Across
- 2. A measurement of radioactivity (Bq)
- 4. Over time the activity of a radioactive material will...
- 6. The third letter of the Greek Alphabet
- 7. Positively charged subatomic particle
- 8. The number of nuclei that decay and give off radiation every second is called the... of the material
- 9. Neutrally charged subatomic particle
- 10. Energy radiated or transmitted as rays, waves, in the form of particles. It can be dangerous if applied to humans too much
- 13. Radiation can be detected by using a... counter
Down
- 1. The first letter of the Greek Alphabet
- 2. The second letter of the Greek Alphabet
- 3. Spontaneous emission of radiation, either directly from unstable atomic nuclei or as a consequence of a nuclear reaction
- 5. Negatively charged subatomic particle
- 11. The central part of an atom which is positively charged, composed of protons and neutrons
- 12. To disintegrate or diminish by radioactive decay