negative valency

См. также в других словарях:

• 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

• valence, valency — 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 …   Medical dictionary

• Pipil grammar — This article provides a grammar sketch of the Nawat or Pipil language, an endangered language spoken by the Pipils of western El Salvador, belonging to the Nahua group within the Uto Aztecan language family. There also exists a brief typological… …   Wikipedia

• Gramática pipil — Saltar a navegación, búsqueda Con Gramática pipil se refiere al conjunto de reglas y princios que regulan el uso del idioma pipil. Este artículo muestra un esquema gramatical del idioma náhuat o pipil, una lengua perteneciente a la familia… …   Wikipedia Español

• Hurrian language — Hurrian Spoken in Mitanni Region Mesopotamia Extinct …   Wikipedia

• Miskito grammar — This article provides a grammar sketch of the Miskito language, the language of the Miskito people of the Atlantic coast of Nicaragua and Honduras, a member of the Misumalpan language family. There also exists a brief typological overview of the… …   Wikipedia

• VALENCE — À toute représentation de la matière qui la suppose grenue, se rattachent deux genres d’intuitions, l’une privilégiant les formes, l’autre les forces. On peut, en effet, imaginer sous le mode de l’intensité les interactions entre les particules… …   Encyclopédie Universelle

• Verb — This article is about the part of speech. For the physical activity program, see VERB (program). For English usage of verbs, see English verbs. Verbs redirects here. For the Christian gospel rapper, see Verbs (rapper). Examples I washed the car… …   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

• Pipil language (typological overview) — This rather technical article provides a typological sketch of the Pipil language (also known as Nawat). Another related article outlines Pipil grammar in fuller detail. The distinctive purpose of the present article is to single out those… …   Wikipedia

• 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