Platinum has an atomic number of 78, meaning each atom contains 78 protons in its nucleus.
The standard atomic weight of platinum is 195.08 u (unified atomic mass units).
Platinum is classified as a transition metal.
Platinum is a solid at 20 Β°C (68 Β°F).
The melting point of platinum is 1767.85 Β°C / 2041 K.
The boiling point of platinum is 3824.85 Β°C / 4098 K.
The density of platinum is 21.45 g/cmΒ³ (20Β°C).
Platinum has a Pauling electronegativity of 2.28.
The electron configuration of platinum is [Xe] 4f14 5d9 6s1.
Platinum commonly exhibits the following oxidation states: +2, +4.
Platinum was discovered in 1735 by Antonio de Ulloa.
Platinum is a stable element with no naturally occurring radioactive isotopes.
No essential biological role.
Platinum is used for: Catalytic converters; Jewelry; Chemotherapy drugs.