Arsenic vs Zirconium

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PropertyAs ArsenicZr Zirconium
Atomic number3340
SymbolAsZr
NameArsenicZirconium
Categorymetalloidtransition-metal
Standard Atomic Weight74.921595 u91.224 u
Period45
Group154
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p3[Kr]5s24d2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][1, 2, 3, 4]
Electronegativity (Pauling)2.181.33
Electron affinity0.81 eV0.426 eV
Density5776 kg/m³6520 kg/m³
Melting point816.85 °C1854.85 °C
Boiling point613.85 °C4408.85 °C
Discovery year12501789