguistics, transitivity is a property of verbs that relates to whether a verb can take direct objects. It is closely related to valency.Traditional grammar makes a binary distinction between transitive verbs such as throw , injure , kiss… …   Wikipedia

• Theta role — In Generative grammar, (in particular Government and binding theory and the Standard Theory of Transformational Grammar) a theta role or θ role is the formal device for representing syntactic argument structure (the number and type of noun… …   Wikipedia

• Glass transition temperature — The glass transition temperature, T g, is the temperature at which an amorphous solid, such as glass or a polymer, becomes brittle on cooling, or soft on heating. More specifically, it defines a pseudo second order phase transition in which a… …   Wikipedia

• Object (grammar) — Linguistics …   Wikipedia

• Cubical atom — The cubical atom was an early atomic model in which electrons were positioned at the eight corners of a cube in a non polar atom or molecule. This theory was developed in 1902 by Gilbert N. Lewis and published in 1916 in the famous article The… …   Wikipedia

• Chemical structure — A chemical structure includes molecular geometry, electronic structure and crystal structure of molecules. Molecular geometry refers to the spatial arrangement of atoms in a molecule and the chemical bonds that hold the atoms together. Molecular… …   Wikipedia

• Tree-adjoining grammar — (TAG) is a grammar formalism defined by Aravind Joshi. Tree adjoining grammars are somewhat similar to context free grammars, but the elementary unit of rewriting is the tree rather than the symbol. Whereas context free grammars have rules for… …   Wikipedia

• Colossal magnetoresistance — (CMR) is a property of some materials, mostly manganese based perovskite oxides, that enables them to dramatically change their electrical resistance in the presence of a magnetic field. The magnetoresistance of conventional materials enables… …   Wikipedia