radon
From Trekipedia
radon
Symbol | Rn |
Atomic Weight | 222 |
Atomic Number | 86 |
Discovered | 1900 |
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Radon, element 86, was discovered in Germany on Earth in 1900. The most stable isotope discovered had a mass of 222.[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.