||a pure substance composed of 2 or more elements chemically combined in definite proportions.
||composed of different substances or different phases of the same substance such as solid ice and liquid water–that are not evenly distributed throughout the mixture.
||has uniform composition and properties throughout
||a pure substance that cannot be separated into simpler substances by chemical means.
||a combination of 2 or more substances in which each substance retains its own chemical identity.
||a mixture containing large, dispersed solid particles that can settle out or be separated by filtration