Urainum

Uraium, U
webelements.com

Physical Properties:Is a silver -white metallic chemical element it has 92 protons It can also have about 141 and 146 neutrons, urainum has the highest atomic weight of the naturally occuring elements
Boiling point:4404 K
Melting point:1405.3
Density:17.3g.cm-3
Phase:solid

Urainumas discover by a German scieties named Martin Klaprothy in 1789. Uranium is the last heaviest of the natural elements.The ownership and sale of uranium are stricty controlled by the U.S. Nuclear Regulatory Commission.It is now found in many menerals, including pitchblende. uranite, "yellow cake", and manazite sands.
Christian m, Domenech