Chemistry 0620 · IGCSE · Isotopes

Isotopes — practice question

Which row gives isotopes of one 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