1. $${}_{7}^{14}N + {}_{2}^{4}He \rightarrow {}_{1}^{1}H + {}_{6}^{17}C$$
2. $${}_{0}^{1}B + {}_{1}^{1}H \rightarrow {}_{2}^{4}He + {}_{0}^{1}n$$
3. $${}_{13}^{27}Al + {}_{0}^{1}n \rightarrow {}_{2}^{4}He + {}_{11}^{24}Na$$
4. $${}_{5}^{4}B + {}_{2}^{4}He \rightarrow {}_{0}^{1}n + {}_{6}^{7}C$$