Physics 0625 · IGCSE · The nuclear model of the atom

The nuclear model of the atom — practice question

Stars obtain their power from nuclear reactions that give out energy. Which statement describes the nuclear reaction occurring in stable stars?

  • ANuclear fission converts helium into hydrogen.
  • BNuclear fission converts hydrogen into helium.
  • CNuclear fusion converts helium into hydrogen.
  • DNuclear fusion converts hydrogen into helium.

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