Question text
39 What are the structures of the proton and of the neutron in terms of quarks? proton neutron up quark down quark up quark down quark A 1 1 2 2 B 1 2 2 1 C 2 1 1 2 D 2 2 1 1
39 What are the structures of the proton and of the neutron in terms of quarks?
proton neutron
up quark down quark up quark down quark
A 1 1 2 2
B 1 2 2 1
C 2 1 1 2
D 2 2 1 1
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