Chemical Reactions

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Across
  1. 1. Compound is broken down into simpler substances.
  2. 3. One ion is exchanged with another.
  3. 6. One or more substances changed into new.
  4. 9. Number in front of chemical formulas in a balanced equation.
  5. 10. New substance formed and shown to right of the arrow.
Down
  1. 1. Two ions are exchanged.
  2. 2. Compound combines/forms from simple substances.
  3. 4. Reaction w/ oxygen that gives off heat and energy.
  4. 5. Representation of a chemical reaction using formulas.
  5. 7. Dissolves in water.
  6. 8. Starting substance shown to left of the arrow.