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rhodium |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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. From WordNet r 1.6 [wn]: rhodium n : 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}] From Elements database 20001107 [elements]: 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.
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