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Chemical Kinetics and Nuclear Chemistry question

2003 · Shift 0 · Q38
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Chemical Kinetics and Nuclear Chemistry question

2003 · Shift 0 · Q38

JEE MainChemistryChemical Kinetics and Nuclear ChemistryMCQ+4 / −1
The radionucleide 90234Th{}_{90}^{234}Th90234​Th undergoes two successive β\betaβ-decays followed by one α\alphaα-decay. The atomic number and the mass number respectively of the resulting radionucleide are
  1. A
    94 and 230
  2. B
    90 and 230
  3. C
    92 and 230
  4. D
    92 and 234
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