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

Atoms, nuclei and radiation — practice question

Uranium-235 can be written using the symbol $^{235}_{92}\text{U}$. Which row gives the numbers of nucleons, protons and neutrons in the nucleus of $^{235}_{92}\text{U}$?

  • Anucleons 92, protons 235, neutrons 143
  • Bnucleons 143, protons 92, neutrons 235
  • Cnucleons 235, protons 92, neutrons 143
  • Dnucleons 235, protons 143, neutrons 92

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