Platinum
Symbol: Pt
Atomic Number: 78
Atomic Weight: 195.08
Boiling Point: 4100 K
Melting Point: 2042.1 K
Density at 300K: 21.45 g/cm3
Covalent radius: 1.30
Atomic radius: 1.83
Atomic volume: 9.10 cm3/mol
First ionization potental: 9.0 V
Specific heat capacity: 0.013 Jg-1K-1
Thermal conductivity: 71.6 Wm-1K-1
Electrical conductivity: 9.4*106Ω-1m-1
Heat of fusion: 19.66 kJ/mol
Heat of vaporization: 510.45 kJ/mol
Electronegativity: 2.28 (Pauling's)

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