Question

Question , what is aluminium ?? , what is water ?? , what is sea breeze ?? , what is buccal cavity ?? ,
I don't want any same answer , I just want a single sentence to describe the question ,​

Answer 1

Answer:

1 Aluminium is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has a great affinity towards oxygen, and forms a protective layer of oxide on the surface when exposed to air.