scandium

scandium
Ekabor Ek"a*bor` ([e^]k"[.a]*b[=o]r`), Ekaboron Ek"a*bo"ron (-b[=o]"r[o^]n), n. [G., fr. Skr. [=e]ka one + G. bor, boron, E. boron.] (Chem.) The name given by Mendelejeff in accordance with the periodic law, and by prediction, to a hypothetical element then unknown, but since discovered and named {scandium}; -- so called because it was a missing analogue of the boron group. See {Scandium}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • Scandium — (pronEng|ˈskændiəm) is a chemical element that has the symbol Sc and atomic number 21. A silvery white metal that is always present as compounds, scandium ores occur as rare minerals from Scandinavia and elsewhere, and it is sometimes considered… …   Wikipedia

  • Scandium — Calcium ← Scandium → Titane …   Wikipédia en Français

  • SCANDIUM — De Scandia , Scandinavie. Symbole chimique: Sc Numéro atomique: 21 Masse atomique: 44,95 Point de fusion: 1 539 0C Point d’ébullition: 2 832 0C Densité (à 25 0C): 2,989 Élément chimique du groupe des terres rares, mou et d’aspect argenté, prédit… …   Encyclopédie Universelle

  • Scandium — Scan di*um, n. [NL. So called because found in Scandinavian minerals.] (Chem.) A rare metallic element of the boron group, whose existence was predicted under the provisional name {ekaboron} by means of the periodic law, and subsequently… …   The Collaborative International Dictionary of English

  • Scandĭum — Sc, chemisch einfacher Körper, findet sich im Euxenit, Gadolinit, Yttrotitanit und Keilhauit, besitzt das Atomgewicht 44,1, bildet ein weißes, unschmelzbares Oxyd (Skandinerde) Sc2O3 vom spez. Gew. 3,8, das sich in kochender Salzsäure und… …   Meyers Großes Konversations-Lexikon

  • Scandium — Sc, Atomgew. 44,1, findet sich im Euxenit und einigen andern seltenen Mineralien. Es in nur in einer Reihe von Verbindungen bekannt und ist mit dem von Mendelejeff auf Grund des periodischen Systems der Elemente vorausgesetzten Ekabor identisch.… …   Lexikon der gesamten Technik

  • scandium — Symbol: Sc Atomic number: 21 Atomic weight: 44.956 Rare soft silvery metallic element belonging to group 3 of the periodic table. There are ten isotopes, nine of which are radioactive and have short half lives. Predicted in 1869 by Mendeleev,… …   Elements of periodic system

  • scandium — [skan′dē əm] n. [ModL: so named (1879) by L. F. Nilson (1840 99), Swed chemist < ML Scandia, Scandinavia (source of the ore from which it was isolated) + IUM] a rare, silvery white, metallic chemical element occurring with various rare earth… …   English World dictionary

  • Scandium — Eigenschaften …   Deutsch Wikipedia

  • scandium — /skan dee euhm/, n. Chem. a rare, trivalent, metallic element obtained from thortveitite. Symbol: Sc; at. wt.: 44.956; at. no.: 21; sp. gr.: 3.0. [1875 80; < NL; see SCANDIA, IUM] * * * ▪ chemical element  (Sc), chemical element, rare earth metal …   Universalium

  • Scandium — Scạn|di|um 〈n.; s; unz.; chem. 〉 hellgraues, glänzendes Metall der seltenen Erden, Ordnungszahl 21 [neulat., nach Scandia, dem lat. Namen für Südskandinavien] * * * Scạn|di|um [nlat. Scandia = Skandinavien; ↑ ium (1)], das; s: Symbol: Sc:… …   Universal-Lexikon

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