Xenon vs Gadolinium

PropertyXe XenonGd Gadolinium
Atomic number5464
SymbolXeGd
NameXenonGadolinium
Categorynoble-gaslanthanide
Standard Atomic Weight131.293 u157.25 u
Period56
Group18N/A
Blockps
Phase at STPgassolid
Electron configuration[Kr]5s24d105p6[Xe]6s24f75d1
Oxidation states[0, 2, 4, 6, 8][0, 1, 2, 3]
Electronegativity (Pauling)2.61.2
Electron affinity-0.8 eV0.132 eV
Density5.887 kg/m³7900 kg/m³
Melting point-111.79 °C1312.85 °C
Boiling point-108.1 °C3272.85 °C
Discovery year18981886