Answer :
The total binding energy of 80Zr is therefore approximately 4.58MeV.
What is isotopes?
An isotope is an atom of a particular element that has a different number of neutrons than other atoms of that same element. This difference in the number of neutrons causes the isotopes to have different atomic masses. Isotopes of an element can be either stable or unstable. Stable isotopes are not radioactive and do not decay, while unstable isotopes are radioactive and undergo radioactive decay.
The total binding energy of 80Zr can be estimated using the mass defect of the two isotopes. According to the semi-empirical mass formula, the binding energy of a nucleus is related to its mass defect. The mass defect of the two nuclei can be calculated by subtracting the mass of the separate nuclei from the mass of the combined nucleus.
The mass of 40Ca is 39.96259 amu and the mass of 80Zr is 79.91652 amu. The combined mass of the two nuclei is 119.87911 amu.
The mass defect of the combined nucleus is therefore 119.87911 - 39.96259 - 79.91652 = 0.005 amu,
or 0.005 x 931.5 MeV/amu = 4.58MeV.
The total binding energy of 80Zr is therefore approximately 4.58MeV.
To learn more about isotopes
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