Chapter 13 Chemical Reactions Crossword- Marissa Van Denk

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Across
  1. 6. a chemcial reaction that gives away a material but doesn't receive a material back
  2. 7. how quickly the concentration of reactants decreases and how quickly the concentration of products increases.
  3. 9. reaction having a net absorption of energy
  4. 10. the amount of energy required to pull two bonded atoms apart, which is the same amount of energy released when they are brought together.
  5. 11. a chemcial reaction that occurs when compounds trade elements or gives away an element and gets a new one back
  6. 12. a chemical reaction that releases large amounts of energy and creates oxides. It requires oxygen.
Down
  1. 1. one or more new compounds are formed as a result of the rearrangement of atoms
  2. 2. reaction having a net release of energy
  3. 3. no atoms are gained or lost during any reaction. Instead, atoms simply change partners to form new materials
  4. 4. the minimum energy required to overcome the inital breaking of bonds in reactants.
  5. 5. a chemical reaction that builds a bigger compound from simpler materials
  6. 8. a chemical reaction that breaks down a compound