O-LevelPhysicsNuclear Physics5054/11 · May/June 2025 · Q351 Mark

Each diagram shows the nucleus of an atom. [Atomic nuclei diagrams] Which diagrams show isotopes of the same element?

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A1 and 2

B1 and 4

C2 and 3

D3 and 4

✓ Correct answer

B: 1 and 4

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Topic: Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2025 Paper 1 Variant 1, question 35.

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