U
Uranium
Element 92 · Actinide · Period 7, Group 6
Solid · Discovered 1789
Atomic Properties
| Atomic Number | 92 |
| Atomic Mass | 238.0289u |
| Electron Configuration | [Rn]7s2 5f3 6d1 |
| Electronegativity | 1.38Pauling |
| Atomic Radius | 240pm |
| Ionization Energy | 6.194eV |
| Oxidation States | +6, +5, +4, +3 |
Physical Properties
| Standard State | Solid |
| Melting Point | 1408K |
| Boiling Point | 4404K |
| Density | 18.95g/cm³ |
| Group Block | Actinide |
| Year Discovered | 1789 |