Praseodymium
Symbol:
Pr
Atomic Number: 59
Atomic Weight: 140.9077
Boiling Point: 3785 K
Melting Point: 1204 K
Density at 300K: 6.77 g/cm
3
Covalent radius: 1.65
Atomic radius: 2.67
Atomic
volume: 20.8 cm
3/mol
First
ionization potental: 5.42 V
Specific heat capacity: 0.193 Jg
-1K
-1
Thermal conductivity: 12.5 Wm
-1K
-1
Electrical conductivity: 1.5 10
6Ω
-1m
-1
Heat of fusion: 10.04 kJ/mol
Heat of vaporization: 332.63 kJ/mol
Electronegativity: 1.13 (Pauling's)