Chemistry 0620 · IGCSE · Isotopes

Isotopes — practice question

Isotopes of a single element have some characteristics that are alike and some that are unlike. Which row shows the characteristics that are alike and the ones that are unlike?

  • Anucleon number same, proton number same, number of outer shell electrons different
  • Bnucleon number different, proton number same, number of outer shell electrons same
  • Cnucleon number same, proton number different, number of outer shell electrons different
  • Dnucleon number different, proton number different, number of outer shell electrons same

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