Pure Substances and Mixtures

Front

What is a homogeneous mixture?

Back

A mixture that contains two or more substances uniformly combined, appearing the same throughout.

Front

What is a heterogeneous mixture?

Back

A mixture that contains two or more substances that are not uniformly combined, where the different components can be seen.

Front

What is matter?

Back

Anything that has mass and occupies space.

Front

What are pure substances?

Back

Materials that have a constant composition and consistent properties throughout, including elements and compounds.

Front

True or False: Elements are pure substances.

Back

True

Front

True or False: Compounds are pure substances.

Back

True

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A pure substance formed when two or more elements are chemically bonded together.

Front

What is a colloid?

Back

A mixture where tiny particles of one substance are evenly distributed throughout another substance.

Front

What is a suspension?

Back

A heterogeneous mixture in which solute-like particles settle out of a solvent-like phase over time.