YES
MIXTURES
Homogeneous mixture: Two or more pure substances where the properties are equal throughout the mixture. Components can be separated by physical methods.
Heterogeneous mixture: Two or more pure substances where the properties are not equal throughout the mixture.
Components can be separated by physical methods.
NO
PURE SUBSTANCES
Simple pure substance: Pure substance, so components can not be separated by physical methods, made up of only one chemical element. They can not be decomposed in simpler substances by chemical methods.
Compounds: Pure substance, so components can not be separated by physical methods, made up of two or more different chemical elements. They can be decomposed in simpler substances by chemical methods, such as electrolysis or thermal decomposition.