| Chlorine [Cl] (CAS-ID: 7782-50-5) | |
| An: 17 N: 18 Am: 35.453 | |
| Group No: 17 Group Name: Halogen | |
| Block: p-block Period: 3 | |
| State: gas at 298 K | |
| Colour: yellowish green Classification: Non-metallic | |
| Boiling Point: 239.1K (-34.04'C) | |
| Melting Point: 172.16K (-101.5'C) | |
| Density: 3.2g/l | |
 Discovery Information |
| Who: Karl Wilhelm Scheele |
| When: 1774 |
| Where: Sweden |
| Name Origin |
| Greek: khloros (green). |
| Sources |
| Never found in free form in nature. Salt (sodium chloride, NaCl) is its most common compound. Chlorine is about two and a half times as heavy as air. |
| Uses |
| Used widely in paper product production, antiseptic, dyestuffs, food, insecticides, paints, petroleum products, plastics, medicines, textiles, solvents, and many other consumer products. Also found in water purification, bleaches and in other compounds such as chloro fluorocarbons (CFC). |
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