Molybdenum vs Barium

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PropertyMo MolybdenumBa Barium
Atomic number4256
SymbolMoBa
NameMolybdenumBarium
Categorytransition-metalalkaline-earth-metal
Standard Atomic Weight95.95 u137.327 u
Period56
Group62
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s14d5[Xe]6s2
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][1, 2]
Electronegativity (Pauling)2.160.89
Electron affinity0.744 eV0.1447 eV
Density1.020000e+4 kg/m³3620 kg/m³
Melting point2622.85 °C726.85 °C
Boiling point4638.85 °C1896.85 °C
Discovery year17781808