Chemistry Crossword

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Across
  1. 1. Phosphorus tetrachloride
  2. 4. li2o
  3. 6. Elements 89-103
  4. 7. Tetraphosphorus Trioxide
  5. 10. Alkali earth metals have a charge of ___
  6. 12. Nitrogen sulfide
  7. 15. Sn
  8. 16. Dinitrogen Oxide
  9. 17. Lowest energy electron
  10. 19. Cu
  11. 20. ___ model
  12. 22. Sum of protons and neutrons in the nucleus.
  13. 24. Column 17
  14. 26. Carbon dioxide
  15. 27. Dicarbon sulfide
Down
  1. 2. Elements 57-71
  2. 3. Aluminum chloride
  3. 5. Halogens have a charge of ___
  4. 8. First column has a charge of ___
  5. 9. 1s2 2s2 2p6 3s2 3p6 ___
  6. 11. Outer shell
  7. 13. Size of an atom
  8. 14. Beryllium nitride
  9. 18. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 ___
  10. 21. ___ have less electrons
  11. 23. ___ shells on an atom
  12. 25. ___ have more electrons