chemistry

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Across
  1. 2. particle with an atom with a negative charge
  2. 8. any wave length or frequency able to remove electrons from atoms
  3. 11. particle within an atom with no charge
  4. 12. hydrogen bombs use 2 _______ of hydrogen - deuterium,and tritium
  5. 13. multi low-level radiation sickness
  6. 15. nuclear core becomes so hot it melts
  7. 17. The combining of atomic nuclei
  8. 19. the ______ of a nucleus depends on the ratio of protons to neutrons
  9. 20. ______ is released when an atom has to many neutrons
  10. 22. particles of radiation that can be blocked by paper
  11. 23. amount of radiation exposure
  12. 24. generates the initial neutrins used for an atomic weapon
  13. 25. high energy emitted from atoms
Down
  1. 1. given amount of time needed for half of the sample to decay
  2. 3. radioactive material that is propelled into the atmosphere
  3. 4. particle within an atom with a positive charge
  4. 5. any energy emitted from a source
  5. 6. rods are collected together into _____
  6. 7. Prevents overheating
  7. 9. cluster of fuel; enough concentration of neutrons to sustain a fission reaction
  8. 10. The splitting of of a nucleus into smaller nuclei
  9. 14. large atoms become clustered, triggering fission in neighboring atoms
  10. 16. center point of an atom holding the protons and neutrons
  11. 18. converts a neutron to a proton
  12. 21. turns mechanical to electrical energy