Phosphorus vs Cobalt

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PropertyP PhosphorusCo Cobalt
Atomic number1527
SymbolPCo
NamePhosphorusCobalt
Categorynonmetaltransition-metal
Standard Atomic Weight30.973762 u58.933194 u
Period34
Group159
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p3[Ar]4s23d7
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][-3, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)2.191.88
Electron affinity0.7466 eV0.661 eV
Density1820 kg/m³8860 kg/m³
Melting point44.15 °C1494.85 °C
Boiling point280.5 °C2926.85 °C
Discovery year16691735