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 b
Answer
Answer outline and marking scheme
for question: 1
(a) (i) 238/92U + 1/0n -> 239/92U
(ii)238/92U -> 239/92Np
[4 marks]
(b) e.g ground acts as good as shield satisfactory
for short time but half-lives likely to be long corrosion, leakage
etc.
(allow other relevant points)
[4 marks]
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