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

Atoms, nuclei and radiation — practice question

A neutron $^1_0\text{n}$ strikes a $^{235}_{92}\text{U}$ nucleus and is taken in by it. The nucleus then fissions into nuclei of $^{141}_{56}\text{Ba}$ and $^{92}_{36}\text{Kr}$. How many neutrons are released when the $^{235}_{92}\text{U}$ nucleus splits?

  • A$0$
  • B$1$
  • C$2$
  • D$3$

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