Respuesta :
Si-28 has the highest relative abundance when compared to the other two isotopes when the term "isotope" is used.
The total amount of protons and neutrons in a given nucleus yields the atomic mass (A).
The atomic numbers (number of protons) of distinct atoms that make up the same chemical element can be different but their neutron counts can be the same. These atoms are known as the element's isotopes.
In other words, isotopes are atoms with similar numbers of protons but varying quantities of neutrons in their atomic nuclei.
The average atomic mass of an element, on the other hand, is comparable to the weighted average of the masses of the various isotopes of each element, accounting for the The Si-28 isotope therefore has the highest relative abundance compared to the other two isotopes since its average atomic mass is closer to that of silicon.
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