(a) Complete the following nuclear changes:
23892P ⟶ Q + 42He ⟶ R + 0-1e
(b) Name the nuclear radiation which has the highest ionizing power.
(a) 23892P ⟶ 23490Q + 42He ⟶ 23491R + 0-1e
(b) Alpha (α) radiations have the highest ionizing power.