praseodymium
From Trekipedia
praseodymium
UFP Historical Society
| Symbol | Pr |
| Atomic Weight | 140.907 |
| Atomic Number | 59 |
| Discovered | 1885 |
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Praseodymium, element 59, was discovered in Austria on Earth in 1885.[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.
