| Questions | Answers |
|---|---|
| What are the products in a chemical equations? | |
| What is a chemical equation? | |
| What does the law of conservation of mass state about atoms in a chemical equation? | |
| What is a chemical reaction? | |
| What is the difference between a physical change and a chemical change? | |
| What occurs during a synthesis reaction? | |
| What is the difference between an exothermic and an endothermic reaction? |