Across
- 4. The chemical symbol is Ar and Scuba divers use this
- 8. The atomic number is 11 and it can be found in paper
- 9. The mass number is 24.305 and this element is in your bones
- 11. The mass number is 6.9410 and it is used for x-ray transmisson windows
- 12. The chemical symbol is Li and you can find this element in car batteries
- 13. The atomic symbol is one and it can produce heat without carbon emissions
- 16. The atomic number is 8 and you use this element to breathe
- 17. The chemical symbol is C and is it is used for metal smelting
- 18. The atomic number is 5 and it is used for plant growth, pollination, and seed formation
- 19. The mass number is 32.065 and is used to create sulfuric acid
- 20. atomic number is 20 and this is helps you be able to squezze and relax your musles
Down
- 1. The mass number 39.098 and it is found in bananas
- 2. The mass number is 40.0026 and you can put this element in ballons
- 3. The chemical symbol is F and you find it in toothpaste
- 5. The chemical symbol is P and this is the formation of your teeth
- 6. The atomic number is 17 and this element is used in cement
- 7. The atomic number is 17 and this is used to disinfect water
- 10. The chemical symbol is Al and it can be found in foils
- 14. The masss number is 20.180 and you can find it in advertising signs
- 15. The mass number is 14.007 and is used in ferterlisers