Across
- 2. has one proton
- 4. salt has a lot of this
- 7. used to make second place metals
- 9. the strongest metal
- 10. bananas have a lot of this
- 13. used to make molds
- 15. used in thermometers
- 16. used to make pennies
- 17. a very expensive metal
- 18. used to make lights
- 19. named after a dwarf planet
- 20. a toxic metal
Down
- 1. found in pumpkin seeds
- 3. used in batteries
- 5. makes balloons float
- 6. named after einstein
- 8. a violet colored element
- 11. needed for us to live
- 12. used to make a coin that's worth $0.05
- 14. used for carbon dating
- 16. can be used in pools