2) Calculate the binding energy per nucleon for "Li using the Weizsäcker formula.
2) Calculate the binding energy per nucleon for "Li using the Weizsäcker formula.
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Concept and Principle:
- The Weizsaecker formula is used to calculate the binding energy of the atomic nuclei. It is a refined form of the liquid-drop model of atomic nuclei.
- It is formulated from empirical measurements and theoretical data and includes five terms volume, surface, coulomb, asymmetry, and pairing.
- The Weizsäcker formula is given by,
Here av is the volume term constant and has a value of 15.5 MeV, as is the surface term constant and has a value of 16.8 MeV, ac is the coulomb term constant and has a value of 0.72 MeV, asy is the symmetric term constant and has a value of 23 MeV, ap is the pairing term constant and has a value of 34 MeV, A is the mass number, Z atomic number, and N is the number of neutrons.
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