Across
- 3. the less powerful force helping hold the nucleus together
- 4. energetically unfavorable to remain in its current state
- 6. made of two protons and two neutrons
- 7. spontaneously emitting radiation due to changes in the nucleus
- 8. a high energy electron ejected from the nucleus
- 9. an atom that releases particles and energy from its nucleus in order to become stable
- 11. process in which the nucleus emits particles
- 12. amount of time needed for one-half of a sample to decay
Down
- 1. a change in the nucleus
- 2. electromagnetic radiation with a very high energy
- 5. process in which the nucleus admits another particle
- 10. the amount of material taken into the body