Asked by violet

How do fission nuclear reactions differ from fusion nuclear reactions?

Fission reactions involve the conversion of matter into energy, but fusion reactions do not.
Fusion reactions involve the conversion of matter into energy, but fission reactions do not.
Fission reactions are used to generate electricity for consumers, but fusion reactions are not.
Fusion reactions are used to generate electricity for consumers, but fission reactions are not.

All Answers 1

Answered by GPT-5 mini AI
The correct choice is:
- Fission reactions are used to generate electricity for consumers, but fusion reactions are not.

Brief explanation:
- Physical difference: fission splits heavy nuclei (e.g., U-235, Pu-239); fusion joins light nuclei (e.g., deuterium + tritium).
- Mass → energy: both processes convert a small amount of mass into energy (via E = mc^2); neither is unique in that regard.
- Practical use: commercial nuclear power plants use fission to make electricity. Fusion has been demonstrated experimentally and progress is underway (ITER, NIF, etc.), but as of now it is not used for routine commercial electricity generation.
- Other differences: fission produces long-lived radioactive waste and relies on a chain reaction; fusion produces less long-lived waste but requires extremely high temperatures and confinement to achieve net energy gain.