(a(i))[2]
For nuclei P and Q, compare: • the number of protons • the number of neutrons.
(a(ii))[1]
As nucleus Q decays to nucleus R, the quark arrangement of a nucleon changes. State the change in the quark arrangement of the nucleon.
(a(iii))[1]
State the name of an additional particle that must be emitted from nucleus Q besides the $\beta^-$ particle.
(b)[2]
A hadron is made of two charm quarks and one bottom quark. Determine, in terms of the elementary charge $e$, the hadron’s charge.