Periodic Table
Across
- 2. period 2, group 3
- 7. period 3, group 6
- 8. period 2, group 4
- 10. period 2, group 1
- 12. period 4, group 1
- 13. period 2, group 6
- 14. period 4, group 0
- 16. period 5, group 4
- 17. period 1, group 1
- 20. period 2, group 7
- 22. period 4, group 7
- 23. period 3, group 1
Down
- 1. period 5, group 0
- 3. period 7, group 2
- 4. period 7, group 1
- 5. period 1, group 0
- 6. period 3, group 2
- 7. period 3, group 4
- 9. period 3, group 7
- 11. period 6, group 4
- 15. period 2, group 5
- 18. period 2, group 0
- 19. period 4, group 2
- 21. period 5, group 7