A pair of nuclear isomers occurring in nature is uranium X_2 and uranium Z_1 , which are found in uranium decay s

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Q 1232145932.     A pair of nuclear isomers occurring in nature is uranium X_2 and uranium Z_1 , which are found in uranium decay series.
A

None of the above is correct.

B

Both these have same atomic number and same mass number

C

Both these isomers have same mass number but different atomic numbers

D

Both these isomers have same atomic number but different mass numbers

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