Iodine

 =Iodine=


 * Atomic Number: 53**


 * Protons:** 53


 * Electrons:** 53


 * Neutrons:** 74


 * Average Atomic Mass:** 126.904 amu


 * Isotopes:**
 * ~ Isotope ||~  ||~   ||~   ||~   ||~   ||
 * 120I ||  ||   ||   ||   ||   ||
 * 121I ||  ||   ||   ||   ||   ||
 * 122I ||  ||   ||   ||   ||   ||
 * 123I ||  ||   ||   ||   ||   ||
 * 124I ||  ||   ||   ||   ||   ||
 * 125I ||  ||   ||   ||   ||   ||
 * 126I ||  ||   ||   ||   ||   ||
 * 128I ||  ||   ||   ||   ||   ||
 * 129I ||  ||   ||   ||   ||   ||
 * 130I ||  ||   ||   ||   ||   ||
 * 131I ||  ||   ||   ||   ||   ||
 * 132I ||  ||   ||   ||   ||   ||
 * 133I ||  ||   ||   ||   ||   ||
 * 134I ||  ||   ||   ||   ||   ||
 * 135I ||  ||   ||   ||   ||


 * Discovery:** Barnard Courtois discovered Iodine in 1811. He isolated iodine from treating seaweed ash with sulphuric acid.
 * Name:** Iodine was named after the greek word "iodes" meaning "violet."


 * Uses:** Iodine's uses are gathered from lots of sources.


 * Interesting Facts**: when Iodine explodes it releases a violet gas, but an irritating odor.


 * Video:** media type="youtube" key="ARXSnu8ImqQ" height="344" width="425"

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 * Sources**:
 * Photo: http://flickr.com/photos/bionerd/2984737676/
 * Video: http://www.youtube.com/watch?v=ARXSnu8ImqQ
 * http://www.webelements.com/iodine/