Understanding Elements, Compounds, and Mixtures

What is the simplest form of matter that is made up of atoms?

• Molecule

• Mixture

• Element

• Compound

Which of the following is a diatomic element found in nature?

• Neon

• Carbon

• Helium

• Oxygen

What do you call a molecule made up of two or more different elements that are chemically combined?

• Atom

• Element

• Mixture

• Compound

What is the chemical formula for carbon dioxide?

• C2O

• O2C

• CO2

• CO

How are the components of a mixture combined?

• Chemically

• Physically

• Both chemically and physically

• Neither chemically nor physically