• Uranium Homepage

• Periodic Table

Tutorials

• Atomic Structure

• Electrovalent Bonding

• Covalent Bonding

• Water

• Transition Metals

• Metal or Non-metal?

• Noble Gases

General

• Element Identification Timeline

Relative atomic mass 238.029 Atomic mass (kg) 397x10-27 Density (g/cm3) 19.1 Physical State at STP Solid Melting point (°C) 1130 Boiling point (°C) 3820 Crystal Structure of solid element Orthorhombic Radioactive isotopes (11) 238U Half life 4.468×109 years

STP = standard temperature and pressure. Usually considered as room temperature and pressure.