Periodic Table Quiz

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Across
  1. 2. this is good for our body
  2. 3. i have the atomic symbol K
  3. 8. this was discovered by Antoine J. Balard in France in 1826
  4. 9. this is the most abundance resource on earth
  5. 12. this was discovered long time ago and started using this element
  6. 13. my atomic symbol is Co
  7. 14. this thing is used in glow sticks
  8. 15. i am the first one in the second period
  9. 16. I am used to make fireworks.
  10. 18. this is always used in pencils
Down
  1. 1. 1st place in a race will get you a type of medal
  2. 2. I am second in group 17
  3. 4. this is very good for phone cases. This is also very cheap
  4. 5. people used to put this on top of hats.
  5. 6. this is used for balloon
  6. 7. I have the atomic symbol Zn
  7. 10. this is a useful element to create airplane
  8. 11. This name originates from a combination of words taken from borax and carbon
  9. 17. this helps people to live