Perf 10 Reactions

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Across
  1. 2. A material that causes a reaction to happen faster
  2. 5. The molecules formed from a reaction (right of the arrow)
  3. 7. A material that causes a reaction to happen slower
  4. 9. Two or more atoms or molecules bonding to form new molecules
  5. 10. A reaction that combines two or more atoms to a more complex form
Down
  1. 1. A way of writing out chemical reactions
  2. 3. A reaction that breaks down a molecule to its simpler form
  3. 4. The large number that shows how many of an atom or molecule there are in a reaction
  4. 6. A reaction that replaces two or more atoms from the reactant (simple or complex)
  5. 8. The molecules or atoms that bond in a reaction (left of the arrow)