The radionucleide { }_{90}^{234} T h 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]

AIEEE 2003 Chemistry Solved Paper

Section: Chemistry

Question : 44 of 76

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The radionucleide ‌90234Th undergoes two successive β-decays followed by one α-decay. The atomic number and the mass number respectively of the resulting radionucleide are

[AIEEE 2003]

94 and 230
90 and 230
92 and 230
93 and 234

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