Nuclear fusion is the process that powers stars like our Sun.
Which of the following statements correctly describes a nuclear fusion reaction?
Two light nuclei join together to form a heavier nucleus.
A single heavy nucleus splits into two smaller, lighter nuclei.
An unstable nucleus emits an alpha particle to become more stable.
Electrons are shared between atoms to form a stable covalent bond.
94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity. Each one has a worked solution and a mark scheme showing where the marks go.