What is Rhodium?
[[File:Rhodium foil and wire.jpg|thumb|Rhodium [[foil (metal)|foil]] and [[wire]].]] '''Rhodium''' is a [[chemical element]]. It has the chemical symbol '''Rh'''. It has the [[atomic number]] 45. It is a [[wikt:rare|rare]] [[metal]]. It is silver white and hard. In chemistry it is placed in a group of metal elements named the [[transition metal]]s. It is also part of the [[platinum group]]. Rhodium is found in [[platinum]] [[ore]]s. Rhodium is used as a [[catalyst]] in some platinum [[alloy]]s. It is the most expensive [[precious metal]].<ref>[http://www.taxfreegold.co.uk/preciousmetalpricesindx.html Precious Metal Prices Index] taxfreegold.co.uk (HTML). Accessed 19 November 2006. </ref> == References == <references /> {{chem-stub}} {{Periodic Table}} {{Jewellery}} {{authority control}} [[Category:Transition metals]] [[Category:Catalysts]]