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/cm
3
Covalent radius: 1.30
Atomic radius: 1.83
Atomic
volume: 9.10 cm
3/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*10
6Ω
-1m
-1
Heat of fusion: 19.66 kJ/mol
Heat of vaporization: 510.45 kJ/mol
Electronegativity: 2.28 (Pauling's)