Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name is derived from the Spanish term platina, meaning little silver.

Atomic Weight: 525.252
Density        35.3553 g/cm^3.
Melting Point: 35.212
Boiling Point: 53.353