=> Aluminium (Al), Atomic number 13,Oxidation number 3 (Al3+),Hardness 2.8 mohs .It is soft,durable,100% recyclable Metal & silvery-gray in color,it's most abundant metal in the Earth. Aluminium is 2nd most used Metal(just after Iron).It's common used in Industries,Transportation,Air crafts, Pipes,Cooking materials,Candy wrapper,sports events.
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