lone pair of electrons


lone pair of electrons
laisvoji elektronų pora statusas T sritis chemija apibrėžtis Kovalentinio ryšio nesudariusi valentinių elektronų pora. atitikmenys: angl. lone pair of electrons; unshared pair of electrons rus. неподеленная пара электронов; свободная пара электронов

Chemijos terminų aiškinamasis žodynas – 2-asis patais. ir papild. leid. – Vilnius: Mokslo ir enciklopedijų leidybos institutas. . 2003.

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  • lone pair — noun (chem) A pair of valency electrons unshared by another atom • • • Main Entry: ↑lone …   Useful english dictionary

  • Lone pair — s equal the total number of valence electrons from a compound. A single lone pair can be found with atoms in the nitrogen group such as nitrogen in ammonia, two lone pairs can be found with atoms in the chalcogen group such as oxygen in water and …   Wikipedia

  • lone pair — noun a pair of electrons in the valence shell of an atom that does not participate in bonding …   Wiktionary

  • unshared pair of electrons — laisvoji elektronų pora statusas T sritis chemija apibrėžtis Kovalentinio ryšio nesudariusi valentinių elektronų pora. atitikmenys: angl. lone pair of electrons; unshared pair of electrons rus. неподеленная пара электронов; свободная пара… …   Chemijos terminų aiškinamasis žodynas

  • Inert pair effect — The term inert pair effect is often used in relation to the increasing stability of oxidation states that are 2 less than the group valency for the heavier elements of groups 13, 14, 15 and 16. The term inert pair was first proposed by Sidgwick… …   Wikipedia

  • Cooper pair — In condensed matter physics, a Cooper pair or BCS pair is two electrons (or other fermions) that are bound together at low temperatures in a certain manner first described in 1956 by American physicist Leon Cooper.[1] Cooper showed that an… …   Wikipedia

  • Electron pair — In chemistry, an electron pair consists of two electrons that occupy the same orbital but have opposite spins.Because electrons are fermions, the Pauli exclusion principle forbids these particles from having exactly the same quantum numbers.… …   Wikipedia

  • Lewis pair — A Lewis electron pair is a pair of electrons with opposite spins located in a molecule. The pair of electrons can comprise either a covalent bond, or a lone pair, localized in a mostly non bonding molecular orbital.ee also* Lewis acid * Lewis… …   Wikipedia

  • Polyhedral skeletal electron pair theory — In chemistry the polyhedral skeletal electron pair theory provides electron counting rules useful for predicting the structures of clusters such as borane and carborane clusters. The electron counting rules were originally formulated by Kenneth… …   Wikipedia

  • chemical bonding — ▪ chemistry Introduction       any of the interactions that account for the association of atoms into molecules, ions, crystals, and other stable species that make up the familiar substances of the everyday world. When atoms approach one another …   Universalium