Aluminium, also called aluminum, is a chemical d from the Latin name for alum, ‘alumen’ meaningbitter salt. It was first mentioned in 1825 and observed by H.C.Ørsted. The isolation was later accomplished and announced by H.C.Ørsted. “Al†is the canonical chemical symbol of aluminium. Its atomic in the periodic table of th location at Period 3 and Group 13, belonging to the p-block. The relative atomic mass of aluminium is 26.9815386(8) Dalton, the in the brackets indicating the uncertainty.
When evaporated in a vacuum, aluminum layers form a reflective coating found on telescopes, automotive headlamps, mirrors, packages, and toys. It is widely used in the aerospace, automotive lighting, OLED, and optical industries.
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