The radionucleide \[_{90}^{234}Th\] undergoes two successive \[\beta \]-decays followed by one \[\alpha \]-decay. The atomic number and the mass number respectively of the resulting radionucleide are [AIEEE 2003]

The radionucleide \[_{90}^{234}Th\] undergoes two successive \[\beta \

1.	The radionucleide \[_{90}^{234}Th\] undergoes two successive \[\beta \]-decays followed by one \[\alpha \]-decay. The atomic number and the mass number respectively of the resulting radionucleide are [AIEEE 2003]
A.	92 and 234
B.	94 and 230
C.	90 and 230
D.	92 and 230
Answer» D. 92 and 230

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The radionucleide \[_{90}^{234}Th\] undergoes two successive \[\beta \]-decays followed by one \[\alpha \]-decay. The atomic number and the mass number respectively of the resulting radionucleide are [AIEEE 2003]

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