Elements on the periodic table

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Across
  1. 2. Cancer treatment
  2. 4. aerobic respiration
  3. 8. used in electrical wiring
  4. 10. 5 cents
  5. 12. used in reduction of stroke
  6. 13. May treat Diarrhea
  7. 15. Used in Batteries
  8. 16. used in pencils
  9. 18. Used in paint
  10. 19. used to create or destroy
  11. 20. Healthy immune system
Down
  1. 1. Diagnosis of curing cancers
  2. 3. used in salt
  3. 5. Used in poisons
  4. 6. Is in the sun
  5. 7. Aircraft and Engines
  6. 9. Dentistry Equipment
  7. 11. Used in milk
  8. 14. fluorescent lamp
  9. 17. reinforced concrete