Across
- 2. electronic shell: 2,8,6
- 5. is most abundant in strawberries
- 8. its atomic number is twenty (20)
- 9. is used in dental products like mouthwash and toothpaste
- 10. found in pools to purify the water
- 12. the symbol is ‘Be’
- 13. what we breathe in
- 14. the symbol is ‘He’
Down
- 1. the symbol is ‘Li’
- 3. electronic shell:
- 4. its atomic number is seven (7)
- 6. its atomic number is eighteen (18)
- 7. used to give food flavor
- 11. its atomic number of one (1)