Periodic Table of Elements

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Across
  1. 5. Metal in group 8 used to make fences.
  2. 6. Number of groups on the periodic table (spell number).
  3. 7. Chemical symbol for gold.
  4. 8. Group colored green on your project.
  5. 10. Metalloid used in cleaning agents.
  6. 12. Its average mass number is 107.87.
  7. 13. Only liquid metal whose atomic number is eighty.
  8. 15. There "salt makers" and colored purple on your project.
  9. 18. Poisonous metalloid.
  10. 21. Gas in period 2 needed for our survival.
  11. 22. Pink group of elements found inside staircase.
  12. 23. Number of periods on the periodic table (spell number).
  13. 24. Halogen used in liquid form to keep pools clean.
  14. 25. Element of alkali metal group in salt (NaCl).
Down
  1. 1. Element with average atomic mass of 54.938.
  2. 2. Its atomic number is twenty two.
  3. 3. Noble gas which is also the home planet to Superman.
  4. 4. Metal found in group 13 used to make foil.
  5. 9. Group of elements that Californium belongs to.
  6. 11. Element in period 4 and group 10.
  7. 14. Only nonmetal element on the left side of chart.
  8. 15. Noble gas used to inflate party balloons.
  9. 16. Member of Group 11 used for jewelry.
  10. 17. Noble gas used to light or illuminate signs.
  11. 19. Alkaline Earth Metal found in bones.
  12. 20. Gas in Group 15 which makes up most of our air.