Chemistry 0620 · IGCSE · Isotopes

Isotopes — practice question

Which line identifies isotopes belonging to the same element?

  • Anumber of protons different; number of neutrons different
  • Bnumber of protons different; number of neutrons same
  • Cnumber of protons same; number of neutrons different
  • Dnumber of protons same; number of neutrons same

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