Periodic

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Across
  1. 3. We go to this school
  2. 5. A game previously mentioned in Mr. Crofoot's crossword
  3. 6. This element doesn't need any extra or negative charges
  4. 7. This element helps keep pools clean
  5. 8. This element was named after a famous mathematician
  6. 9. A superhero associated with spiders
  7. 11. The symbol of this element is also an abbreviation for Mountain
Down
  1. 1. This element is in the 5th row and it's symbol is not apart of its name
  2. 2. The symbol of this element is Xe
  3. 4. The last periodic table element
  4. 5. This element sounds like the word "magnet"
  5. 10. Bananas!