Chemistry 0620 · IGCSE · Isotopes

Isotopes — practice question

Which of the following statements about isotopes is correct?

  • AThey have different proton numbers.
  • BThey have different chemical properties.
  • CThey have the same nucleon number.
  • DThey have the same number of electrons in their outer shell.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI