Question

Essay on alluminium is one of the most useful metals

Answer 1

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⤵⤵Answer⤵⤵

Aluminium is an excellent conductor of both heat and electricity. The great advantage of aluminium is that by weight, the conductivity of aluminium is around twice that of copper.They do however, have a low strength and need to be reinforced with a galvanised or aluminium coated high tensile steel wire in each strand.✔✔✔

Atomic no. of Aluminium is 13 , and the atomic weight / mass of Aluminium is 26.981539 u .

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Answer 2

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Aluminium (also spelled aluminum) is a chemical element with symbol Al and atomic number 13. It is a silvery-white, soft, nonmagnetic and ductile metal in the boron group. By mass, aluminium makes up about 8% of the Earth's crust; it is the third most abundant element after oxygen and silicon and the most abundant metal in the crust, though it is less common in the mantle below. The chief ore of aluminium is bauxite. Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments. Instead, it is found combined in over 270 different minerals.

Aluminium is remarkable for its low density and its ability to resist corrosion through the phenomenon of passivation. Aluminium and its alloys are vital to the aerospace industry and important in transportation and building industries, such as building facades and window frames.The oxides and sulfates are the most useful compounds of aluminium.

Despite its prevalence in the environment, no known form of life uses aluminium salts metabolically, but aluminium is well tolerated by plants and animals.Because of these salts' abundance, the potential for a biological role for them is of continuing interest, and studies continue.

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