| Name: | Uranium |
| Symbol: | U |
| Atomic Numer: | 92 |
| Atomic Weight: | 238 |
| Melting Point: | 1405 K |
| Boiling Point: | 2070 K |
Uranium is a radioactive element used as fuel for nuclear reactors and nuclear weapons. One important Federation source of uranium is the planet Janus VI. (TOS: "The Devil in the Dark")