Name :  Uranium
Symbol :  U
Atomic Number :  92
Atomic Weight :  238.0289
Specific Heat :  0.12 J/gK
Melting Point :  1132°C
Vaporization :  477.0 kJ/mol
Boiling Point :  3818°C
Electronegativity :  1.38
Density@293 K :  18.9 g/cm³
Discovered :  Martin Klaproth, Germany, 1789
Description :  Silvery-white, dense, ductile, malleable, radioactive metal.
Uses :  For many centuries it was used as a pigment for glass. Now it is used as a fuel in nuclear reactors and in bombs.