Zirconium vs Antimony

PropertyZr ZirconiumSb Antimony
Atomic number4051
SymbolZrSb
NameZirconiumAntimony
Categorytransition-metalmetalloid
Standard Atomic Weight91.224 u121.76 u
Period55
Group415
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d2[Kr]5s24d105p3
Oxidation states[1, 2, 3, 4][-3, -2, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)1.332.05
Electron affinity0.426 eV1.07 eV
Density6520 kg/m³6685 kg/m³
Melting point1854.85 °C630.63 °C
Boiling point4408.85 °C1586.85 °C
Discovery year17891707