Question

question 5 select all features of a mixture. represented by an element symbol identified by a chemical formula consists of multiple compounds/elements consists of one type of atom groups in a sample are different

Explanation:

A mixture is composed of multiple compounds or elements. Its components are not chemically combined and can vary in proportion. Elements are represented by element symbols and pure - substances by chemical formulas. A substance with one type of atom is an element. In a mixture, the groups (components) in a sample can be different.

Answer:

consists of multiple compounds/elements, groups in a sample are different