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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.
Download as PDF; Printable version; In other projects ... Appearance. move to sidebar hide. Help. Pages in category "Spanish essays" The following 5 pages are in this ...
Alum in the form of potassium aluminium sulphate or ammonium aluminium sulfate in a concentrated bath of hot water is regularly used by jewelers and machinists to dissolve hardened steel drill bits that have broken off in items made of aluminum, copper, brass, gold (any karat), silver (both sterling and fine) and stainless steel. This is ...
How the Metal Was Discovered. Scientists and technologies associated with the first attempts to produce pure aluminium; the beginning of the industrial production of the metal and birth of aluminium manufacturing in different countries of the world; use of cryolite; deployment of aluminium in the 19th century; first machine-made aluminium products.
But why not resolve this dispute by calling aluminium aluminum aluminium aluminum the thirteenth element on the periodic table "niluntrium" (derived from the IUPAC systematic element names. And it would have the symbol "Nut", which is pretty much how I'd sum up this dumb debate. -- 116.14.27.127 ( talk ) 14:32, 3 June 2009 (UTC)
The assertion that "Aluminium is the element, Aluminum is the alloy" contradicts established scientific consensus. According to the IUPAC (International Union of Pure and Applied Chemistry), the correct term for the element with atomic number 13 is "Aluminium". In American English, the term "Aluminum" refers to the same element, not an alloy.
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The Spanish language is one of many major languages with limited use in science and technology. The main cause of this is the proliferation of English in scientific writing, which has been ongoing since English displaced French and German as the languages of science in the first half of the 20th century. [9]