Rhodium vs Xenon

PropertyRh RhodiumXe Xenon
Atomic number4554
SymbolRhXe
NameRhodiumXenon
Categorytransition-metalnoble-gas
Standard Atomic Weight102.9055 u131.293 u
Period55
Group918
Blocksp
Phase at STPsolidgas
Electron configuration[Kr]5s14d8[Kr]5s24d105p6
Oxidation states[-3, -1, 1, 2, 3, 4, 5, 6, 7][0, 2, 4, 6, 8]
Electronegativity (Pauling)2.282.6
Electron affinity1.137 eV-0.8 eV
Density1.240000e+4 kg/m³5.887 kg/m³
Melting point1963.85 °C-111.79 °C
Boiling point3694.85 °C-108.1 °C
Discovery year18031898