Elements

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Across
  1. 1. What element is in pepto bismol?
  2. 4. What element is in pencil lead?
  3. 8. What element do humans inhale?
  4. 9. What element is used in computer chips?
  5. 10. What element is used in balloons?
Down
  1. 2. What element is in a thermometer?
  2. 3. what element is used in lightbulbs as filament?
  3. 5. What is the last element on the periodic table?
  4. 6. What element is in toothpaste?
  5. 7. What element is used to make steel?
  6. 10. What is the first element on the periodic table?