Chemistry 0620 · IGCSE · Elements, compounds and mixtures

Elements, compounds and mixtures — practice question

Which of these statements about compounds is correct?

  • ACovalent compounds are less volatile than ionic compounds.
  • BCovalent compounds conduct electricity when they are solid.
  • CIonic compounds conduct electricity when molten.
  • DIonic compounds are insoluble in water.

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