Across
- 4. type of radiation that has a posotive charge
- 5. high frequency electromagnetic radiation
- 7. the minimum mass of fissionable material
- 8. consists of two protons and two neutrons
- 9. has a half life of 5730 years
Down
- 1. an ejected electron from a neutron
- 2. type of radiation that has no charge
- 3. results from radioactive decay, which is the in which unstalbe atomic neclei transform and emit radiation
- 6. is the rate of decay of a radioactive isotope
- 10. type of radiation that has a negative charge