Which among the following isotopes is not fou | vedclass

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(D) Natural uranium consists of three primary isotopes: $_{92}U^{238}$ (approx. $99.27\%$),$_{92}U^{235}$ (approx. $0.72\%$),and $_{92}U^{234}$ (appro

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$_{92}U^{239}$

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(D) Natural uranium consists of three primary isotopes: $_{92}U^{238}$ (approx. $99.27\%$),$_{92}U^{235}$ (approx. $0.72\%$),and $_{92}U^{234}$ (approx. $0.0055\%$). $_{92}U^{239}$ is a synthetic isotope produced in nuclear reactors by neutron capture of $_{92}U^{238}$ and is not found in significant quantities in natural uranium deposits.

Which among the following isotopes is not found in natural uranium?

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