Across
- 1. substance that is formed during a chemical reaction
- 3. starting substance in a chemical reaction
- 4. zinc metal and sulfur powder are heated
- 6. statement showing chemical change using chemical formulas
- 7. done by placing coefficients in front of the formulas
- 8. ↔, shows that the reaction is reversible and can go in both directions
Down
- 2. process where substances interact to form new ones
- 5. indicates the application of heat to the reactants