Chemistry 5070 · O Level · Simple molecules and covalent bonds

Simple molecules and covalent bonds — practice question

Which two pairs of atoms are joined by an equal number of bonds?

  • Athe two carbon atoms in a $\text{C}_2\text{H}_4$ molecule; the carbon atom and one oxygen atom in a $\text{CO}_2$ molecule
  • Bthe two nitrogen atoms in an $\text{N}_2$ molecule; the two hydrogen atoms in an $\text{H}_2$ molecule
  • Cthe two oxygen atoms in an $\text{O}_2$ molecule; the carbon atom and one hydrogen atom in a $\text{CH}_4$ molecule
  • Dthe two oxygen atoms in an $\text{O}_2$ molecule; the two nitrogen atoms in an $\text{N}_2$ molecule

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