The nucleus of an unknown isotope decays to another unknown isotope after 3 sequences of different particle emissions. Determine the emitted particle of thorium isotope resulting to protactinium- 234 isotope. The nucleus of bohrium-267 decays to an unknown isotope of mendelevium after 3 sequences of alpha-particle emissions. Determine the isotope after the second alpha-particle emission.

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A: Given Data: Radon produces a daughter nucleus that is radioactive, which in turn, produces its own…

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