Characteristics and historyEdit
Xenon has an atomic mass of 131.30. This element was discovered by Humans for the first time on Earth's European continent in England, in the year 1898. (ST reference: Star Fleet Medical Reference Manual)
- TNG episode: "Legacy"
- ST reference: Star Fleet Medical Reference Manual
- DS9 reference: Star Trek: Deep Space Nine Technical Manual
- ENT episode: "The Crossing"
- VOY episode: "Hope and Fear"
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