Physics · Oct / Nov 2021 · Paper 21 · Question 10
5054
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The question as text
The isotope yttrium-90 ( 90 39 Y ) is radioactive. It is a beta-particle emitter that decays to product Q. Product Q is stable.
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Show the answer and mark scheme
10(a)[1]
10(b)[3]
10(c)(i)[1]
10(c)(ii)[2]
10(c)(iii)[4]
10(c)(iv)[2]
10(d)[2]
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