There are three naturally occurring stable isotopes of magnesium: 24MB, 25MB, and 2°MB, which haverelative abundances on Earth of 79%, 10%, and 11% respectively. Note that the atomic number ofmagnesium is 12.a)Discuss how the nucleus is held together. Refer to the binding energy of 192.82 x106 for a2*Mg atom, and the energy required to construct a charged sphere = 0.1496x1027b) The radioisotope of magnesium with the longest half-life is magnesium-28, with a half-life of20.9 hrs. Magnesium-28 decays through B- decay into aluminium-28. With reference tofundamental particles, describe the process which occurs in beta minus decay. Hencedetermine the equation for the decay of magnesium-28 into aluminum-28.

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see Attached #276.1 G12 Physics
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