Vocab

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Across
  1. 3. negative charge
  2. 5. number of atoms in a molecule
  3. 8. outermost shell
  4. 9. distance from nucleus to outermost shell
  5. 11. charge of protons and neutrons
  6. 13. group 18
  7. 18. shaped without breaking
  8. 19. area around the nucleus
  9. 20. organizes elements
  10. 21. positive charge
  11. 23. protons and neutrons
  12. 24. rows
  13. 25. neutral charge
  14. 26. paricles within an atom
Down
  1. 1. center of an atom
  2. 2. middle of the periodic table
  3. 4. represents an element
  4. 6. drawn into thin wire
  5. 7. combine chemically
  6. 10. number of protons
  7. 12. shells
  8. 14. smallest particle of an element
  9. 15. group 17
  10. 16. purest form of an element
  11. 17. dalton
  12. 22. columns