CHEMISTRY

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Across
  1. 2. elements that are excellent conductors of electricity
  2. 5. a chart of elements
  3. 9. a mixture that is difficult to separate
  4. 10. a state of matter where atoms atoms are far apart and move fast
  5. 11. a state of matter in which molecules are close but slide by each other
  6. 13. a state of matter in which the molecules are packed tightly together
  7. 14. matter that does not react
  8. 15. the chemical formula for salt
  9. 16. the process where a solid becomes a vapor
  10. 19. an atom that has gained or lost neutrons
  11. 20. an example of a metallic chemical reaction
  12. 21. matter that responds when in contact with other matter
  13. 22. gold
  14. 23. where protons and neutrons are located
Down
  1. 1. the smallest known whole particle
  2. 2. a substances ability to bend or reshape
  3. 3. the number of protons and neutrons in an atom's nucleus
  4. 4. what visual evidence proves that gas is created when mixing vinegar and baking soda
  5. 6. the number of protons in an atom's nucleus
  6. 7. a measurement of how slippery matter is
  7. 8. what an atom must lose or gain to become charged
  8. 9. a process that causes molecules to move away from each other
  9. 12. an electrically charged atom
  10. 17. a state of matter where atoms are charged, far apart, and moving rapidly
  11. 18. a process that causes molecules to pack together