Iodized Salt Lab Entry

Iodine is a chemical element with the symbol I and atomic number 53. Iodine and its compounds are primarily used in nutrition, the production of acetic acid and polymers. Iodine's relatively high atomic number, low toxicity, and ease of attachment to organic compounds have made it a part of many X-ray contrast materials in modern medicine. (http://en.wikipedia.org/wiki/Iodine). Iodine Is useful in our diets. Our bodies require iodine in order to function.  Metallic bond has a distinctive property because it can conduct electricity when they are solids and can bend and stretch. Polyatomic ion are different from other ions because they are made of groups of atoms that are covalently bonded.