Name: Dubnium
Symbol: Db
Atomic Number: 105
AtomicWeight: 262.000000
Family: transition metals
CAS RN: 53850-35-4
Description: A synthetic element not present in nature, appearance unknown, probably metallic solid
State (25 °C): Unknown (Synthetic)
Melting Point: – °K
Boiling Point: – °K
Density: 29.3 g/cm³
Oxidation states:
Electron Configuration: [Rn] 5f¹⁴6d³7s²
Radius: no data pm (Covalent)
Electronegativity: – (Pauling Scale)

1st Ionization Energy: 665 KJ/mole
2nd Ionization Energy: 1547 KJ/mole
3rd Ionization Energy: 2378 KJ/mole