Clumsy Chemistry Crossword

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Across
  1. 3. A chemical reaction where the reactants break down
  2. 6. The number put before listed chemicals to balance equations
  3. 7. The small numbers that follow listed chemicals that tell us how many there are.
  4. 9. Replacement A chemical reaction that follows the pattern AB+CD= AD+CB
  5. 11. Sharing of electrons between atoms
  6. 12. A chemical reaction that is also called combination and follows the pattern A+B=C
Down
  1. 1. The chemicals that come before the arrow and make the products
  2. 2. The chemicals that reactants make after a reaction takes place
  3. 4. Chemically bound elements or elements chemically mixed
  4. 5. A chemical equation where the products are always water and carbon dioxide
  5. 8. Element An element that cannot stand alone
  6. 10. An atom that that has gained or lost electrons and has a positive or negative charge
  7. 12. Replacement A chemical reaction that follows the pattern A+BC=B+AC