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JEE Advanced2007ChemistryChemical KineticsActual

A positron is emitted from ₁₁²³ Na . The ratio of the atomic mass and atomic number of the resulting nuclide is

Options

  1. A22/10
  2. B22/11
  3. C23/10
  4. D23 / 12

Correct answer

C. 23/10

Step-by-step solution

₁₁²³ Na ₁₀²³ Na + _ -1 ^0 e

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