Basic Information

Name: Uranium 
Symbol: U 
Atomic Number: 92 
Atomic Mass: 238.0289 amu 
Melting Point: 1132.0 °C (1405.15 K, 2069.6 °F) 
Boiling Point: 3818.0 °C (4091.15 K, 6904.4 °F) 
Number of Protons/Electrons: 92 
Number of Neutrons: 146 
Classification: Rare Earth 
Crystal Structure: Orthorhombic 
Density @ 293 K: 18.95 g/cm3 
Color: silverish
Date of Discovery: 1789 
Discoverer: Martin Klaproth 
Name Origin: After the planet Uranus 
Uses: fuel for nuclear reactors 
Obtained From: many rocks, large amounts in pitchblende and carnotite