The Halogens: Fluorine, Chlorine, Bromine, and Iodine | Scie
Thursday 29th of July 2010 10:48:10 PM
Posted by admin / Under Astatine
| The four halogens Fluorine (F), Chlorine (Cl), Bromine (Br), and Iodine (I) are very reactive. I left out Astatine (At) because it's so rare (yes, even more than Francium). |
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