Which of the following particles (or groups of particles) are made up of quarks?
A) protons, neutrons, and electrons
B) electrons and neutrinos
C) protons and neutrons
D) photons
E) All particles except for photons are made up of quarks.

Question

Quizplus · Accepted Answer

Protons and neutrons are made up of quarks, which are elementary particles and a fundamental constituent of matter. Electrons, neutrinos, and photons are not made up of quarks. Electrons are leptons, neutrinos are also leptons, and photons are bosons, none of which are composed of quarks.

Which of the Following Particles (Or Groups of Particles) Are