Across
- 2. Nuclear radiation that is a helium nucleus
- 6. When a large nucleus splits in smaller ones
- 9. Isotopes that are unstable are this
- 10. What atoms are mostly made of
- 12. A nucleon with relative mass = 1 and charge = +1
- 15. Device that spins when a fluid passes through it
- 16. Alpha radiation is describes as being highly ...
- 17. Liquid that removes heat from the reactor core
Down
- 1. Nuclear radiation - a wave rather than a particle
- 3. Gamma is the most ... of the three types
- 4. A form of an element with more or less neutrons
- 5. The central part of a nuclear reactor
- 7. Alpha particles are Helium ...
- 8. When small nuclei join to for larger ones
- 11. Emitted from the nucleus as a beta particle
- 13. A nucleon with relative mass = 1 and charge = 0
- 14. The charge on a nucleus is this...