periodic table
Across
- 3. atomic number 9
- 4. atomic number 3
- 6. atomic number 22
- 8. atomic number 20
- 10. atomic number 33
- 12. atomic number 29
- 13. atomic number 12
- 16. atomic number 26
- 18. atomic number 47
- 19. atomic number 10
Down
- 1. atomic number 4
- 2. atomic number 35
- 5. atomic number 19
- 7. atomic number 14
- 9. atomic number 1
- 11. atomic number 13
- 14. atomic number 6
- 15. atomic number 50
- 16. atomic number 53
- 17. atomic number 8