Interactions of Matter PS.8.1.1

Front

Element

Back

A substance that cannot be broken down into simpler substances by chemical means. It consists of atoms all having the same number of protons.

Front

Compound

Back

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

Front

Pure Substance

Back

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

Front

Atom

Back

The smallest unit of an element, consisting of protons, neutrons, and electrons.

Front

Particle

Back

A small portion of matter, which can be an atom, molecule, ion, etc.

Front

Mixture

Back

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

Front

Heterogeneous Mixture

Back

A mixture in which the components are not uniformly distributed, and different parts of the mixture have different compositions.

Front

Homogeneous Mixture

Back

A mixture in which the components are uniformly distributed, and the composition is consistent throughout.