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QUESTION B ONLY 15 Uranium-232 has a half-life of 68.9 years. A sample of uranium232 has a mass of 6.0 x 10 g. a) When

QUESTION B ONLY

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15 Uranium-232 has a half-life of 68.9 years. A sample of uranium232 has a mass of 6.0 x 10" g. a) When will the mass of uranium-232 be 1.5 x 104g? (3 marks) b) Nuclear equation question: Fill in the missing numbers of protons and neutrons in the large nucleus in the alQha decay shown in the diagram. 12 marks)

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