Question

multiple - choice question
what is aluminum classified as?
compound
element
heterogeneous mixture
homogeneous mixture

Explanation:

• A compound is made of two or more different elements chemically combined. Aluminum is not a compound.
• An element is a pure substance that cannot be broken down into simpler substances. Aluminum (\(Al\)) is an element as it consists of only one type of atom.
• A heterogeneous mixture has visibly different substances or phases. Aluminum is not a mixture.
• A homogeneous mixture has a uniform composition throughout. Aluminum is not a mixture.

Answer:

B. Element