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

Atoms, nuclei and radiation — practice question

Which word equation shows $\beta^+$ decay?

  • Aproton $\rightarrow$ neutron + electron + electron antineutrino
  • Bproton $\rightarrow$ neutron + electron + electron neutrino
  • Cproton $\rightarrow$ neutron + positron + electron antineutrino
  • Dproton $\rightarrow$ neutron + positron + electron neutrino

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