Question

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nucleus of Uranium decays at rest into nuclei of thorium and helium.

➡which nucleus has more kinetic energy​

Answer 1

helium nuclei has more kE..........

Uranium -238 emitting an alpha particles changes into thorium -234 .

generally, the nuclei with mass 238 or more goes under alpha decay . il such nuclei, by emitting alpha particles .these nuclei achieve greater stability. an alpha particles have high value of binding energy.

so we can said that .