Yttrium vs Antimony

PropertyY YttriumSb Antimony
Atomic number3951
SymbolYSb
NameYttriumAntimony
Categorytransition-metalmetalloid
Standard Atomic Weight88.90584 u121.76 u
Period55
Group315
Blocksp
Phase at STPsolidsolid
Electron configuration[Kr]5s24d1[Kr]5s24d105p3
Oxidation states[0, 1, 2, 3][-3, -2, -1, 0, 1, 2, 3, 4, 5]
Electronegativity (Pauling)1.222.05
Electron affinity0.307 eV1.07 eV
Density4470 kg/m³6685 kg/m³
Melting point1521.85 °C630.63 °C
Boiling point3344.85 °C1586.85 °C
Discovery year17941707