1. ChlorineChlorine

2. Element Symbol: Cl Atomic Number: 17 Atomic Mass: 35.45

3. Isotopes: 28Cl, 29Cl, 30Cl, 31Cl, 32Cl, 33Cl, 34Cl, 34mCl, 35Cl, 36Cl, 37Cl, 38Cl, 38mCl, 38Cl, 39Cl, 40Cl, 41Cl, 42Cl, 42Cl, 43Cl, 44Cl, 45Cl, 46Cl, 47Cl, 48Cl, 49Cl, 50Cl, 51Cl Ions: 1+

4. Physical Properties Melting Point: -101.5 C, -150.7 F Density: 3.2 g/L Boiling Point: -34.04 C, -29.27 F

5. Location on Periodic Table Period: 3 Group: 17 Chlorine

6. Who discovered Chlorine Carl Wilhelm Scheele

7. When and Where Discovered When: 1774 Where: Uppsala, Sweden

8. Chlorine is used worldwide to purify water supply as the ultimate defense against waterborne microbiological infection Uses of Chlorine Chlorine is used as a disinfectant Chlorine is used in common medicines such as Clometacin analgesic (pain-killer) or Clobutinal antitussive (suppresses coughing)

9. Interesting facts about Chlorine Chlorine was discovered by the same person as Oxygen Approximately 2 million jobs in Europe are related to Chlorine Chlorine

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