Cobalt vs Molybdenum

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PropertyCo CobaltMo Molybdenum
Atomic number2742
SymbolCoMo
NameCobaltMolybdenum
Categorytransition-metaltransition-metal
Standard Atomic Weight58.933194 u95.95 u
Period45
Group96
Blockss
Phase at STPsolidsolid
Electron configuration[Ar]4s23d7[Kr]5s14d5
Oxidation states[-3, -1, 0, 1, 2, 3, 4, 5][-4, -2, -1, 0, 1, 2, 3, 4, 5, 6]
Electronegativity (Pauling)1.882.16
Electron affinity0.661 eV0.744 eV
Density8860 kg/m³1.020000e+4 kg/m³
Melting point1494.85 °C2622.85 °C
Boiling point2926.85 °C4638.85 °C
Discovery year17351778