Density
1.56 g/cm³ (liquid at melting point)
Discovery
Discovered by Carl Wilhelm Scheele in 1774.
Common Uses
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Used in water treatment and disinfection
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Integral in the production of PVC (polyvinyl chloride)
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Applied as a bleaching agent in the paper industry
Interesting Facts
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Chlorine is highly reactive and forms compounds with many elements.
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It was used as a chemical weapon during World War I.
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Chlorine gas is toxic and must be handled with care.
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