Symbol Uuu Atomic radius: pm - Fusion: kJ/Mole -
Name Unununium Ionic radius: pm - Boiling point: °C -
Atomic number 111 Electron affinity - Melting point: °C -
Atomic weight 272.0 1st  ion potential - Specific Heat Cap: J/(g K) -
Classification Trans metal Natural form - Thermal Cond: W/(cm K) -
Configuration Synthetic Crystal structure - Electrical Cond -
Oxidation states - Density - Abundance: mg/kg-crust Synthetic
Electronegativity - Vaporization: kJ/Mole -    
Unununium was discovered in 1994 by S. Hofmann, V. Ninov, F.P. Hessberger, P. Armbruster, H. Folger, G. Münzenberg, H.J. Schött and others at Gesellschaft für Schwerionenforschung (GSI) in Darmstadt, Germany.  It was produced in reactions between bismuth-209 and nickel-64. Uses - no known uses