Biology

rhodium (Rh)

Term: rhodium (Rh)

Literally meaning: ?pertaining to rose?

Origin: Anc Greek

?????/rhodon(=rose)

> ???????/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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Biology