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Question
The mass of a \[\ce{^7_3Li}\] nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon of \[\ce{^7_3Li}\] nucleus is nearly ______.
Options
46 MeV
5.6 MeV
3.9 MeV
23 MeV
Solution
The mass of a \[\ce{^7_3Li}\] nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon of \[\ce{^7_3Li}\] nucleus is nearly 5.6 MeV.
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