Phosphorus vs Zirconium

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PropertyP PhosphorusZr Zirconium
Atomic number1540
SymbolPZr
NamePhosphorusZirconium
Categorynonmetaltransition-metal
Standard Atomic Weight30.973762 u91.224 u
Period35
Group154
Blockps
Phase at STPsolidsolid
Electron configuration[Ne]3s23p3[Kr]5s24d2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][1, 2, 3, 4]
Electronegativity (Pauling)2.191.33
Electron affinity0.7466 eV0.426 eV
Density1820 kg/m³6520 kg/m³
Melting point44.15 °C1854.85 °C
Boiling point280.5 °C4408.85 °C
Discovery year16691789