Physics 0625 · IGCSE · Radioactivity

Radioactivity — practice question

The radioactive isotope of hydrogen decays by beta emission into the isotope $^{3}_{2}\text{He}$. What is the nuclide notation of the hydrogen isotope?

  • A$^{1}_{1}\text{H}$
  • B$^{2}_{1}\text{H}$
  • C$^{3}_{1}\text{H}$
  • D$^{4}_{2}\text{H}$

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