Molybdenum vs Plutonium

PropertyMo MolybdenumPu Plutonium
Atomic number4294
SymbolMoPu
NameMolybdenumPlutonium
Categorytransition-metalactinide
Standard Atomic Weight95.95 u244 u
Period57
Group6N/A
Blockss
Phase at STPsolidsolid
Electron configuration[Kr]5s14d5[Rn]7s25f6
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][2, 3, 4, 5, 6, 7, 8]
Electronegativity (Pauling)2.161.28
Electron affinity0.744 eV-0.5 eV
Density1.020000e+4 kg/m³1.984000e+4 kg/m³
Melting point2622.85 °C639.85 °C
Boiling point4638.85 °C3227.85 °C
Discovery year17781941