Answer
Rhodium is a chemical element with the symbol Rh and atomic number 45. It is a rare, silvery-white, hard, and brittle metal. Rhodium is found in trace amounts in alloys of platinum, especially those used in jewellery, dentistry, and other applications requiring resistance to corrosion. Rhodium is also used in catalytic converters in automobiles. The element rhodium is named after the rose-red colour of its salts.