Chemistry 5070 · O Level · Isotopes

Isotopes — practice question

An oxygen atom has 8 electrons, 8 protons and 10 neutrons. What is the nucleon number of this atom?

  • A8
  • B10
  • C16
  • D18

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