For other uses, see Aluminium (disambiguation). Aluminium (Aluminum in North American English) is a chemical element; it has symbol Al and atomic number 13.
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Aluminium
Chemical element
Aluminium is a chemical element; it has symbol Al and atomic number 13. Aluminium has a density lower than that of other common metals, about one-third that of steel. It has a great affinity towards oxygen, forming a protective layer of oxide on... Wikipedia
Aluminum is the most abundant metal, and the third most abundant element in the Earth's crust. Human exposure to this metal is common and unavoidable. However, ...