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Revise CIE IGCSE Physics 5.2.3a Radioactive decay with the question bank, lessons, revision guides, and flashcards.
Know that radioactive decay is a change in an unstable nucleus that can result in the emission of α-particles or β-particles and/or γ-radiation and know that these changes are spontaneous and random • State that during α-decay or β-decay, the nucleus changes to that of a different element • Supplement: Know that isotopes of an element may be radioactive due to an excess of neutrons in the nucleus and/or the nucleus being too heavy
