Exam-style question
Try this first
Which of the following is a common lepton?.
- A.Electron
- B.Proton
- C.Neutron
- D.Alpha particle
Model answer
What a good answer should say
- Electron
Explanation
Why this works
The electron is a fundamental particle classified as a lepton, while protons and neutrons are baryons, and alpha particles are composite particles.
Common mistake
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