| Questions | Answers |
|---|---|
| Substance that takes part in and undergoes change during a reaction. | Reactant |
| Basic building blocks of ordinary matter. | Atoms |
| A quantity placed before and multiplying the varible. | Coefficient |
| Physical Substance in general | Matter |
| A way of presenting information about the chemical compound. | Chemical Formula |
| written or printed below the line. | Subscript |
| Can neither be created or destroyed. | Law of Conservation of mass |