Question

Nuclear particles responsible for holding all nucleons together are__________.

• A. electrons
• B. neutrons
• C. positrons
• D. mesons

Answer 1

Answer: (D)

mesons

Nuclear particles responsible for holding all nucleons together are mesons. To account for the binding forces between like particles such as proton and proton or neutron and neutron, Kemmer suggested the existence of a neutral meson $\left({\pi }^0\right)$.