Science Chapter 10. Test

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Across
  1. 3. results from radioactive decay, which is the process in which unstable atomic nuclei transform and emit radiation
  2. 5. the type of radiation that carries no charge
  3. 7. the combination of nuclei of light atoms to form heavier nuclei with the release of a lot of energy
  4. 8. what atomic nuclei have an imbalance of neutrons and are radioactive
  5. 9. the rate of decay of a radioactive isotope(half of it has decayed after one)
Down
  1. 1. the type of radiation that carries a negative charge(B.)
  2. 2. the minimum mass of fissionable material in a reactor that causes a chain reaction
  3. 4. the type of radiation that carries a positive electric charge(A.)
  4. 6. what M. equals in the equation E.=M.c.^2
  5. 10. what E. stands for in the equation E.= M.c.^2.