Arsenic vs Barium

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PropertyAs ArsenicBa Barium
Atomic number3356
SymbolAsBa
NameArsenicBarium
Categorymetalloidalkaline-earth-metal
Standard Atomic Weight74.921595 u137.327 u
Period46
Group152
Blockps
Phase at STPsolidsolid
Electron configuration[Ar]4s23d104p3[Xe]6s2
Oxidation states[-3, -2, -1, 0, 1, 2, 3, 4, 5][1, 2]
Electronegativity (Pauling)2.180.89
Electron affinity0.81 eV0.1447 eV
Density5776 kg/m³3620 kg/m³
Melting point816.85 °C726.85 °C
Boiling point613.85 °C1896.85 °C
Discovery year12501808