A-LevelPhysicsParticle physics9702/12 · Feb/Mar 2020 · Q401 Mark
Which row gives the correct type and quark composition for the named particle? key u = up quark d = down quark
Aneutron hadron u u d
Bneutron lepton u d d
Cproton hadron u u d
Dproton lepton u d d
✓ Correct answer
C: proton hadron u u d
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