Physics (AS & A Level) · Oct / Nov 2019 · Paper 22 · Question 7
9702
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A nucleus of plutonium-238 (238 94Pu) decays by emitting an α-particle to produce a new nucleus X and 5.6 MeV of energy. The decay is represented by 238 94Pu X + α + 5.6 MeV.
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7(a)[2]
7(b)[2]
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