Symbol Db Atomic radius: pm - Fusion: kJ/Mole -
Name Dubnium Ionic radius: pm - Boiling point: C -
Atomic number 105 Electron affinity - Melting point: C -
Atomic weight 262.0 1st  ion potential - Specific Heat Cap: J/(g K) -
Classification Trans metal Natural form - Thermal Cond: W/(cm K) -
Configuration [Rn]5f146d37s2 Crystal structure - Electrical Cond -
Oxidation states Synthetic Density - Abundance: mg/kg-crust Synthetic
Electronegativity - Vaporization: kJ/Mole -    
Dubnium was discovered in 1967 at the Nuclear Institute at Dubna in the USSR and the University of California at Berkeley.  It was obtained by collisions of californium-249 ions and nitrogen-15 ions.  Original name was to be "Hahnium". Uses - no known uses