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2018 · M/J · 5054/11 | Q40

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CIE-5054-2018-MJ-p11 · Question 40

May/June 2018 Physics 5054/11: 40 multiple-choice questions, one mark each. No mark is deducted for a wrong answer. Electronic calculators may be used.
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40 A radioactive nucleus is represented as 230U. 92 Which row represents another isotope of the same element? number of number of protons in nucleus neutrons in nucleus A 90 140 B 91 138 C 92 139 D 93 136

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5054/11/M/J/18Cambridge O Level Physics 5054 · May/June 2018 · Paper 1 variant 1 · Question 40