A nucleus of 83212Bi^{212}_{83}\text{Bi}83212Bi decays into an isotope of polonium, which then decays into a nucleus of 82208Pb^{208}_{82}\text{Pb}82208Pb.
What types of radiation have been emitted during this process?
one alpha particle only
one alpha particle and one beta-minus particle
two alpha particles
two beta-minus particles
120 exam-style questions on CIE IGCSE Physics 5.2.3a Radioactive decay. Each one has a worked solution and a mark scheme showing where the marks go.