Iodine

Iodine is  a loustrous, violet-black, corrosive, poisonous halogen element having a radioactive isotopes.

Physical: color, luster, freezing , melting, and boiling point, density, hardness and odor.

Chemical: rusting, burning, exploding, tarnishing.

(06-09-2014) Iodine, Chemical Element. Referenced from: http://global.britannica.com/science/iodine