Across
- 2. Radioactive element used in nuclear reactors
- 9. Energy emitted as waves or particles
- 12. Isotope used for dating fossils
- 16. High-energy photon radiation
- 17. Solution of known concentration
- 21. Unwanted presence of radioactive material
- 22. Device measuring exposure to radiation
- 23. Device controlling nuclear reactions
- 24. Study of material composition and structure
- 25. Positively charged particle in nucleus
Down
- 1. Material protecting from radiation
- 3. Producing radioactive isotopes by neutron capture
- 4. Substance slowing down neutrons
- 5. Point where reaction is complete in titration
- 6. Release of helium nucleus
- 7. Regulates rate of nuclear fission
- 8. Removal of radioactive substances
- 10. Neutral particle in nucleus
- 11. Fluid removing heat from reactor core
- 13. Time for half radioactive substance to decay
- 14. Radioactive isotope used in research or medicine
- 15. Substance changing color at endpoint
- 18. Release of electron or positron
- 19. Element used as nuclear fuel
- 20. Technique determining concentration of solution