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Question 20 5 pts A U-238 atom (uranium-238) has a nucleus with 92 protons and an atomic mass of 238.0507882 u. What is the n
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Answer #1

Number of Protons =92

Number of neutrons =238-92 =146

Mass of neutron =1.008665 amu

Mass of protons =1.007825 amu

Mass of uranium =238.0507882

Mass of defect=238.0507882-92×1.007825-146×1.008665=1.9342018 amu

Binding energy per nucleon=1.9342018×931.5/238 =7.57 MeV

So, second option is correct

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