Atomic Number35Molar Mass79.91 gmol-1
Electron Configuration[Ar]3d104s24p5Normal Stateliquid nonmetal
Density @STP3.12 g cm-3Melting Point-7oC
Boiling Point59oCStable Isotopes79Br, 81Br
Atomic Radius114 pmIonic Radius196 (1-) pm
Electronegativity (Pauling)2.96Ionization Energy (1st)1140 kJ mol-1
Ionization Energy (2nd)2104 kJ mol-1Ionization Energy (3rd)3500 kJ mol-1
Molar Heat Capacity20.8 J K-1mol-1Standard Molar Entropy175 J K-1mol-1
Enthalpy of Fusion10.8 kJ mol-1Enthalpy of Vapourization30 kJ mol-1
[Back to Periodic table] [ Home -]