| MadSci Network: Chemistry |
As far as i was able to determine from various Star Trek references including their official Website, trilithium is a radioisotope of lithium. The word appears to have been created as part of the pseudoscience of Star Trek.
Looking at the periodic table of elements, there are two natural occuring isotopes of lithium (Li). However, there have been seven additional radioisotopes created through various nuclear reactions. A table of nuclides from KAERI is mirrored at Brookhaven National Labs. All are extremely short lived (<1 second) and could be the trilithium referred to in Star Trek.
Chemically the various radioisotopes would be similar to stable, naturally occuring lithium since it would have the same electron configuration. They may have some differences similar to hydrogen-deutrium-tritium. The difference in mass would affect diffusion and other mass sensitive phenomena.
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