Bromine vs Praseodymium

PropertyBr BrominePr Praseodymium
Atomic number3559
SymbolBrPr
NameBrominePraseodymium
Categoryhalogenlanthanide
Standard Atomic Weight79.904 u140.90766 u
Period46
Group17N/A
Blockps
Phase at STPliquidsolid
Electron configuration[Ar]4s23d104p5[Xe]6s24f3
Oxidation states[-1, 1, 2, 3, 4, 5, 7][0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)2.961.13
Electron affinity3.3635 eV0.962 eV
Density3102.8 kg/m³6770 kg/m³
Melting point-7.2 °C930.85 °C
Boiling point58.8 °C3519.85 °C
Discovery year18251885