ekaboron

ekaboron

(ĕk'əbôr`ŏn): see scandiumscandium
, metallic chemical element; symbol Sc; at. no. 21; at. wt. 44.95591; m.p. 1,541°C;; b.p. 2,831°C;; sp. gr. 2.99 at 20°C;; valence +3. Scandium is a soft silver-white metal.
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References in periodicals archive ?
Cleve, who identified scandium as ekaboron (see above), isolated two new rare earth elements in 1879.