A radioactive nucleus 83212Bi^{212}_{83}\text{Bi}83212Bi decays in two stages to produce 82208Pb^{208}_{82}\text{Pb}82208Pb. Which two particles are emitted in this process?
An α\alphaα-particle and a β\betaβ-particle
An α\alphaα-particle and a proton
Two α\alphaα-particles
Two β\betaβ-particles
484 exam-style questions on CIE IGCSE Physics 5.2 Radioactivity, covering 5.2.1 Background radiation and measuring count rate, 5.2.2a Alpha, beta and gamma emission, 5.2.2b Deflection and ionising effects of nuclear radiation, 5.2.3a Radioactive decay, 5.2.3b Effects of decay on the nucleus and decay equations, 5.2.4a Half-life, 5.2.4b Choosing isotopes for applications, and 5.2.5 Effects of ionising radiation and safety precautions. Each one has a worked solution and a mark scheme showing where the marks go.