Types of Chemical Reactions

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Across
  1. 2. substances that are produced in a chemical reaction
  2. 5. a list of elements in decreasing order of their reactivity
  3. 7. Whenever a compound breaks down into two or more simpler substances
  4. 8. Whenever one element takes the place of another
Down
  1. 1. replacement reaction Whenever two ionic compounds trade cations
  2. 3. Whenever hydrocarbons combine rapidly with oxygen
  3. 4. Whenever two or more substances combine to form a single product
  4. 6. substances that are initially present in a chemical reaction