Chemical Reaction vocab

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Across
  1. 4. chemical equation that does not indicate the relative amounts of the reactants and products
  2. 5. show the substance present before the reaction
  3. 7. chemical change in which an element or a compound reacts with oxygen often producing heat and light.
  4. 8. a chemical change in which two or more substances react to form a single substance
  5. 10. compound composed of hydrogen and carbon
Down
  1. 1. chemical change involving an exchange of positive ions between two compounds
  2. 2. chemical change in which a single compound break down into two or more products
  3. 3. chemical change in which one element replaces a second element in a compound
  4. 6. substance present after the reaction
  5. 9. lists the relative reactivities of elements within groups like halogens.