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

Atoms, nuclei and radiation — practice question

The isotope fluorine-18, $^{18}_{9}\text{F}$, decays by $\beta^+$ emission to produce a stable isotope. How many neutrons are present in the nucleus of the stable isotope?

  • A7
  • B8
  • C9
  • D10

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