Saturday, January 30, 2010

Brianna R

1. Name and Symbol of element: Chlorine, Cl
2. Atomic number: 17
3. Mass number: 350453
4. Melting point: 100.98 degrees celsius
5. Boiling point: -34.6 degrees celsius
6. Normal phase: gas
7. Element family: halogen
8. Name of discoverer and date of discovery: Carl Wilhelm Scheele, 1774

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