$[$Maximum mark: $13]$

$23$M$\mathrm{.}2$SLTZ$1\mathrm{.}5$

$($a$)$ Identify with ticks $\frac{?}{?}$ in the table, the forces that can act on electrons and the forces that can act on quarks.

$[2]$

$($b$)$ The following data is available for atomic masses for the fusion reaction

${?}_1^{2}H+{?}_1^{3}H{?}_2^{4}He+{?}_0^{1}n$

$\backslash$table$[[H,2\mathrm{.}0141u$