Scientists use the physical and chemical properties to help them identify and classify matter. These physical and chemical properties are in a macro-perspective, in which these matter contains compounds, elements and atoms. Hence, matter can be classified in various ways, <span><span> 1. </span>Atomic number either atomic mass each element has</span> <span><span>2. </span>By substance of that matter either pure substance or mixed substance</span> <span> 3. If they cannot reduce a certain substance into a much smaller quantified atomic structure then they they’ll use (2) to identify and classify it.</span>
