Chem Crossword by Omar Pagan

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Across
  1. 6. 4 bands of light(4)
  2. 7. dots as electrons(6)
  3. 8. Non-numerical info(2)
  4. 10. electrons occupy lowest energy(4)
  5. 13. negative ion(5)
  6. 15. attract electrons(5)
  7. 16. arranged elements by atomic number(5)
  8. 17. solely carbon and hydrogen(7)
  9. 19. matter not created or destroyed(3)
  10. 22. free electrons(6)
  11. 23. same element, different mass(3)
  12. 25. shape of orbital(4)
  13. 27. Study of matter properties(1)
  14. 28. atomic numbers 90-103(5)
  15. 29. Combinations of SI base units(2)
  16. 30. sharing of electron pairs(6)
  17. 32. Invented atoms(3)
  18. 33. Study of substances(1)
  19. 34. number of waves per second(4)
  20. 35. That's ________(1)
Down
  1. 1. Invented Plum Pudding model(3)
  2. 2. percentage of mass(7)
  3. 3. wavelike behavior(4)
  4. 4. mass to volume(2)
  5. 5. m*10^n(2)
  6. 9. naming system(7)
  7. 11. Use units to solve(2)
  8. 12. prefix of 6(7)
  9. 14. Same proportions of substance(3)
  10. 18. uneven distribution(6)
  11. 20. invented the periodic table(5)
  12. 21. ratios(7)
  13. 24. Fixed composition(1)
  14. 26. repulsion of electrons(6)
  15. 31. Uniform mixtures(1)