Platinum

**Symbol:** Pl

**Atomic number:** 78

**International title:** platinum

**Relative Atomic Weight:** 195,08

**Information:** Platinum is a very heavy, chemically very resistant silvery white metal. It belongs to the group of noble metals.

**Use:** Platinum is a very precious metal. It is used to make jewellery, catalysts and it is also used in medicine to treat cancer.

**Occurrence:** Platinum is very rare in Earth's crust. It occurs only in the form of pure metal.

**Structure:** Platinum crystallizes into a cubic (cubic) system (a flat-centered base cell).