An isotope with Z > 83, which lies close to the band of stability, will generall

Question

An isotope with Z > 83, which lies close to the band of stability, will generally decay through __________________________. Answer                                                   a.            ? decay                             b.            ? decay                             c.            positron decay                             d.            ? decay                             e.            electron capture An isotope with Z > 83, which lies close to the band of stability, will generally decay through __________________________. An isotope with Z > 83, which lies close to the band of stability, will generally decay through __________________________. ? decay ? decay positron decay ? decay electron capture                             a.            ? decay                             b.            ? decay                             c.            positron decay                             d.            ? decay                             e.            electron capture

Explanation / Answer

Answer is A. alpha decay since Elements that have atomic numbers from 20 to 83 are heavy elements, therefore the ratio is different. The ratio is 1.5:1, the reason for this difference is because of the repulsive force between protons: the stronger the repulsion force, the more neutrons are needed to stabilize the nuclei.

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