Chemistry 0620 · IGCSE · Isotopes

Isotopes — practice question

Element T contains two isotopes, $^{12}_{6}\text{T}$ and $^{14}_{6}\text{T}$. Which of the following statements about these isotopes is correct?

  • AThey have different chemical properties because they have different numbers of neutrons.
  • BThey have the same chemical properties because they have the same number of outer shell electrons.
  • CThey have the same nucleon number because the sum of the number of protons and electrons is the same.
  • DThey have different positions in the Periodic Table because they have different numbers of neutrons.

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