In the processes described below, P P\,P and Q Q\,Q are different elements.
Which process describes β−\beta^-β−-decay?
Atoms of PPP collide with atoms of QQQ.
Atoms of PPP change into atoms of QQQ.
Atoms of PPP emit atoms of QQQ.
Atoms of PPP absorb β−\beta^-β−-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.