A-LevelPhysicsNuclear physics9702/12 · May/June 2018 · Q391 Mark

Radon-211, ²¹¹₈₆Rn, francium-210, ²¹⁰₈₇Fr, and radium-212, ²¹²₈₈Ra, are three nuclides. How many neutrons does each nuclide have in its nucleus?

A86, 87, 88

B125, 123, 124

C211, 210, 212

D297, 297, 300

✓ Correct answer

B: 125, 123, 124

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Topic: Nuclear physics, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2018 Paper 1 Variant 2, question 39.

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