Nuclear fission is a process used in nuclear power stations to generate electricity.
Which row correctly describes this process?
Atomic nuclei join together to form a larger nucleus; energy is absorbed
Atomic nuclei join together to form a larger nucleus; energy is released
An atomic nucleus splits into two or more smaller nuclei; energy is absorbed
An atomic nucleus splits into two or more smaller nuclei; energy is released
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.