Unit 5 Classification and Interactions of Matter

Front

A material that has a constant composition and has consistent properties throughout the sample.

Back

Pure substance

Front

A combination of two or more substances where each retains its own properties and can be physically separated.

Back

Mixture

Front

The smallest unit of a substance that retains the chemical identity of that substance, such as atoms, molecules, or ions.

Back

Representative particle

Front

A mixture that has a uniform composition and appearance throughout.

Back

Homogeneous

Front

A mixture that consists of visibly different substances or phases.

Back

Heterogeneous

Front

A mixture where very small particles of one substance are evenly distributed throughout another without settling out.

Back

Colloid

Front

A heterogeneous mixture in which solute-like particles settle out of a solvent-like phase some time after their introduction.

Back

Suspension

Front

A process that separates solids from liquids or gases using a filter medium that allows only the fluid to pass through.

Back

Filtration

Front

The liquid that has passed through a filter.

Back

Filtrate

Front

The process of turning from liquid into vapor.

Back

Evaporation