Across
- 4. lightest metals on the periodic table
- 5. main component of graphite, coal and diamonds
- 9. aerobic organism needs this to breathe
- 12. used to inflate balloon
- 13. fertilizers and explosives are the main uses
- 15. Household cleaning supplies such as bleach
- 16. essential in the creation of DNA as well as the protection of your cells
- 17. found in eye drops, mild antiseptics, washing powders
- 18. main component of your bones.
- 19. production of laptops and car seats
Down
- 1. used as teeth-whitening in toothpaste
- 2. used to coat cooking ware, in mirrors, and in to create aircraft engines.
- 3. used as adverstisement signages that are reddish orange
- 6. present in banana
- 7. the most common element in the universe
- 8. Argon acts as a preservative in many foods
- 10. common in various cosmetic, gel, and hair products
- 11. used in structuring high speed craft such as fighter jets
- 14. main ingredients in preparing table salt