Uranium
Actinide| Atomic number | 92 |
|---|---|
| Category | Actinide |
| Atomic mass | 238.03 |
| Electron configuration | [Rn]5f³ 6d¹ 7s² |
| Oxidation states | +4, +6 |
| Electronegativity | 1.38 |
| Melting point | 1,132 °C |
| Boiling point | 4,131 °C |
| Density | 19.1 g/cm³ |
| Crystal structure | Orthorhombic |
| Period | 7 |
| Block | f |
| Discovered | 1,789 |
| Crustal abundance | 2.7 ppm |