CHEMISTRY

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Across
  1. 2. elements that are excellent conductors of electricity
  2. 3. what visual evidence proves that gas is created when mixing vinegar and baking soda
  3. 7. the smallest known whole particle
  4. 8. the number of protons in an atom's nucleus
  5. 10. a physical property of when matter starts to change
  6. 12. the process where liquids become vapor
  7. 13. the process where a solid becomes a vapor
  8. 14. a chart of elements
  9. 15. a state of matter in which the molecules are packed tightly together
  10. 16. the number of protons and neutrons in an atom's nucleus
  11. 18. a mixture that is difficult to separate
  12. 20. a process that causes molecules to pack together
  13. 23. matter cannot be created or destroyed
  14. 28. an atom that has gained or lost neutrons
Down
  1. 1. the chemical formula for salt
  2. 2. a substances ability to bend or reshape
  3. 4. a state of matter where atoms are charged, far apart, and moving rapidly
  4. 5. energy cannot be created nor destroyed
  5. 6. gold
  6. 9. an example of a metallic chemical reaction
  7. 11. the process where vapor becomes liquid
  8. 17. what an atom must lose or gain to become charged
  9. 19. matter that does not react
  10. 21. matter that responds when in contact with other matter
  11. 22. a process that causes molecules to move away from each other
  12. 23. a state of matter in which molecules are close but slide by each other
  13. 24. where protons and neutrons are located
  14. 25. a measurement of how slippery matter is
  15. 26. an electrically charged atom
  16. 27. a state of matter where atoms atoms are far apart and move fast