Across
- 5. Shows what chemicals react together
- 7. Forms a new substance in a chemical reaction
- 9. Contains only one type of atom
Down
- 1. Made in a chemical reaction
- 2. Another sign of a chemical reaction
- 3. Two or more elements joined together
- 4. Sign of a gas being given off
- 6. Can increase during a chemical reaction
- 8. Found on the periodic table, Copper is Cu