zirconium
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zirconium
Symbol | Zr |
Atomic Weight | 91.22 |
Atomic Number | 40 |
Discovered | 1789 |
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Zirconium, element 40, was discovered in Germany on Earth in 1789.[1]
Wikipedia
Notes and References
- ↑ Palestine, Eileen and Geoffrey Mandel (Authors). Star Fleet Medical Reference Manual. Star Trek. Book. Originally published by Star Fleet Productions, Inc. Ballantine Books. 1977.