Iodine
Symbol:
I
Atomic Number: 53
Atomic Weight: 126.9045
Boiling Point: 457.5 K
Melting Point: 386.7 K
Density at 300K: 4.93 g/cm
3
Covalent radius: 1.33
Atomic radius: 1.32
Atomic
volume: 25.70 cm
3/mol
First
ionization potental: 10.451 V
Specific heat capacity: 0.145 Jg
-1K
-1
Thermal conductivity: 0.449 Wm
-1K
-1
Electrical conductivity: 10
-5Ω
-1m
-1
Heat of fusion: 7.76 kJ/mol
Heat of vaporization: 20.9 kJ/mol
Electronegativity: 2.66 (Pauling's)