Rhodium
chemical element with symbol Rh and atomic number 45 From Wikipedia, the free encyclopedia
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Rhodium is a chemical element. It has the chemical symbol Rh. It has the atomic number 45. It is a rare metal. It is silver white and hard. In chemistry it is placed in a group of metal elements named the transition metals. It is also part of the platinum group. Rhodium is found in platinum ores.
Rhodium is used as a catalyst in some platinum alloys. It is the most expensive precious metal.[1]
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