Across
- 2. has the symbol Ag
- 4. is the 33rd element
- 8. is the 53rd element
- 10. is the 22nd element
- 11. is the 18th element
- 15. is the 31st element
- 18. is the 1st element
- 19. is the 2nd element
- 20. is the 47th element
Down
- 1. has the Fe symbol
- 3. is the 28th element
- 5. is the 82nd element
- 6. is the 19th element
- 7. is the 7th element
- 9. is the tenth element
- 12. is the 106th element
- 13. is the 16th element
- 14. is the 11th element
- 16. is the 80th element
- 17. is the 8th element