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Chlorine (symbol Cl) is a chemical element, atomic number 17 on the periodic table.

Characteristics and history[]

Chlorine has an atomic mass of 35.453. This element was discovered by Humans for the first time on Earth's European continent, in Sweden in the year 1774. (ST reference: Star Fleet Medical Reference Manual)

Benzites inhale chlorine which they then exhale as carbon trichloride, by-product of respiration where the chlorine is combined with carbon. (DS9 novel: Devil in the Sky)

Tholians' biology meant that they breathe through a form of anaerobic respiration with a methane-chlorine mixture being used. (Decipher RPG module: Aliens)

The ecosystem of planet Arak III is dominated by poisonous plants, which expel gases such as ammonia, chlorine and camphor. (ST reference: The Starfleet Survival Guide)

Chlorine gas was one of the chemical weapons used by both the Humans and the Tarn on Torgu-Va. The Humans used a mortar to deliver the gas. (TNG novel: The Forgotten War)

See also[]

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