1. Martina Sigetová Alena Kořínková
Chlorine
Martina Sigetová
Alena Kořínková

2. 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

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

4. 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

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

6. 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

7. Thank you for your attention!