Across
- 1. Atomic number 3 on periodic table
- 3. Atomic number 5 on periodic table
- 9. Atomic number 1 on periodic table
- 10. Atomic number 47 on periodic table
- 12. Atomic number 53 on periodic table
- 14. Atomic number 2 on periodic table
- 16. Atomic number 51 on periodic table
- 18. Atomic number 6 on periodic table
- 19. Atomic number 79 on periodic table
Down
- 1. Atomic number 82 on periodic table
- 2. Atomic number 52 on periodic table
- 4. Atomic number 8 on periodic table
- 5. Atomic number 10 on periodic table
- 6. Atomic number 77 on periodic table
- 7. Atomic number 4 on periodic table
- 8. Atomic number 50 on periodic table
- 11. Atomic number 7 on periodic table
- 13. Atomic number 9 on periodic table
- 15. Atomic number 86 on periodic table
- 17. Atomic number 54 on periodic table