Chemistry 0620 · IGCSE · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

A covalent molecule Q has just six shared electrons. What is Q?

  • Aammonia, $\text{NH}_3$
  • Bchlorine, $\text{Cl}_2$
  • Cmethane, $\text{CH}_4$
  • Dwater, $\text{H}_2\text{O}$

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