Exam-style question
Try this first
Which of the following particles is not a baryon?.
- A.Proton
- B.Neutron
- C.Pion
- D.Lambda baryon
Model answer
What a good answer should say
- Pion
Explanation
Why this works
A pion is a meson, not a baryon. Baryons are made up of three quarks, while mesons consist of a quark and an antiquark.
This distinction is important in particle classification.
Common mistake
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