Across
- 4. the process by which unstable nuclei lose energy by emitting radiation in a spontaneous process
- 8. an equation detailing the atomic number and mass numbers of particles involved in radioactive decay
- 10. a fast moving electron with a (1-) charge emitted during radioactive decay
- 11. rays and particles emitted by radioactive materials
Down
- 1. radiation deflected toward a negatively charged plate in a magnetic field
- 2. the process in which substances spontaneously emit radiation
- 3. a pure substance that cannot be broken down into simpler substances by physical or chemical means
- 5. a reaction in which the atom of one element changes into the atom of another element
- 6. high-energy radiation that possesses no mass and is not deflected by electric or magnetic fields
- 7. radiation deflected toward a positively charged plate in a magnetic field
- 9. a particle with two protons and two neutrons with a (2+) charge emitted during radioactive decay
