Unlock the Elements: Chemical Equations & Reactions

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Across
  1. 4. ____ agent that is reduced
  2. 6. The starting substances in a chemical reaction
  3. 8. Decomposition through heating
  4. 9. A reaction releasing heat and light
  5. 10. addition of oxygen.
  6. 12. A reaction where a compound breaks down
  7. 14. ____ agent that is oxidized
  8. 16. reaction where one element replaces another in a compound
  9. 17. Equation with equal numbers of atoms on both sides
  10. 18. Decomposition through electricity
Down
  1. 1. reaction that absorbs energy
  2. 2. Decomposition through Light
  3. 3. reaction that gives off heat
  4. 5. These are formed as a result of a chemical reaction
  5. 7. A reaction where substance combine
  6. 11. removal of oxygen.
  7. 13. An insoluble solid that is sometimes formed
  8. 15. speeds up a reaction but is not used up in the process