Nuclear Chemistry

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Across
  1. 3. worked on the Britian's Manhattan Project
  2. 4. slows down neutrons for bombardment
  3. 6. thyroid treatment
  4. 9. used to photograph lungs
  5. 10. decay that involves medium penetration
  6. 12. father of the atomic bomb
  7. 13. type of electron captured in electron capture
  8. 15. particle in nucleus
  9. 17. created the first sustaining nuclear fission reaction
Down
  1. 1. particle with no mass and positive charge
  2. 2. decay with the most penetrating power
  3. 5. the property of nucleus to change spontaneously
  4. 6. used in internal wire radio therapy
  5. 7. discovered radioactivity
  6. 8. atoms with same number of protons
  7. 11. accident in which the control rods failed
  8. 14. decay in which helium particles are emitted
  9. 16. discovered Po and Ra