Thorium
Symbol:
Th
Atomic Number: 90
Atomic Weight: 232.0381
Boiling Point: 5060 K
Melting Point: 2028 K
Density at 300K: 11.72 g/cm
3
Covalent radius: 1.65
Atomic radius: ???
Atomic
volume: 19.90 cm
3/mol
First
ionization potental: 6.08 V
Specific heat capacity: 0.113 Jg
-1K
-1
Thermal conductivity: 54 Wm
-1K
-1
Electrical conductivity: 7.1*10
6Ω
-1m
-1
Heat of fusion: 15.65 kJ/mol
Heat of vaporization: 543.92 kJ/mol
Electronegativity: 1.3 (Pauling's)