Aluminium - Wikipedia
网页Aluminium (or aluminum in North American English) 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 the surface when exposed to air.
Aluminum | Uses, Properties, & Compounds | Britannica
网页3 天之前 · Aluminum is the most abundant metallic element in Earth ’s crust and the most widely used nonferrous metal. Because of its chemical activity, aluminum never occurs in the metallic form in nature, but its compounds are present to a greater or lesser extent in almost all rocks, vegetation, and animals.
Aluminum vs. Aluminium: Is There a Difference? - Merriam-Webster
网页The form aluminum is in common use in mining, manufacturing, and the trade in the United States; the form aluminium is used with practical uniformity in Great Britain and generally by chemists in the United States.
Aluminium - Element information, properties and uses ...
网页Element Aluminium (Al), Group 13, Atomic Number 13, p-block, Mass 26.982. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.
Aluminum: occurrence, uses, and compounds | Britannica
网页aluminum, Metallic chemical element, chemical symbol Al, atomic number 13. A lightweight, silvery white metal, it is so reactive chemically that it always occurs in compounds. It is the most abundant metallic element in Earth’s crust, chiefly in bauxite (its principal ore), feldspar s, mica s, clay minerals, and laterite.
Aluminum - introduction, properties, manufacture, and uses
网页2024年1月21日 · In short, you'd probably come up with a material like aluminum (spelled aluminium in some countries—and that's also the official IUPAC spelling). It's the commonest metal in Earth's crust (making up ~8 percent of it), the third most plentiful chemical element on our planet (only oxygen and silicon exist in greater quantity), and …
Aluminium: Specifications, Properties, Classifications and ...
网页2005年5月17日 · Aluminium is the world’s most abundant metal and is the third most common element comprising 8% of the earth’s crust. The versatility of aluminium makes it the most widely used metal after steel.
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