P2.5-Atomic Physics

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Across
  1. 1. Largest contributor to background radiation
  2. 3. If an element decayed and gained a proton what type of radiation was emitted?
  3. 7. The difference between an X-ray and a gamma ray used in LINAC is that X-rays are generated from a ....
  4. 8. Naturally occurring particles released by decaying isotopes
  5. 10. Of the 3 isotopes of carbon, which is unstable?
Down
  1. 2. Blocks background radiation from cosmic rays
  2. 4. What does not penetrate paper?
  3. 5. Largest danger of radiation
  4. 6. Which type of radiation is a wave?
  5. 9. After 60 yrs, a 0.85g sample of radioactive element with a half life of 30 yrs remained, how many grams of the sample were there to begin with?