Thallium
Symbol:
Tl
Atomic Number: 81
Atomic Weight: 204.383
Boiling Point: 1746 K
Melting Point: 577 K
Density at 300K: 11.85 g/cm
3
Covalent radius: 1.48
Atomic radius: 2.08
Atomic
volume: 17.20 cm
3/mol
First
ionization potental: 6.108 V
Specific heat capacity: 0.129 Jg
-1K
-1
Thermal conductivity: 46.1 Wm
-1K
-1
Electrical conductivity: 5.6*10
6Ω
-1m
-1
Heat of fusion: 4.27 kJ/mol
Heat of vaporization: 162.09 kJ/mol
Electronegativity: 2.04 (Pauling's)