Chemistry 0620 · IGCSE · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

Which substance is a covalent compound with two atoms per molecule?

  • A$\text{Cl}_2$
  • B$\text{HCl}$
  • C$\text{H}_2\text{O}$
  • D$\text{MgO}$

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