Radioactivity is a natural disintegration of nuclei of heavy elements because only heavy elements Chemistry - Questions and Answers

Radioactivity is a natural disintegration of nuclei of heavy elements because only heavy elements

(a)Contain alpha particles

(b)Can have unstable nuclei with neutron : proton ration being quite uneven Right sign

(c)Contain excess of neutrons

(d)Can produce lead as the end product

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