Chemical Reaction Review

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Across
  1. 2. something that can be observed about a substance, such as color, smell, or boiling point
  2. 6. letters and numbers showing the types and number of atoms that repeat to makeup a substance
  3. 7. an ending substance that is made during a chemical reaction
  4. 10. able to cause damage
  5. 13. a substance that is added to soil to help plants grow
  6. 14. small scale to view atoms
  7. 16. a process in which atoms rearrange to form new substances
  8. 17. a structure formed by repeating groups of atoms linked together in a large network
  9. 20. Groups of atoms repeat to make up a _____
Down
  1. 1. a group of atoms joined together in a particular way
  2. 3. to change the order or position of something
  3. 4. large scale
  4. 5. the temperature at which a substance changes from the liquid phase to the gas phase
  5. 8. the relative size of things
  6. 9. something that is made of all the same atoms or groups of atoms
  7. 11. an object, diagram, or computer program that helps us understand something by making it simpler or easier to see
  8. 12. the temperature at which a substance changes from the solid phase to the liquid phase
  9. 15. the tiny pieces that all matter—all the stuff in the world—is made of
  10. 18. substances have different properties
  11. 19. a starting substance that is part of a chemical reaction