The difference between a quark and a lepton is
A) quarks exist in the nucleus; leptons do not.
B) leptons appear in the nucleus; quarks do not.
C) quarks can appear as free particles; leptons cannot.
D) matter is made of quarks; leptons are exchanged to produce forces.
E) none; they are two names for the same particle.

Question

Quizplus · Accepted Answer

Quarks are fundamental particles that combine to form composite particles such as protons and neutrons, which are found in the nucleus of an atom. Leptons, such as electrons, do not exist in the nucleus.

The Difference Between a Quark and a Lepton Is