Nuclear fission is a reaction used to generate electricity in nuclear power stations.
Which row in the table below correctly describes this reaction?
| Action of atomic nucleus / nuclei | Energy | |
|---|---|---|
| A | atomic nuclei join together to form a larger nucleus | released |
| B | an atomic nucleus splits into two or more smaller nuclei | released |
| C | atomic nuclei join together to form a larger nucleus | absorbed |
| D | an atomic nucleus splits into two or more smaller nuclei | absorbed |
Row A
Row B
Row C
Row D
284 exam-style questions on CIE IGCSE Physics 5.1 The nuclear model of the atom, covering 5.1.1a Structure of the atom and ions, 5.1.1b Alpha-particle scattering, 5.1.2a Composition of the nucleus and isotopes, 5.1.2b Proton number, nucleon number and nuclide notation, and 5.1.2c Nuclear fission and nuclear fusion. Each one has a worked solution and a mark scheme showing where the marks go.