Which is the best predictor of the radioactive nature of an isotope?
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The best predictor of the radioactive nature of an isotope is the neutron-to-proton ratio of the atom. Isotopes are atoms of elements having the same number of protons however they don't have the same number of neutrons. Each isotope of an element will have different values of mass number.
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The neutron-to-proton ratio can be said to be the best predictor of the radioactive nature of an isotope.The nucleus is unstable if the neutron-proton ratio is less than 1:1 or greater than 1:5.
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