Aluminum (or aluminum, Al Icon). ductile metal silver color. Atomic number 13 species. Typically in the form of bauxite ore in nature and is known for its superior resistance to oxidation. This feature passivation resistance on the basis of lies. The arms industry many millions of different products are being used in the construction of a very important place in the world economy. Made of aluminum structural components for the aerospace and aviation industry is indispensable. Lightness and is widely used in high strength properties that require transportation and construction industries.