Periodic table

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123456789101112
Across
  1. 3. A lot of Dioxide form of this element is emitted to create pollution
  2. 5. Found in bananas
  3. 10. Found in thermometers
  4. 11. You need it to live
  5. 12. Makes the balloon go up to the moon
Down
  1. 1. Gives you strong bones when you drink milk
  2. 2. Found in pool water
  3. 4. Found in the air
  4. 6. A soft silvery metal that you should not consume because of how toxic it is (number 56)
  5. 7. The first element
  6. 8. Found in toothpaste
  7. 9. Chips and salt