chemistry final crossword

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Across
  1. 2. set of things working together as parts of a mechanism system of parts working together in a machine
  2. 5. the basic unit of a chemical element
  3. 7. when giving information about something
  4. 8. become smaller or fewer in size
  5. 9. substance made by mixing things together
  6. 11. the process of burning something
  7. 12. type of elementary particle
  8. 16. a subatomic particle
  9. 19. system made available for consumer use
  10. 20. something use for water
  11. 21. send something to air
  12. 22. the work that a certain force can do
  13. 24. a natural movement of air of any velocity
Down
  1. 1. keeping or showing a fair
  2. 3. measure of the amount of matter in an object
  3. 4. to speak to others
  4. 6. the carrying capacity of an aircraft or launch
  5. 8. substance is its mass per unit volume
  6. 10. make greater in size,or amount
  7. 13. the rate at which someone is able to move
  8. 14. forth with sudden violence
  9. 15. something that is hard and solids
  10. 17. change which is a result
  11. 18. book forming part of a work or series
  12. 23. the solid surface of the earth