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

Atoms, nuclei and radiation — practice question

A radioactive isotope of an element has a nucleus that releases an alpha particle. After that, the daughter nucleus releases a beta particle, and then the daughter nucleus from that reaction releases a second beta particle. Which statement describes the final nuclide formed?

  • AIt is a different isotope of the original element.
  • BIt is a nuclide of a different element of higher proton number.
  • CIt is a nuclide of the same element but with different proton number.
  • DIt is identical to the original nuclide.

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