lone pair


lone pair
lone pair noun (chem)
A pair of valency electrons unshared by another atom
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Main Entry:lone

Useful english dictionary. 2012.

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  • lone pair —  Lone Pair  Неподеленная пара электронов   Два валентных электрона атома, находящиеся на одной орбитали, но не участвующие в образовании химической связи …   Толковый англо-русский словарь по нанотехнологии. - М.

  • 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 — Wasser moleküle Ein freies Elektronenpaar (auch nichtbindendes Elektronenpaar genannt oder einsames Elektronenpaar, wenn man das englische lone pair wörtlich übersetzt) ist in der Chemie ein Valenzelektronenpaar, das nicht an Bindungen zwischen… …   Deutsch Wikipedia

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

  • 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… …   Chemijos terminų aiškinamasis žodynas

  • Lone (disambiguation) — Lone may refer to:*Lone, a Kashmiri tribe * Lone (comics), a comic by Stuart Moore *Lone Guides (or Lones), Girlg Guides or Girl Scouts who don t attend meetings *Lone gunman theory, one of the JFK assassination theories *The Lone Gunmen, a group …   Wikipedia

  • Lone Star Toys — London double deck bus about 4.5 inches long. Lone Star Products Ltd. was the name used by British company Die Cast Machine Tools Ltd (DCMT) for its toy products. DCMT was based in Welham Green, Hertfordshire, north of London. Contents 1 …   Wikipedia

  • 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