Across
- 1. who discovered that mass is congealed energy
- 4. the "nuclear sink" for energy production
- 7. type of radiation that carries no charge
- 9. the time required for half of the original quantity of an element to decay
- 10. self-sustaining reaction where the products of 1 reaction trigger another reaction
Down
- 2. combination of nuclei of light atoms to form heavier nuclei
- 3. minimum mass of a fissionable material in a reactor
- 5. type of radiation that carries a negative electric charge
- 6. what things are dated through uranium and lead isotopes
- 8. type of radiation that carries a positive electric charge