transition metal

transition metal

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tranˈsition metal 7 [transition metal] (also tranˈsition element) noun (chemistry)
one of the group of metals in the centre of the ↑periodic table (= a list of all the chemical elements) which form coloured ↑compounds and often act as ↑catalysts (= substances that make chemical reactions happen faster)

Useful english dictionary. 2012.

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  • Transition metal — Transition metal. См. Переходный металл. (Источник: «Металлы и сплавы. Справочник.» Под редакцией Ю.П. Солнцева; НПО Профессионал , НПО Мир и семья ; Санкт Петербург, 2003 г.) …   Словарь металлургических терминов

  • transition metal — ► NOUN Chemistry ▪ any of the set of metallic elements occupying the central block in the periodic table, e.g. iron, manganese, chromium, and copper …   English terms dictionary

  • Transition metal — The term transition metal (sometimes also called a transition element) has two possible meanings: The IUPAC definition[1] states that a transition metal is an element whose atom has an incomplete d sub shell, or which can give rise to cations… …   Wikipedia

  • transition metal — pereinamosios grupės metalas statusas T sritis fizika atitikmenys: angl. transition metal; transitional metal vok. Übergangsmetall, n; Metall der Übergangsgruppe, n rus. металл переходной группы, m pranc. métal de transition, m …   Fizikos terminų žodynas

  • Transition metal hydride — Transition metal hydrides are chemical compounds containing a transition metal bonded to hydrogen. Most transition metals form hydride complexes and some are significant in various catalytic and synthetic reactions. The term hydride is used… …   Wikipedia

  • Transition metal oxides — comprise a class of materials that contain transition metals and oxides. Well known materials include YBa2Cu3O7. Several others, like NbO and SrTiO3 are also* transition metalExternal links* [http://ocw.u… …   Wikipedia

  • Transition metal carbene complex — A transition metal carbene complex is a organometallic compound featuring a divalent organic ligand. The divalent organic ligand coordinated to the metal center is called a carbene. Carbene complexes for almost all transition metals have been… …   Wikipedia

  • transition metal impurity — pereinamosios grupės metalo priemaiša statusas T sritis radioelektronika atitikmenys: angl. transition metal impurity vok. Verunreinigung durch Übergangsmetalle, f rus. примесь переходного металла, f pranc. métal d impureté de transition, m …   Radioelektronikos terminų žodynas

  • transition metal — noun Etymology: from their being transitional between the more highly and the less highly electropositive elements Date: 1940 any of various metallic elements (as chromium, iron, and nickel) that have valence electrons in two shells instead of… …   New Collegiate Dictionary

  • transition metal — noun A transition element …   Wiktionary

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