Question
He23 and He13 nuclei have the same mass number. Do they have the same binding energy?
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Answer
The nuclei He23 and He13 have the same mass number. He23 has two protons and one neutron. He23 has one proton and two neutrons. As He3 has only one proton hence the repulsive force between protons is missing in 1He3, so the binding energy of 1He3 is greater than that of 2He3.
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