Chemistry Study Guide

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Across
  1. 3. row of elements (horizontal)
  2. 4. things on the periodic table
  3. 7. smallest particle
  4. 8. formed from chemical reactions
  5. 9. chemical element
  6. 11. release
  7. 13. gaseous element
  8. 15. column of elements (vertical)
  9. 16. smallest unit
  10. 17. thin coating of metal
  11. 18. electrons on the outside
  12. 22. two elements combined
  13. 24. letters of the element
  14. 25. center of an object
Down
  1. 1. solid material
  2. 2. 2882
  3. 5. negative charge
  4. 6. Russian chemist
  5. 10. changes during reaction
  6. 12. absorb
  7. 14. amount of protons
  8. 19. mass of element
  9. 20. lacks characteristics of metal
  10. 21. neutral charge
  11. 23. positive charge