Pure Substances & Mixtures - Watch it!

How is matter found on Earth primarily classified?

• Elements and compounds

• Homogeneous and heterogeneous

• Pure substances and mixtures

• Solids, liquids, and gases

What defines a pure substance?

• A combination of substances that can be physically separated.

• A substance consisting only of atoms with varying numbers of protons.

• Either an element or a compound.

• A mixture that is uniform throughout.

How can compounds be separated into their constituent elements?

• Through physical means.

• By a chemical process.

• By filtration.

• They cannot be separated.

What is a homogeneous mixture often referred to as?

• A compound

• An element

• A solution

• A heterogeneous mixture