Nuclear Energy

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Across
  1. 5. relating to the nucleus
  2. 6. building material used in reactors
  3. 8. spins as pressurized steam turns it
  4. 9. combining of atoms
  5. 10. Famous nuclear disaster
  6. 12. produced by nuclear reactors
Down
  1. 1. element with one proton
  2. 2. producing radiation
  3. 3. a neutral particle in the nucleus
  4. 4. turbine spins it to produce electricity
  5. 7. splitting of atoms
  6. 11. time taken to decay by half
  7. 13. a type of radioactive decay