1. Chlorine Brendan McHale A Period

2. Properties of Chlorine Category/Group is halogens Reactivity is with all elements except Noble Gases Density is 3.214 g/l

3. Properties of Chlorine Melting point is 171.65 K (-101.5°C or -150.7°F) Boiling point is 239.11 K (-34.04°C or -29.27°F) The state of matter is a gas

4. History Discovered by Carl Wilhelm Scheele Was discovered in 1774 Found greenish –yellow gas that was oppressive to lungs Scheele was studying mineral pyrolusite while discovered

5. Uses of Chlorine One of the most popular uses is Clorox bleach Also used in Chlordane A common use is also salt Also salt bricks

6. Works Cited "Carl Wilhelm Scheele - Google Search." Google. N.p., n.d. Web. 2 Dec. 2010.. "Chlordane, a sample of the element Chlorine in the Periodic Table." The Photographic Periodic Table of the Elements. N.p., n.d. Web. 2 Dec. 2010.. "Clorox bleach, a sample of the element Chlorine in the Periodic Table." The Photographic Periodic Table of the Elements. N.p., n.d. Web. 2 Dec. 2010.. "It's Elemental - The Element Chlorine." Science Education at Jefferson Lab. N.p., n.d. Web. 9 Dec. 2010.. Newton, David E., and Lawrence W. Baker. Chemical elements from carbon to krypton. detroit: U·x·l, 1999. Print. "Periodic Table." Behrend Chemistry Home. N.p., n.d. Web. 1 Dec. 2010.. "Pictures, stories, and facts about the element Chlorine in the Periodic Table." The Photographic Periodic Table of the Elements. N.p., n.d. Web. 2 Dec. 2010.. "WebElements Periodic Table of the Elements | Chlorine | crystal structures." WebElements Periodic Table of the Elements. N.p., n.d. Web. 1 Dec. 2010..