Periodic Table

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Across
  1. 4. A noble gas used in light bulbs and welding
  2. 7. Vital for the production of hard metals,(batteries)
  3. 10. chemical element,it has symbol I and atomic number 53.
  4. 11. Essential for bone health/ important for muscle function
  5. 13. A key component of computer chips
  6. 14. It has the symbol B and atomic number 5.
  7. 15. Used to produce strong steel alloys
  8. 18. Lightweight and resistant to corrosion
  9. 21. symbol Mn and atomic number 25,classified as a transition metal
  10. 24. An excellent conductor of electricity
  11. 25. Has an atomic mass of 1.00784
  12. 26. The most reactive and electronegative element
  13. 27. Making up about 78% of Earth's atmosphere
  14. 28. Important for cellular function/helps balance functions
Down
  1. 1. A disinfectant commonly used in swimming pools
  2. 2. used in areospace materials due to lightness
  3. 3. Essential for immune function
  4. 5. Essential for life key component of DNA
  5. 6. Known for its high strength to weight ratio
  6. 8. Essential for respiration in most living things
  7. 9. chemical element with the symbol Sc and atomic number 21.
  8. 12. The most widely used metal/ essential for blood production
  9. 13. Chemical element of the alkali metal group
  10. 16. Used for fertilizers and the production of sulfuric acid
  11. 17. A soft, silvery white metal
  12. 19. Atomic number 24 and first element in group 6
  13. 20. A noble gas that emits a bright glow
  14. 22. Used in stainless steel and coinage
  15. 23. Has a total of 12 electrons
  16. 25. The second lightest element that is non-toxic