Bromine

Atomic number35
Atomic weight79.904
Discovery (year)1826
Atomic radius (A)1.14
Melting point (oC)-7.2
Boiling point (oC)57.9
Density (g/cm3)3.14
Specific heat (cal/g oC)0.07
Ionization potential (eV)11.814
Electron Affinity (eV)3.364