GCSE Radiation
Across
- 2. Naturally ocurring radiation
- 3. Type of radiation that requires lead to block it
- 5. Time taken for half of radioactive particles to decay
- 6. Particle with same number of protons but different number of neutrons
- 7. When radioactive nuclei settle on a substance
- 10. When radioactive particles pass through a material
- 11. Centre of an atom
- 13. particle that orbits the nucleus in an atom
Down
- 1. Total number of protons in nucleus
- 3. Device used to detect radiation
- 4. Most ionising type of radiation
- 8. Number of radioactive counts per second
- 9. Total number of protons and neutrons in nucleus
- 12. Type of radiation made from electrons