europium
europium
Symbol: Eu
Atomic number: 63
Atomic weight: 151.25
Soft silvery metallic element belonging to the lanthanoids. Eu-151 and Eu-153 are the only two stable isotopes, both of which are neutron absorbers. Discovered in 1889 by Sir William Crookes.

Elements of periodic system. 2013.

  • Europium — (pronEng|jʊˈroʊpiəm) is a chemical element with the symbol Eu and atomic number 63. It was named after the continent Europe. Characteristics Europium is the most reactive of the rare earth elements; it rapidly oxidizes in air, and resembles… …   Wikipedia

  • Europium — Samarium ← Europium → Gadolinium …   Wikipédia en Français

  • europium — [ ørɔpjɔm ] n. m. • 1901; de Europe ♦ Chim. Élément atomique (Eu; no at. 63; m. at. 151,96) de la série des lanthanides. ● europium nom masculin (de Europe) Métal du groupe des lanthanides ou terres rares, élément chimique de symbole Eu. (C est… …   Encyclopédie Universelle

  • Europium — Eu*ro pi*um, n. [NL.; Europe + ium, as in aluminium.] (Chem.) A metallic element of the rare earth group (Lanthanide series), discovered spectroscopically by Demarcay in 1896. Symbol, Eu; atomic number 63; at. wt., 151.965 (C=12.011); valence =… …   The Collaborative International Dictionary of English

  • europium — EURÓPIUM s.n. v. europiu. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • europium — rare earth element, 1901, named by its discoverer, French chemist Eugène Demarçay (1852 1903) in 1896, from EUROPE (Cf. Europe) + ium …   Etymology dictionary

  • europium — [yo͞o rō′pē əm] n. [ModL: so named (1901) by E. A. Demarçay (1852 1904), Fr chemist < EUROPE + IUM] a chemical element, one of the rare earth elements, used as the red phosphor in color TVs: symbol, Eu; at. no., 63: see the periodic table of… …   English World dictionary

  • Europium — Eigenschaften …   Deutsch Wikipedia

  • europium — /yoo roh pee euhm, yeuh /, n. Chem. a rare earth metallic element whose salts are light pink. Symbol: Eu; at. wt.: 151.96; at. no.: 63. [1900 05; EUROPE + IUM] * * * ▪ chemical element  (Eu), chemical element, rare earth metal of the lanthanoid… …   Universalium

  • Europium — Eu|ro|pi|um 〈n.; s; unz.; chem. 〉 zu den Metallen der seltenen Erden gehörendes Element, Ordnungszahl 63 * * * Eu|ro|pi|um [nach Europa; ↑ ium (1)], das; s; Symbol: Eu: chem. Element aus der Lanthanidenreihe, Protonenzahl 63, AG 151,964. Eu ist… …   Universal-Lexikon