Phosphorus vs Rhodium

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PropertyP PhosphorusRh Rhodium
Atomic number1545
SymbolPRh
NamePhosphorusRhodium
Categorynonmetaltransition-metal
Standard Atomic Weight30.973762 u102.9055 u
Period35
Group159
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p3[Kr]5s14d8
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][-3, -1, 1, 2, 3, 4, 5, 6, 7]
Electronegativity (Pauling)2.192.28
Electron affinity0.7466 eV1.137 eV
Density1820 kg/m³1.240000e+4 kg/m³
Melting point44.15 °C1963.85 °C
Boiling point280.5 °C3694.85 °C
Discovery year16691803