Determine the mass defect $($in atomic mass units$)$ for a$)$ Helium $32$He$,$ which has an atomic mass of $3\mathrm{.}016030$ u$,$ and b$)$ the isotope of hydrogen known as tritium $31$T$,$ which has an atomic mass of $3\mathrm{.}016050$ u$.$ c$)$ On the basis of your answers to parts a$)$ and b$),$ state which nucleus requires more energy to disassemble it into its separate and stationary constituent nucleons. Give your reasoning.