transition element

transition element
noun or transition metal
: any of the series of metals (as scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel) that fall in the center of the long form of the periodic table, that include as inner series the lanthanide series and the actinide series, that have valence electrons in two shells instead of only one, and that are characterized in most cases by variable oxidation states and magnetic properties

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Chem.
any element in any of the series of elements with atomic numbers 21-29, 39-47, 57-79, and 89-107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal.
[1920-25]

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transition element or transition metal noun (physics)
One of a group with an incomplete inner electron shell, characterized by the ability to form coloured complexes
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Main Entry: ↑transition

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transition element or transition metal,
any metallic chemical element with an incomplete inner electron shell. Silver and gold are transition elements.

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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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Look at other dictionaries:

  • transition element — n. any element of several groups of elements formed by adding electrons to an inner shell as the atomic number increases …   English World dictionary

  • transition element — Chem. any element in any of the series of elements with atomic numbers 21 29, 39 47, 57 79, and 89 107, that in a given inner orbital has less than a full quota of electrons. Also called transition metal. [1920 25] * * * Any chemical element with …   Universalium

  • transition element — pereinamasis elementas statusas T sritis fizika atitikmenys: angl. transition element; transitional element vok. Übergangselement, n rus. переходный элемент, m pranc. élément de transition, m …   Fizikos terminų žodynas

  • transition element — noun see transition metal …   New Collegiate Dictionary

  • transition element — noun any of the group or metallic elements that have an incomplete inner (d) electron shell; they have multiple valencies and form coloured compounds and stable complex ions; the elements …   Wiktionary

  • transition element — /trænˈzɪʃən ɛləmənt/ (say tran zishuhn eluhmuhnt) noun any of numerous metallic elements in which the two outermost electron shells are incomplete; they have variable valencies and coloured ions. Also, transition metal …  

  • transition element — transi′tion el ement n. chem. any element in the four series of chemical elements with atomic numbers 21–29, 39–47, 57–79, and 89–107, that in a given inner orbital has less than a full quota of electrons. Also called transi′tion met al •… …   From formal English to slang

  • переходный элемент ( transition element) — 3.4 переходный элемент ( transition element): Элемент воздуховода, подогнанный к воздуховоду источника звука и соединяющий его с измерительным воздуховодом и в некоторых случаях соединяющий измерительный воздуховод с глушителем. Источник …   Словарь-справочник терминов нормативно-технической документации

  • transition — [ trɑ̃zisjɔ̃ ] n. f. • 1501 « procédé rhétorique »; lat. transitio, proprt « passage » 1 ♦ Manière de passer de l expression d une idée à une autre, de lier les parties d un discours. ⇒ passage. L art des transitions. Ménager les transitions.… …   Encyclopédie Universelle

  • 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

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