Periodic Table Elements

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1234567891011121314151617181920
Across
  1. 2. the symbol is ‘Si’
  2. 5. used to give food flavor
  3. 8. electronic shell: 2,8,5
  4. 11. what we breathe in
  5. 16. electronic shell: 2,8,3
  6. 17. its atomic number is seven (7)
  7. 18. its atomic number is twelve (12)
  8. 20. found in pools to purify the water
Down
  1. 1. its atomic number of one (1)
  2. 3. the symbol is ‘C’
  3. 4. is most abundant in strawberries
  4. 6. the symbol is ‘Be’
  5. 7. is used in dental products like mouthwash and toothpaste
  6. 9. electronic shell: 2,3
  7. 10. the symbol is ‘He’
  8. 12. its atomic number is eighteen (18)
  9. 13. its atomic number is twenty (20)
  10. 14. electronic shell: 2,8,6
  11. 15. the symbol is ‘Li’
  12. 19. electronic shell: 2,8