Periodic Table Crossword Puzzle

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Across
  1. 2. The atomic number of this element is 2.
  2. 3. The atomic number of this element is 50.
  3. 7. The atomic number of this element is 8.
  4. 8. The atomic number of this element is 86.
  5. 11. The atomic number of this element is 29.
  6. 12. Particles of the atom that has a negative charge.
  7. 15. The atomic number of this element is 7.
  8. 17. The atomic number of this element is 17.
  9. 19. The atomic number of this element is 11.
Down
  1. 1. The atomic number of this element is 47.
  2. 4. The atomic number of this element is 10.
  3. 5. Mass The number of protons and neutrons in the nucleus is called_____________?
  4. 6. The atomic number of this is 1.
  5. 9. Particles of this atom that has a positive charge.
  6. 10. the atomic number of this element is 26.
  7. 13. The atomic number of this element is 22.
  8. 14. The atomic number of this element is 3.
  9. 16. The atomic number of this element is 27.
  10. 18. The atomic number of this element is 79.