Across
- 1. bone element
- 3. used in sun fusion
- 5. most coins have it
- 7. in the blood
- 8. penny-colored
- 9. for galvanizing
- 12. liquid metal
- 13. used in fertilizer
- 14. element 5
- 15. we breathe it
- 16. in some batteries
- 17. in the air
- 19. used in solder
- 20. blocks radiation
Down
- 2. keeps pools clean
- 4. bomb material
- 6. part of salt
- 10. life element
- 11. part of water
- 13. shiny signs
- 14. in Pepto-Bismol
- 18. worth its weight