Periodic Table Practice

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Across
  1. 4. Element with 47 protons.
  2. 6. Zirconium has __ neutrons.
  3. 7. Element with 13 electrons.
  4. 10. Element with 3 protons.
  5. 12. First element in 10th group.
  6. 13. Element with 6 protons.
  7. 15. Phosphorus has __ neutrons.
  8. 18. Element with 60 protons.
  9. 19. Element with 104 protons.
  10. 20. Lithium has __ neutrons.
  11. 21. Last element in the first group.
  12. 22. Element with 3 electrons.
  13. 23. First element in 8th group.
  14. 24. Beryllium has __ neutrons.
  15. 29. Seventh element in the sixth period.
  16. 30. Element with 86 electrons.
  17. 33. Second element in the sixteenth group.
  18. 34. Last element in the second period.
  19. 36. Element with 5 protons.
  20. 37. Element with 8 protons.
  21. 38. Magnesium has __ neutrons.
Down
  1. 1. Last element in the seventh group.
  2. 2. Element with 108 protons.
  3. 3. Seventh element in the fourth period.
  4. 5. First element in fifth period.
  5. 8. First element in 3rd group.
  6. 9. First element in 6th period.
  7. 11. Helium has __ neutrons.
  8. 14. Element with 24 electrons.
  9. 16. Element with 9 electrons.
  10. 17. Only element with no neutrons.
  11. 25. Element with 63 Electrons
  12. 26. First element in third period.
  13. 27. fourth element in the 18th group.
  14. 28. Element with 7 electrons.
  15. 31. Silicon has __ neutrons.
  16. 32. Argon has __ neutrons.
  17. 35. Gallium has __ neutrons