Chemical Reaction Review

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