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Chapter overview
Nuclear structure, radioactive emissions, radioactivity safety, and applications.
Practice ready
5114 MCQs and 2733 written prompts are ready for focused chapter work.
Topics
3
Recall
9
Cards
18
Topic 1
The nucleus contains protons and neutrons and accounts for most of the atom's mass.
Topic 2
Radioactive substances emit alpha, beta, and gamma radiations with different penetrating and ionising powers.
Topic 3
Fission splits heavy nuclei, while fusion combines light nuclei and releases very large amounts of energy.
Chapter pack
Topic list
Topic 1
Understand protons, neutrons, isotopes, mass number, atomic number, and nuclear stability.
Topic 2
Compare alpha, beta, and gamma emissions and review detection, safety, and uses of radioactivity.
Topic 39
Basic introduction to nuclear fission and fusion, nuclear equations, energy release, and safety context.
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