Periodic table

123456789101112131415161718192021
Across
  1. 4. - Atomic number 20
  2. 7. - Atomic number 79
  3. 9. - Atomic number 7
  4. 14. - Atomic number 94
  5. 16. - Atomic number 4
  6. 17. - Atomic number 1
  7. 18. - Atomic number 26
  8. 19. - Atomic number 15
  9. 21. - Atomic number 47
Down
  1. 1. - Atomic number 28
  2. 2. - Atomic number 30
  3. 3. - Atomic number 8
  4. 4. - Atomic number 29
  5. 5. - Atomic number 12
  6. 6. - Atomic number 19
  7. 8. - Atomic number 2
  8. 10. - Atomic number 6
  9. 11. - Atomic number 16
  10. 12. - Atomic number 3
  11. 13. - Atomic number 22
  12. 15. - Atomic number 92
  13. 20. - Atomic number 11