Periodic Table of Elements

123456789101112131415161718192021222324252627282930313233343536373839
Across
  1. 3. - Vital for life and found in DNA.
  2. 6. - Makes up the majority of Earth's atmosphere.
  3. 8. - Used as a disinfectant and in pools.
  4. 9. - A dark red-brown liquid at room temperature.
  5. 11. - Used in galvanization to prevent rust.
  6. 14. - Used in fireworks for a red color.
  7. 16. - Used in semiconductors.
  8. 18. - A lightweight metal with various applications.
  9. 19. - Commonly used in coins and alloys.
  10. 21. - Adds corrosion resistance to steel.
  11. 23. - Known for its stiffness, light weight, and high melting point.
  12. 26. - The basis of all organic compounds.
  13. 28. - A highly reactive, pale yellow gas.
  14. 29. - Melts at a low temperature and is used in thermometers.
  15. 30. - Found in sand and used in computer chips.
  16. 31. - Used in alloys and for medicinal purposes.
  17. 34. - A metal used in batteries.
  18. 35. - A noble gas used in neon signs.
  19. 36. - Necessary for respiration and combustion.
  20. 37. - Used in borax and boric acid.
  21. 38. - An essential trace element in the diet.
  22. 39. - A highly reactive metal that reacts violently with water.
Down
  1. 1. - Used in lighting and as anesthetic.
  2. 2. - Known for its distinct smell and yellow color.
  3. 4. - A transition metal used in the aerospace industry.
  4. 5. - Used in the production of phosphors for displays.
  5. 7. - Known for its excellent electrical conductivity.
  6. 10. - Used in superconductors and nuclear reactors.
  7. 12. - Used in steel alloys.
  8. 13. - Resistant to corrosion and often used in nuclear reactors.
  9. 15. - Known for its strength and corrosion resistance.
  10. 17. - Known for its high melting point.
  11. 20. - Can be toxic and used in some alloys.
  12. 22. - The lightest element in the periodic table.
  13. 24. - An essential nutrient for plants and animals.
  14. 25. - Used in the production of strong magnets.
  15. 26. - Found in bones and teeth.
  16. 27. - A soft, silvery-white metal.
  17. 32. - A key component of hemoglobin in red blood cells.
  18. 33. - Used in balloons and as a cooling agent in MRI machines.