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Across
  1. 3. Mg
  2. 6. C
  3. 11. The best class at TMS
  4. 12. H
  5. 13. Ancient Greek who believed in atoms
  6. 15. Ancient Greek who did not believe in atoms
  7. 17. A student in our Chemistry class
  8. 18. P
  9. 20. Li
  10. 21. He
  11. 22. A student in our Chemistry class
  12. 25. Na
  13. 26. Ar
Down
  1. 1. Al
  2. 2. Ne
  3. 4. S
  4. 5. B
  5. 7. O
  6. 8. Be
  7. 9. N
  8. 10. K
  9. 11. Cl
  10. 14. F
  11. 16. Ca
  12. 19. Si
  13. 23. The queen of the Library @TMS
  14. 24. A student in our Chemistry class