Periodic Table Crossword
Across
- 2. si
- 3. group
- 5. solid
- 7. neutron
- 9. table
- 10. family
- 11. at
- 13. atom
- 15. period
- 16. as
- 18. gas
- 19. sb
- 21. metalloid
- 23. electron
Down
- 1. liquid
- 4. proton
- 6. nonmetal
- 8. electron
- 12. metal
- 14. mass
- 17. number
- 18. ge
- 20. b
- 22. te
- 23. element