Lanthanum
Symbol:
La
Atomic Number: 57
Atomic Weight: 138.9055
Boiling Point: 3737 K
Melting Point: 1191 K
Density at 300K: 6.15 g/cm
3
Covalent radius: 1.25
Atomic radius: 2.74
Atomic
volume: 22.5 cm
3/mol
First
ionization potental: 5.58 V
Specific heat capacity: 0.19 J g
-1 K
-1
Thermal conductivity: 13.5 W m
-1 K
-1
Electrical conductivity: 1.9*10
6Ω
-1 m
-1
Heat of fusion: 11.3 kJ/mol
Heat of vaporization: 399.57 kJ/mol
Electronegativity: 1.10 (Pauling's)