Chemistry 0620 · IGCSE · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

A covalent molecule M has four pairs of electrons shared between atoms. What is M?

  • Aammonia, $\text{NH}_3$
  • Bhydrogen chloride, $\text{HCl}$
  • Cmethane, $\text{CH}_4$
  • Dwater, $\text{H}_2\text{O}$

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