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rhodium (Rh)


Term: rhodium (Rh)
Literally meaning: “pertaining to rose”
Origin: Anc Greek
ρόδον/rhodon(=rose)
> ραδανός/rhadanos(soft, fragile)

Coined/History
Rhodium was discovered by English chemist William Hyde  Wollaston (1766-1828)  in 1803   and named because of the rose color of one of its chlorine compounds.

Definition
Rhodium (Rh) is a chemical element with atomic number 45 and  atomic mass  102.90550.  It is a hard silvery and inert (noble) metal. Rhodium together with palladium, ruthenium, iridium, platinum belongs to the platinum group.  Rhodium is used as catalytic converter for cars and in alloys with platinum and iridium. 

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