Chemistry Review

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Across
  1. 3. tool chemists use
  2. 4. two or more elements chemically combined
  3. 7. center of the atom
  4. 11. ability to be hammered into sheets
  5. 13. how harmful a substance is
  6. 14. how acidic a substance is
  7. 15. the amount of matter in something
  8. 16. space something takes up
Down
  1. 1. ability of a substance to react
  2. 2. negatively charged subatomic particle
  3. 3. positively charged subatomic particle
  4. 5. neutral subatomic particle
  5. 6. compactness of a substance
  6. 8. changes the chemical makeup of a substance
  7. 9. building block of matter
  8. 10. change that does not change the chemical composition of a substance
  9. 11. anything that has mass and takes up space
  10. 12. simplest form of pure matter