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Atomic Number	78

Atomic Symbol	Pt

Atomic Weight	195.08 amu

Group	Transition, 10

Form	Solid

Density @ STP	21.5 g/cm³

Melting Point	1768.4 °C (3215.12 °F, 2041.55 °K)

Boiling Point	3825 °C (6917 °F, 4098.15 °K)

Heat of Fusion	22.17 kJ/mol

Heat of Vaporization	490 kJ/mol

First Ionization Potential	9.0 eV

Electronegativity (on Pauling scale	2.2

Specific Heat Capacity	0.133 J/g K

Ground State Electron Configuration	5d⁹ 6s¹

Oxidation State(s)	+2, +4

Stable Isotopes and Natural Abundance on Earth	¹⁹⁰Pt, 0.01%; ¹⁹²Pt, 0.79%; ¹⁹⁴Pt, 32.9%; ¹⁹⁵Pt, 33.8%; ¹⁹⁶Pt, 25.3%; ¹⁹⁸Pt, 7.2%

Atomic Radius	177 pm

Crystal Structure	Cubic