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

Question

Quizplus · Accepted Answer

Protons and neutrons are made up of quarks, while electrons are not. Photons are not made up of particles at all, but are a form of electromagnetic radiation. Therefore, the best choice is D.

Which of the Following Particles (Or Groups of Particles)are Made