Molybdenum vs Dubnium

← Back to Periodic Table
PropertyMo MolybdenumDb Dubnium
Atomic number42105
SymbolMoDb
NameMolybdenumDubnium
Categorytransition-metaltransition-metal
Standard Atomic Weight95.95 u268 u
Period57
Group65
Blockss
Phase at STPsolidN/A
Electron configuration[Kr]5s14d5[Rn]7s25f146d3
Oxidation states[-4, -2, -1, 0, 1, 2, 3, 4, 5, 6][3, 4, 5]
Electronegativity (Pauling)2.16N/A
Electron affinity0.744 eV0.56 eV
Density1.020000e+4 kg/m³2.930000e+4 kg/m³
Melting point2622.85 °C-273.15 °C
Boiling point4638.85 °C-273.15 °C
Discovery year17781967