General Properties, Where Aluminum Comes From, How Aluminum Is Obtained, Uses, Chemistry And Compounds
Aluminum is the metallic chemical element of atomic number 13. Its symbol is Al, its atomic weight is 26.98, its specific gravity is 2.70, its melting point is 1,220.5°F (660°C), and its boiling point is 4,566.2°F (2,519°C).
Aluminum is a metal in group 13 of the periodic table. Its atoms consist of a single stable isotope, 27Al. Known as aluminium in other English-speaking countries, it was named after alum, one of its salts that has been known for thousands of years and was used by the Egyptians, Greeks, and Romans as a mordant—a chemical that helps dyes stick to cloth.
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