| Attribute | Value |
|---|---|
| Symbol | U |
| Standard state | Solid |
| Atomic mass | 238.0289 u |
| Electron configuration | [Rn]7s²5f³6d¹ |
| Oxidation states |
|
| Electronegativity (pauling scale) | 1.38 |
| Atomic radius (van der waals) | 240 pm |
| Ionization energy | 6.194 eV |
| Melting point | 1408 K |
| Boiling point | 4404 K |
| Density | 18.95 g/cm³ |
| Atomic number | 92 |
| Group name | Actinide |
| Discovered | 1789 year |
| Electron affinity | Add |