Chemical Equations

12345678910
Across
  1. 5. A reaction where two substances combine
  2. 6. A substance that starts a chemical reaction
  3. 7. The small number in a formula that shows how many atoms
  4. 9. A reaction that absorbs heat
  5. 10. Reaction where atoms swap partners
Down
  1. 1. A substance formed in a chemical reaction
  2. 2. When the number of atoms is equal on both sides
  3. 3. A reaction that releases heat
  4. 4. The number in front of a chemical formula
  5. 8. A reaction where a compound breaks apart