<Tr> <Td_colspan="2"> Energy from decaying fission products </Td> </Tr> <Tr> <Td> Energy of β - particles </Td> <Td> 6.5 </Td> </Tr> <Tr> <Td> Energy of delayed γ - rays </Td> <Td> 6.3 </Td> </Tr> <Tr> <Td> Energy released when those prompt neutrons which don't (re) produce fission are captured </Td> <Td> 8.8 </Td> </Tr>

Why is u-235 a good isotope for creating chain reactions