Iodine (I)
Atomic number
53
Mass number
127
Electronegativity
2.66
Covalent radius
1.333
Atomic radius
1.32
Melting point
386.7
Boiling point
458.4
Density
4.93
Specific heat
0.214
Electrical conductivity
8.0e-10
Thermal conductivity
0.00449