Composite particles that are composed of a quark and antiquark pair are called
A) leptons.
B) hadrons.
C) mesons.
D) nucleons.
E) baryons.

Question

Quizplus · Accepted Answer

Composite particles composed of a quark and antiquark pair are called mesons. Leptons are fundamental particles that do not participate in the strong nuclear force, hadrons are composite particles composed of quarks, and nucleons are a subclass of hadrons composed of protons and neutrons. Baryons are another subclass of hadrons composed of three quarks.

Composite Particles That Are Composed of a Quark and Antiquark