Across
- 2. Used in pipes
- 3. headlights that are brighter than the stock
- 7. it melts at room temperature
- 9. used in balloons
- 12. atomic symbol is Ti
- 14. atomic symbol is Fe
- 16. its in bananas
- 18. atomic symbol is Ir
- 19. Superman's home planet
- 20. 24 karat
Down
- 1. used in signs
- 4. we breathe it in to survive
- 5. sounds like the country we live in
- 6. radioactive element that most people know
- 8. another element that people make rings out of
- 10. ranking above gold, mostly used in games.
- 11. cleans pools
- 13. this is used for cans
- 15. 2nd lowest cost coin
- 17. atomic symbol is Cu