chemical reactions and equations

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Across
  1. 3. Materials or substances that start a reaction
  2. 6. A shorter way to show chemical reactions,using symbols instead of words
  3. 7. States that during a chemical reaction,the matter cannot be created or destroyed.So the amount does not change.
  4. 9. Material or substance produced in a reaction
  5. 10. Is a number place in front of a chemical formula or symbol in a chemical equation
  6. 11. In chemistry a one-letter or two-letter set of characters used to identify an element.
Down
  1. 1. A type of reaction where elements in different compounds trade places or when an atom replaces another in a compound
  2. 2. A combination of symbols that represent the elements in a compound
  3. 4. Type of chemical reaction where a large,complex reactant compound breaks down into smaller,simpler products.
  4. 5. Shows the number of a specific atom in a molecule or the ratio of elements in a compound
  5. 8. A type of chemical reaction where two or more smaller reactants combine to form a larger,more complex product.