Across
- 2. Metals that aren't metals
- 3. Charge 0
- 4. Metal wannabe
- 6. Periodic Table
- 10. Positive Ion
- 12. Good conductors of electricity
- 14. Periodic staircase
- 15. 6.022
- 16. 8
- 17. Noble
Down
- 1. Decimal
- 5. Atom mass
- 7. Periodic table
- 8. Group 7
- 9. Outer shell
- 11. Mass of molars
- 13. Very important number above element symbol
- 18. Negative Ion