Answer to Question #21098 in Atomic and Nuclear Physics for Indrasis Roy
Мх(А,Z)>My(A, Z-1) + me,
where Mx - the mass of the initial nucleus,
My - the mass of the nucleus after emission,
me - mass of the electron.
When a nucleus breaks apart or undergoes a nuclear reaction the mass of the products is less than the mass of the initial nucleus. Missing mass is converted into energy.& And the mass of the initial nucleus is equal to the mass of the daughter nucleus plus the mass of the emitted particle plus - according to Einstein's equation E=mc2- the energy emitted in the decay and divided by c2. The energy that must be expended to split the nucleus into its component parts is called the binding energy of the nucleus ℰb.
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