Oxygen vs Rhodium

PropertyO OxygenRh Rhodium
Atomic number845
SymbolORh
NameOxygenRhodium
Categorynonmetaltransition-metal
Standard Atomic Weight15.9994 u102.9055 u
Period25
Group169
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p4[Kr]5s14d8
Oxidation states[-2, -1, 0, 1, 2][-3, -1, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)3.442.28
Electron affinity1.4611 eV1.137 eV
Density1.429 kg/m³1.240000e+4 kg/m³
Melting point-218.79 °C1963.85 °C
Boiling point-182.95 °C3694.85 °C
Discovery year17711803