Neon vs Rhodium

PropertyNe NeonRh Rhodium
Atomic number1045
SymbolNeRh
NameNeonRhodium
Categorynoble-gastransition-metal
Standard Atomic Weight20.1797 u102.9055 u
Period25
Group189
Blockps
Phase at STPgassolid
Electron configuration[He]2s22p6[Kr]5s14d8
Oxidation states[0][-3, -1, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)N/A2.28
Electron affinity-1.2 eV1.137 eV
Density0.8999 kg/m³1.240000e+4 kg/m³
Melting point-248.59 °C1963.85 °C
Boiling point-246.05 °C3694.85 °C
Discovery year18981803