The Collaborative International Dictionary of English. 2000.
ekaboron — 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
ekaboron — noun the name given by to the predicted element (scandium) lying below boron in the periodic table … Wiktionary
Dmitri Mendeleev's predicted elements — Professor Dmitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest.[1] When Mendeleev proposed his periodic… … Wikipedia
Mendeleev's predicted elements — Professor Dmitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest. [ cite… … Wikipedia
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
7440-20-2 — Scandium Scandium Calcium … Wikipédia en Français
Scandium — Calcium ← Scandium → Titane … Wikipédia en Français
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
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… … The Collaborative International Dictionary of English
Mendelejeff's law — Periodic Pe ri*od ic, Periodical Pe ri*od ic*al, a. [L. periodicus, Gr. ?: cf. F. p[ e]riodique.] 1. Of or pertaining to a period or periods, or to division by periods. [1913 Webster] The periodicaltimes of all the satellites. Sir J. Herschel.… … The Collaborative International Dictionary of English
