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Rhodium - Dictionary Definition and Overview |
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Rhodium : (noun)
1: a white hard metallic element that is one of the platinum
group and is found in platinum ores; used in alloys with
platinum [syn: Rh, atomic number 45]
Based on WordNet 2.0
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Rhodium : \Rho"di*um\, n. [NL., fr. Gr. "ro`don the rose. So
called from the rose-red color of certain of its solutions.
See Rhododendron.] (Chem.)
A rare element of the light platinum group. It is found in
platinum ores, and obtained free as a white inert metal which
it is very difficult to fuse. Symbol Rh. Atomic weight 104.1.
Specific gravity 12.
Based on Webster's Revised Unabridged Dictionary
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Rhodium : Symbol: Rh
Atomic number: 45
Atomic weight: 102.905
Silvery white metallic transition element. Found with platinum and used in
some platinum alloys. Not attacked by acids, dissolves only in aqua regia.
Discovered in 1803 by W.H. Wollaston.
Based on Webster's Revised Unabridged Dictionary (1913)
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