2. How will you classify a substance as a compound? A. A substance will be classified as as a D compound if it is represented by a chemical symbol. B. A substance will be classified as compound if it can be broken into simpler substances. C. A substance will be classified as a compound if it cannot be separated by physical of chemical means. D. A substance will be classified as a compound if it has only one kind of atom.
A pure chemical compound is a chemical substance that is composed of a particular set of molecules or ions that are chemically bonded. Two or more elements combined into one substance through a chemical reaction, such as water, form a chemical compound