Potassium
Symbol:
K
Atomic Number: 19
Boiling Point: 1033 K
Melting Point: 336.8 K
Density at 300K: 0.86 g/cm
3
Covalent radius: 2.03
Atomic radius: 2.77
Atomic
volume: 45.30 cm
3/mol
First
ionization potental: 4.341 V
Specific heat capacity: 0.757 Jg
-1K
-1
Thermal conductivity: 102.5 Wm
-1K
-1
Electrical conductivity: 16.4 10
6Ω
-1m
-1
Heat of fusion: 2.33 kJ/mol
Heat of vaporization: 76.9 kJ/mol
Electronegativity: 0.82 (Pauling's)