Phosphorus vs Bismuth

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PropertyP PhosphorusBi Bismuth
Atomic number1583
SymbolPBi
NamePhosphorusBismuth
Categorynonmetalpost-transition-metal
Standard Atomic Weight30.973762 u208.9804 u
Period36
Group1515
Blockpp
Phase at STPsolidsolid
Electron configuration[Ne]3s23p3[Xe]6s24f145d106p3
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][-3, -2, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)2.192.02
Electron affinity0.7466 eV0.942 eV
Density1820 kg/m³9807 kg/m³
Melting point44.15 °C271.4 °C
Boiling point280.5 °C1563.85 °C
Discovery year16691753