Chemistry Vocab

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Across
  1. 3. atoms break into nuclei and electrons, strong forces
  2. 8. quantitative data that describes a property of an object
  3. 12. the agreement among repeated measurements of the same quantity
  4. 13. a solid that forms and settles out of a liquid mixture
  5. 18. the study of the composition of matter and the changes it undergoes
  6. 19. the agreement of a set of measurements with the true value
  7. 20. anything that has mass and takes up space
  8. 21. tightly packed molecules,rigid, low movement
Down
  1. 1. seperation of solids from liquids
  2. 2. substance present at beginning of the reaction
  3. 4. substance that is produced after the reaction
  4. 5. matter that can be seperated into simpler materials by physical methods
  5. 6. a type of substance that cannot be broken down into simpler substances
  6. 7. flows easily, takes shape of container, affected by gravity
  7. 9. liquid to gas
  8. 10. matter that cannot be seperated into simpler materials
  9. 11. seperating water from other compounds
  10. 14. a type of substance that can be broken down into simpler substances
  11. 15. the amount of space that an object occupies
  12. 16. quantity of matter in an object
  13. 17. the state of matter a substance exists in