Across
- 2. close to borax
- 4. used to make alloys
- 7. number 19 on the periodic table
- 8. used to disinfect water
- 9. found in food
- 11. a hard grey metal
- 12. number 18 on the periodic table
- 13. it's a gas
- 14. element with the symbol H
- 15. supports the muscles
- 18. yellow gas
Down
- 1. like a diamond
- 3. used to help make your bones strong
- 5. atomic number is 3
- 6. atomic number 7
- 7. it’s found in your bones
- 10. atomic number 13
- 16. member of the oxygen family
- 17. used for lights
- 19. like air