ChemistryGeneral Chemistry

HF Isomers or Resonance Structures? Lewis Structure, Shape, and Polarity

Complete the HF molecular-model row: one single bond, three fluorine lone pairs, a linear polar molecule, and no ordinary isomers or resonance forms.

Question

Report: Structure of Molecules Using Molecular Models — HF (hydrofluoric acid).

For the HF entry, use the molecular-model procedure to construct and report on a model. Draw its Lewis structure with every bonding and nonbonding electron pair. Name the molecular shape. Decide whether the molecule is polar and explain why. Determine whether it has any likely isomers or resonance forms; draw them if they exist.

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Evidence boundary

The task is the standalone HF row on page 10 of David A. Katz's 2009 molecular-model worksheet, with the page 8 instructions applied to that row. The answer supplies theoretical structure, shape, polarity, and isomer/resonance conclusions. It does not claim the student's physical model was constructed or report invented measurements. The row labels HF as hydrofluoric acid, but its molecular-geometry task concerns neutral HF; aqueous ionization is a separate process.