The origin of the name comes from the Latin word alumen meaning alum . It is soft, lightweight, silvery-white metal. Exposed surfaces quickly form protective oxide coating.
Metal reacts violently with oxidants.
Third most abundant element in the earth's crust. 84100 ppm 3. Used for many purposes from airplanes to beverage cans. If you have comments, correction or suggestions about this site, please send me an e-mail .