Martina Sigetová Alena Kořínková

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Presentation transcript:

Martina Sigetová Alena Kořínková Chlorine Martina Sigetová Alena Kořínková

properties Chemical element with atomic number 17 Symbol Cl Diatomic molecule with the formula Cl2 A halogen Green gas Combines with metals and non-metals

History Chlorine was discovered in 1774 by Swedish chemist Carl Wilhelm Scheele Chlorine was given name in 1810 by Sir Humphry Davy

Chlorine was first used as a weapon against humans in World War I by Germany 1915 in the Second Battle of Ypres. Fritz Haber was a German chemist, who received the Nobel Prize in Chemistry for his work in developing chlorine Developing = rozvíjení

Occurrence In oceans (mainly in the Dead sea) As HCl in our stomach Common chloride minerals include halite, sylvite and carnallite.

Applications and Uses Chlorine is a chemical important for some processes of water purification, in disinfectants, and in bleach Used widely in paper product production, antiseptic, dyestuffs, food, insecticides, paints, petroleum products, plastics, medicines, textiles, solvents, and many other consumer products. Bleach=bělení Dyestuffs=barviva

Thank you for your attention!