Chemical Elements In Daily Life

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Across
  1. 1. - Important for the immune system and as a dietary supplement.
  2. 3. - Once used in thermometers and barometers.
  3. 5. - The most abundant gas in the Earth's atmosphere.
  4. 9. - Used in the production of computer chips.
  5. 14. - Building block of organic compounds.
  6. 16. - Used in toothpaste to prevent cavities.
  7. 17. - Essential for human respiration.
  8. 20. - Added to salt for thyroid health.
  9. 21. - Found in table salt and used in food preservation.
  10. 22. - Used in batteries and for mental health treatments.
  11. 23. - Used in fuel cells and as a rocket propellant.
  12. 24. - Used in aerospace, medical implants, and sports equipment.
  13. 25. - Used in beverage cans and cookware.
  14. 27. - Important for strong bones and teeth.
  15. 29. - Vital for nerve and muscle function.
Down
  1. 2. - Used in electrical wiring and plumbing.
  2. 4. - Used in activated carbon filters for air and water purification.
  3. 6. - Valuable metal used in jewelry and coins.
  4. 7. - Essential for hemoglobin in red blood cells.
  5. 8. - Used in photography and jewelry.
  6. 10. - Used for water disinfection in swimming pools.
  7. 11. - Important for muscle and nerve function.
  8. 12. - Used in balloons and cooling in MRI machines.
  9. 13. - A component of DNA and ATP.
  10. 15. - Previously used in paint and gasoline.
  11. 18. - Used in neon lights and signs.
  12. 19. - An inert gas used in light bulbs.
  13. 26. - Used as a fuel in nuclear reactors.
  14. 28. - Used in batteries and as a colorant in glass.
  15. 30. - Used in the production of sulfuric acid and rubber.