(a(i))[1]
State the name(s) of the particle(s) in this list which are not fundamental.
(a(ii))[1]
State the name(s) of the particle(s) in this list that do not experience an electric force when placed in an electric field.
(a(iii))[1]
State the name(s) of the particle(s) in this list with the largest ratio of charge to mass.
(b)[3]
A hadron carries a charge of $+e$, where $e$ is the elementary charge. The hadron contains only two quarks. One of them is an antidown $(\bar{d})$ quark. Using the charge, state and explain the name (flavour) of the other quark.