Understanding Elements and Compounds

What is an element?

• A substance made of multiple types of atoms

• A substance made of only one type of atom

• A mixture of different molecules

• A compound of various elements

Which of the following is an example of a compound?

• Oxygen

• Gold

• Uranium

• Water

What is the smallest unit of a compound called?

• Element

• Atom

• Molecule

• Mixture

What type of matter is uranium?

• A molecule

• An element

• A compound

• A mixture

When multiple molecules of methane are combined, what do they form?

• An element

• A mixture

• A compound

• A single atom