ELEMENENENENENNENENNEETS

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Across
  1. 5. number 118 on the periodic table
  2. 10. is The stinkiest element known to man.
Down
  1. 1. lowest atomic mass
  2. 2. he's a marvel superhero
  3. 3. Abbreviation for polonium
  4. 4. The element that you breathe
  5. 6. Abbreviation for silver
  6. 7. the element in toothpaste
  7. 8. The 3rd biggest state
  8. 9. is what makes balloons float