thorium
From Trekipedia
thorium
UFP Historical Society
| Symbol | Th |
| Atomic Weight | 232.038 |
| Atomic Number | 90 |
| Discovered | 1828 |
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Thorium, element 90, was discovered in Sweden on Earth in 1828.[1]
Notes and References
- ↑ Palestine, Eileen and Geoffrey Mandel (Editors). Star Fleet Medical Reference Manual. Star Trek. Book. Originally published by Star Fleet Productions, Inc.. Ballantine Books. 1977.
