Interpretation:
The packing fractions of representative nuclides need to be determined. A graph needs to be plotted between the packing fraction and mass number. The plot needs to be compared with figure 25-6 and the relationship between the two needs to be explained.
Concept introduction:
The packing fraction can be calculated for any nucleus as the ratio of the mass defect to the number of the nucleon.
The mass defect of the nucleus is the difference between the mass of nucleons and nucleus mass. This can be calculated as follows:
Here, the number of protons is equal to the
The mass of both protons and neutron is
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