alculate the binding energies per nucleon (in MeV/nucleon) for the following isotopes (this is discussed in L&B pages 62-64 if you need to review). a. 14 N (p = 7, n = 7), Atomic Weight = 14.00307 u b. 28 Si (p = 14, n = 14), Atomic Weight = 27.97693 u c. 56 Fe (p = 26, n = 30), Atomic Weight = 55.93494 u d. 138 Ba (p = 56, n = 82), Atomic Weight = 137.9052 u e. 238 U (p = 92, n = 146), Atomic Weight = 238.0508 u