N-Electron Valence state Perturbation Theory — In quantum chemistry, N Electron Valence state Perturbation Theory (NEVPT) is a perturbative treatment applicable to multireference CASCI type wavefunctions. It can be considered as a generalization of the well known second order Møller Plesset… … Wikipedia
n-electron valence state perturbation theory — In quantum chemistry, n electron valence state perturbation theory (NEVPT) is a perturbative treatment applicable to multireference CASCI type wavefunctions. It can be considered as a generalization of the well known second order Møller Plesset… … 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
Valence electron — In chemistry, valence electrons are the electrons contained in the outermost, or valence , electron shell of an atom. Valence electrons are important in determining how an element reacts chemically with other elements: The fewer valence electrons … Wikipedia
Valence — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom. Sur les autres projets Wikimedia : « Valence », sur le Wiktionnaire (dictionnaire universel) Valence est un nom propre ou commun qui peut… … Wikipédia en Français
Valence bond theory — In chemistry, valence bond theory explains the nature of a chemical bond in a molecule in terms of atomic valencies. [Murrel, JN, Kettle, SF Tedder, JM The Chemical Bond , John Wiley Sons (1985) ISBN 0 471 90759 6] Valence bond theory summarizes… … Wikipedia
Valence — 1 Original name in latin Valence Name in other language VAF, Valenca, Valence, Valencia, Valena, valansa, vuValencearansu State code FR Continent/City Europe/Paris longitude 44.93333 latitude 4.9 altitude 128 Population 63864 Date 2013 03 23 2… … Cities with a population over 1000 database
Valence band — In solids, the valence band is the highest range of electron energies where electrons are normally present at absolute zero. In semiconductors and insulators, there is a band gap above the valence band, followed by a conduction band above that.… … Wikipedia
Valence-sur-Baise — Original name in latin Valence sur Base Name in other language Valence, Valence sur Baise, Valence sur Base State code FR Continent/City Europe/Paris longitude 43.8827 latitude 0.38111 altitude 119 Population 1196 Date 2012 01 18 … Cities with a population over 1000 database
valence number — noun : oxidation state … Useful english dictionary