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O-LevelPhysicsNuclear Physics5054/12 · May/June 2021 · Q391 Mark

What does an alpha-particle consist of?

Atwo electrons and four neutrons only
Btwo protons and two neutrons only
Ctwo protons and two neutrons only
Dtwo protons, two electrons and two neutrons

✓ Correct answer

B: two protons and two neutrons only

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About this question

Topic
Nuclear Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2021 Paper 1 Variant 2, question 39.

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