6. Alkali Metals Soft, silvery colored metals Very reactive!!! They react violently with water and oxygen so they need to be stored in oil. http://www.lyon.edu/webdata/Users/DMcDowell/GenChem/alkalishow.html
7. Alkali Metals reacting with water: http://www.youtube.com/watch?v=QSZ-3wScePM&feature=related
8. Alkaline Earth Metals Silvery-White Metals Fairly reactive Many are found in rocks in the earth’s crust