Atoms

1234567891011121314151617181920
Across
  1. 3. each row across the periodic table
  2. 5. The number of protons in the nucleus of an atom.
  3. 11. he founded the electron
  4. 12. where all elements are and it also helps scientists
  5. 15. he founded atom and he called it atomos
  6. 17. the first ever model created
  7. 19. each column in the periodic table
  8. 20. I proud to be a ? (pun)
Down
  1. 1. located in the nucleus and it has a postive charge
  2. 2. a very small center of an atom
  3. 4. he made the first ever periodic table
  4. 6. This man followed the yellow brick road? (pun)
  5. 7. a diagram, a mental picture or an object that helps explain ideas
  6. 8. what do you do to a wrinkled shirt? (pun)
  7. 9. The sum of protons and neutrons in the nucleus of an atom.
  8. 10. located around the nucleus and it has a negative charge
  9. 13. not an exciting person? (pun)
  10. 14. located in the nucleus and its neutral charge
  11. 16. a fur seller? (pun)
  12. 18. place wear you wash the dishes? (pun)