Across
- 2. A hydrogen isotope w/c has one proton and no neutrons
- 5. Found in nuclear reactor; controls the fission rate of uranium and plutonium
- 8. ________ pollution; one disadvantage of a nuclear reactor
- 10. Gamma rays have 0 charge or ______
- 11. Amount of time needed for half of the radioactive nucleus to undergo radioactive decay
- 14. Emission of ionizing radiation or particles caused by the spontaneous disintegration of atomic nuclei
- 15. Determines the atomic number
Down
- 1. Alpha rays have a _______ charge
- 3. A state of matter where fusion takes place
- 4. Most reliable type of uranium dating
- 6. A high frequency electromagnetic radiation and therefore consists of high-energy photons
- 7. A hydrogen isotope with one proton and one neutron
- 9. When a carbon-14 undergoes beta decay, the atom becomes ______14
- 12. Collision of atomic nuclei to produce a larger nucleus
- 13. A reaction usually applied on atomic bombs