(a)[2]
State the names of any two different leptons.
(b)[1]
From the list below, underline every particle that is a hadron. antineutrino\;\; beta-plus\;\; meson\;\; neutron
(c)[2]
Using quark composition, show that the charge of a proton is $+1.6 \times 10^{-19}\,\text{C}$.