RH: Rhodium is another precious metal that is often mentioned alongside platinum and palladium. Like these metals, rhodium is a white-silver metal with similar properties and applications.

Rhodium is located in the periodic table of elements with the symbol Rh and atomic number 45. It is known for its high reflectivity, making it a popular choice for coating mirrors and other reflective surfaces. Rhodium is also highly resistant to corrosion and oxidation, making it a valuable metal in various industries.

One of the main applications of rhodium is in the automotive industry. It is used as a catalyst in catalytic converters, similar to palladium and platinum, to reduce harmful emissions from vehicles. Rhodium is also used in the production of electrical contacts and jewelry.

In conclusion, rhodium is a valuable precious metal with properties and applications similar to platinum and palladium. It is used in various industries, particularly in automotive catalytic converters.