Uranium (U)
A silvery-white metal in the actinide series, weakly radioactive.
One pound of uranium can produce as much energy as three million pounds of coal.
Element properties
- Atomic number
- 92
- Symbol
- U
- Atomic mass
- 238.03 u
- Category
- Actinide
- Period
- 7
- Group
- Not assigned
- Block
- f
- State
- Solid
- Electron configuration
- [Rn] 5f3 6d1 7s2
- Electronegativity (Pauling)
- 1.38
- Density
- 19.1 g/cm³
- Melting point
- 1132 °C
- Boiling point
- 4131 °C
Uses
- Nuclear power
- Nuclear weapons
- Counterweights