Radon

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Across
  1. 2. Friedrien was a
  2. 5. Friedrien was also a
  3. 6. 222 is the number of
  4. 7. A chemical whit the atomic number 86
  5. 10. 136 is the number of
Down
  1. 1. Random can be found in
  2. 3. Radom was found by
  3. 4. 86 is the number of
  4. 8. -96F is the point
  5. 9. -80F is the point