What Are the Characteristics of a Substance?

By Staff WriterLast Updated Apr 3, 2020 10:27:19 AM ET

Every substance has both physical characteristics, such as color and luster, as well as chemical properties, such as flammability and reactivity. Physical characteristic or physical properties are those that are easily observed without changing the substance chemically. Chemical properties represent a substance's ability to undergo chemical changes and are observable only when these changes take place.