A pure substance has been isolated in the laboratory. Based on the two characteristics below, how can the substance be classified?
I. The species cannot be separated by physical means.
II. The species can be separated by chemical means.

Question

Quizplus · Accepted Answer

A compound is characterized by its inability to be separated into its components by physical means, but it can be decomposed into simpler substances through chemical reactions, fitting the given characteristics. Elements cannot be broken down into simpler substances even by chemical means, while mixtures (homogeneous or heterogeneous) can be separated by physical methods.

A Pure Substance Has Been Isolated in the Laboratory