Bromine vs Barium

PropertyBr BromineBa Barium
Atomic number3556
SymbolBrBa
NameBromineBarium
Categoryhalogenalkaline-earth-metal
Standard Atomic Weight79.904 u137.327 u
Period46
Group172
Blockps
Phase at STPliquidsolid
Electron configuration[Ar]4s23d104p5[Xe]6s2
Oxidation states[-1, 1, 2, 3, 4, 5, 7][1, 2]
Electronegativity (Pauling)2.960.89
Electron affinity3.3635 eV0.1447 eV
Density3102.8 kg/m³3620 kg/m³
Melting point-7.2 °C726.85 °C
Boiling point58.8 °C1896.85 °C
Discovery year18251808