Ulery,+Julie

**Chlorine: **
**Symbol; Cl ** **Atomic number; 17 ****Atomic weight 35.453 ** **Physical Properties, melting point density molar volume thermal conductivity; superconductivity temperature: hardness ****Boiling point: -34.04 degrees C ** **Melting Point;-101.5 degrees ** **A chlorine atom has 7 valence electrons as the other halogens ** **Density (g/cm3) ; 3.21 ** **[|Electron configuration; [ Ne 3s2 3p5]] ** **[|Elemental chlorine]is released into water for drinking or swimming to control bacterial and fungal growth. ** **Cl2, is a greenish dense gas that has been used in wartime as a poison gas**.
 * W[|ho discovered Chlorine:]Carl Wilhelm Scheele, who discovered chlorine in 1774 **
 * Atomic Volume ****:22.7cm cubed/mol **


 * A + B---AB **

__**<span style="font-family: 'Poor Richard','serif'; font-size: 19px;">Bohr model **__
 * <span style="font-family: 'Poor Richard','serif'; font-size: 19px;">Chlorine cost; $0.024 **

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 * <span style="font-family: 'Poor Richard','serif'; font-size: 19px;">2 protons 2electrons 2neutrons **
 * __<span style="color: black; font-family: 'Poor Richard','serif'; font-size: 19px;">Other Unusual Facts __**
 * <span style="font-family: 'Poor Richard','serif'; font-size: 19px;">A highly irritating greenish yellow gaseous halogen, capable of combining with all other products. **
 * <span style="color: #333333; font-family: 'Verdana','sans-serif'; font-size: 13px;">WebElements: the periodic table on the WWW [[]] **