The most common isotope of uranium has an atomic number of 92 and mass number of 238. If a uranium atom alpha decays and emits a helium nucleus, what will the atomic number of the daughter nucleus be?.

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08-11-2022
Chemistry

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The most common isotope of uranium has an atomic number of 92 and mass number of 238. If a uranium atom alpha decays and emits a helium nucleus, what will the atomic number of the daughter nucleus be?.

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AnnuG AnnuG · Answer 1 · 2022-11-12T04:40:05-05:00

The most common isotope of uranium has an atomic number of 92 and mass number of 238. If a uranium atom alpha decays and emits a helium nucleus the atomic number of the daughter nucleus be is 234

Isotopes are the member of family of an element that all have the same number of proton but different number of neutron and the nucleus of uranium 238 decay by alpha emission to form a daughter nucleus and the thorium 234 this thorium in turn transform into protactinium 234 and then undergo beta negative decay to produce uranium 234

And uranium 238 undergoes alpha decay to become thorium 234 and in this reaction uranium 238 loses two proton and two neutron to become the element thorium 234

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