Unstable Nuclei and Radioactive Decay

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Across
  1. 5. High speed electrons with a 1- charge emitted during radioactive decay
  2. 6. Reaction that involves a change in the nucleus of an atom
  3. 8. Radiation that is made up of alpha particles
  4. 10. A spontaneous process in which unstable nuclei lose energy by emitting radiation
Down
  1. 1. A type of equation that shows the atomic number and mass number of the particles involved
  2. 2. A particle with two protons and two neutrons with a 2+ charge; emitted during radioactive decay
  3. 3. Radiation that is made of beta particles
  4. 4. Process in which substances spontaneously emit radiation
  5. 7. High-energy radiation that has no electrical charge and no mass
  6. 9. The rays and particles – alpha and beta particles, and gamma rays – that are emitted by radioactive materials