Antimony vs Barium

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PropertySb AntimonyBa Barium
Atomic number5156
SymbolSbBa
NameAntimonyBarium
Categorymetalloidalkaline-earth-metal
Standard Atomic Weight121.76 u137.327 u
Period56
Group152
Blockps
Phase at STPsolidsolid
Electron configuration[Kr]5s24d105p3[Xe]6s2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][1, 2]
Electronegativity (Pauling)2.050.89
Electron affinity1.07 eV0.1447 eV
Density6685 kg/m³3620 kg/m³
Melting point630.63 °C726.85 °C
Boiling point1586.85 °C1896.85 °C
Discovery year17071808