Across
- 2. the 30th element
- 4. only 6 elements on the periodic table are this
- 6. the name to group 18
- 9. the name to group 17
- 10. the 88th element
- 11. the 5th element
- 12. The name to group 13
- 13. the 3rd element
- 14. the name to group 14
- 19. the 1st element
- 20. the name to the group 2
Down
- 1. only 86 elements on the periodic table are this
- 3. the name to group 15
- 5. the 14th element
- 7. the name to group 4 - 12
- 8. the 50th element
- 15. the name to group 1
- 16. the name to group 16
- 17. the 28th element
- 18. the 82st element