Chlorine

FACTS-atomic # 17-atomic mass 35.453-Usually found in Gas form-Nonmetal group17, Halogen-abundance = 0.01-semi conductor-not radioactive

ChlorineCL

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-the human body is 0.2 percent chlorine-the liquid form burns the skin and inhaling the gas can be fatal-sodium chloride is the most common naturaly occuring source

Chlorine was discovered in 1774 by in Sweden by Carl Wilhelm Scheele. It was used as a chemical weapon during WWI by both the Allies and the Central Powers, and caused a huge number of casualties.

-greenish yellow-0.003214 = density-melts at 171.65 K-boils at 239.11 K-has two isotopes

-used as a disinfectant in pools and drinking water-used in PVC plastic used in windows and wiring-used in making paper-used in Chlorine gas bombs introduced by the Germans in WWI

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