Iodine (thing)

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/cm³
Covalent radius: 1.33
Atomic radius: 1.32
Atomic volume: 25.70 cm³/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)

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