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An artificial radioactive decay series b...

An artificial radioactive decay series begins with unstable `_94^241Pu`. The stable nuclide obtained after 8 `alpha`-decays and five `beta`-decays is

A

`_83^209Bi`

B

`_82^209Pb`

C

`_82^205T1`

D

`_82^201Hg`.

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