Chemistry 0620 · IGCSE · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

A covalent molecule $M$ has a total of four shared electrons. Identify $M$.

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

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