ELEMENT CROSSWORD PUZZLE

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Across
  1. 4. atomic number is 69
  2. 7. atomic number is 1
  3. 9. sometimes called “quicksilver”
  4. 11. directly underneath helium on the periodic table
  5. 13. element with the symbol S
  6. 14. atomic number is 82
  7. 16. atomic number is 8
  8. 17. atomic number is 13
  9. 18. directly underneath lithium on the periodic table
  10. 19. atomic number is 79
Down
  1. 1. the first in the noble gas group in the periodic table
  2. 2. directly to the right of potassium on the periodic table
  3. 3. exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal.
  4. 4. atomic number is 50
  5. 5. symbol is Rn
  6. 6. symbol is Kr and has an atomic number of 36
  7. 8. atomic number is 28
  8. 10. symbol is Br
  9. 12. element with the symbol C
  10. 15. atomic number is 18