Is aluminum foil an element or compound?

Aluminium foil is only made up of aluminium atoms itself and the formula of aluminium foil will be “Al” like aluminium element. Compounds are made up of more than one elements mixed together in definite proportion. Examples of compound are : H20 , HCl , Na2SO4…..etc. read more

Aluminum is an element. If there's nothing else in the foil besides aluminum, then the foil is entirely an element. read more

Aluminum foil would be probably be considered an element unless it's treated in the manufacturing process. However, aluminum is easily oxidized to Al2O3 so the exposed surface would be a compound. read more