Physics 9702 · AS & A Level · Atoms, nuclei and radiation

Atoms, nuclei and radiation — practice question

What stays unchanged during $\beta$-emission from a set of identical nuclei in a substance?

  • Aenergy of the $\beta$-particles
  • Bneutron number of the nuclei
  • Cnucleon number of the nuclei
  • Dproton number of the nuclei

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