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The atomic mass of F^(19) is 18.9984 m(u...

The atomic mass of `F^(19)` is 18.9984 `m_(u)`. If the masses of proton and neutron are `1.0078 m_(u)` and `.0087 m_(u)`. Respectively, calculate the binding energy per nucleon (ignore the mass of electrons). `(1 m_(u) = 931) MeV)`

Text Solution

Verified by Experts

Mass defect
`= [{9 xx 1.0078) + (10 xx 1.0087)} - 18.9984] m_(u)`
`= 0.1588 m_(u)`
Binding energy per nucleon
`= (0.1588 xx 931) Mev//19`
7.78 MeV`
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