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* {{wikipedia|Actinides}} |
* {{wikipedia|Actinides}} |
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Revision as of 21:24, 31 January 2013
Actinides was the family of elements with atomic numbers 89 through 102. Actinium was the first in the series of actinides, and the family is named after it.
The spaceborne organism nicknamed "Junior", discovered by the USS Enterprise-D in 2367, had an outer shell made from silicates, actinides, and carbonaceous chondrite. (TNG: "Galaxy's Child")
In 2367, Klingon Ambassador Kell and Lieutenant Worf discussed a tactical situation, they concluded that the presence of actinides in the Ikalian asteroid belt made it difficult for the Enterprise-D to locate Kriosian rebels. (TNG: "The Mind's Eye")
Actinides
- #90 Thorium (Th)
- #92 Uranium (U)
- #94 Plutonium (Pu)
- #98 Californium (Cf)