Ununbium

History

February 9, 1996 at 10:37 pm, at the Gesellschaft fur Schwerionenforschung in Darmstadt, Germany a team of scientists discovered their sixth element. It has an atomic mass of 277. 283112 Was created by fusing 48Ca and natural uranium, at Dubna, Russia. Unlike 110, Ununbium has properties more like radon than mercury, but due to it's rapid half life (280 microseconds), it is difficult to study.[1]

Properties

General
Name : ununbium
Symbol : Uub
Atomic Number : 112
Chemical Series : Transition Metal
Block, Period : 12, 7
Appearance : unknown
Atomic Properties
Atomic Weight : 285
Covalent Radius (pm) : n/a
Physical Properties
Matter : presumably a liquid (radioactive)
Density (kg/) : n/a
Hardness : n/a
Melting Point (K) : n/a
Boiling Point (K) : n/a
Evaporation Heat (kJ/mol) : n/a
Fusion Heat (kJ/mol) : n/a
Specific Heat (J/(kg*K) ) : n/a
Miscellaneous
Electrical Conductivity (/m ohm) : n/a
Thermal Conductivity (W/(m*K) ) : n/a

Notes

[1] From Los Alamos National Laboratory's Chemistry Division Website