platiin
Platinum is a chemical element with the symbol Pt and atomic number 78. It is a hard, white, ductile, and highly malleable transition metal. Platinum is one of the rarest and most valuable precious metals on Earth, due to its rarity and the difficulty of extracting it from its ores.
The name platinum comes from the Spanish term platina, which means "little silver". It was first discovered
Platinum is a good conductor of electricity and heat, and it has a high melting point. It
The chemical properties of platinum are influenced by the addition of small amounts of other elements, such