Compute the binding energy per nucleon for: Format of elemnt: (A Z) => (Protons+

Question

Compute the binding energy per nucleon for:

Format of elemnt: (A Z) => (Protons+nuetrons Protons)

(3 1)H (mass mesured at 3.016050 u)

(3 2)He (mass mesured at 3.016029 u)

(4 2)He (mass mesured at 4.002603 u)

(6 3)Li (mass mesured at 6.015123 u)

and (7 3)Li (mass mesured at 7.016004 u).

Note how extraordinarily strong bound the average nucleon in (4 2)He is compared to its neighboring nuclei. Describe some of the advantages that (4 2)He has over its neighbors that might explain its exceptionally tight binding

Explanation / Answer

The binding energy is BE=(mass differnce of parent and daughter nuclie)*c^2

The mass differnce is very large for (4 2)He and neighboring nicles (3 2) He or

(4 2)He and neighbour nicles (6 3) Li

The more binding energy indicates that state is very stable. it doe not compose any neighboring nuclei

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