Across
- 6. badge used to measure radiation exposure, consisting of photographic film held in a small case that is pinned to clothing
- 8. a device used to detect radioactivity in which energetic particles traverse a material that emits ultraviolet or visible light when excited by their passage
- 10. the nuclide product of a nuclear decay
- 14. the original nuclide in a nuclear decay
- 18. the ability of a radioactive particle to penetrate matter
- 19. describes a substance that emits tiny, invisible, energetic particles from the nuclei of its component atoms
Down
- 1. the emission of tiny, invisible, energetic particles from the unstable nuclei of atoms
- 2. a particle consisting of two protons and two neutrons
- 3. high-energy, short-wavelength electromagnetic radiation emitted by an atomic nucleus
- 4. radiation emitted by an unstable nucleus consisting of alpha particles
- 5. the shortest-wavelength, most energetic form of electromagnetic radiation
- 7. a radioactivity detector consisting of a chamber filled with argon gas that discharges electrical signals when high-energy particles pass through it
- 9. long lived emission of light that sometimes follows the absorption of light by some atoms and molecules
- 11. a nuclear particle that has the mass of an electron but carries a 1+ charge
- 12. energetic electrons emitted by an unstable nucleus
- 13. the ability of radiation to ionize other molecules and atoms
- 15. expulsion of a positron from an unstable atomic nucleus; a proton is transformed into a neutron
- 16. an equation that represents the changes that occur during radioactivity and other nuclear processes
- 17. a form of radiation consisting of an energetic electron