Across
- 2. Alpha particles consist of these atoms' nuclei
- 3. High energy, short wavelength electromagnetic wave
- 6. Device used to detect radiation
- 7. Heaviest type of radiation particle
- 9. Time taken for half of a radioactive substance to decay
- 11. Uncharged electromagnetic radiation
Down
- 1. Particle ejected during beta decay
- 4. Material that can stop beta radiation
- 5. Process where unstable nuclei emit radiation
- 7. Number of protons in a nucleus
- 8. Radiation that is stopped by paper
- 10. Beta particles are identical to these subatomic particles
