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Ball-and-stick models typically show O2 as a straight, linear O–O bond.

The Claim

In a ball-and-stick model of oxygen gas (O2), the bond between the two oxygen atoms is curved because of technical issues with the plastic stick.

Verified by Lenz ·

The Short Version

Standard ball-and-stick models of O2 do not use a curved bond. Reliable chemistry sources describe oxygen as linear and represent the O–O bond with a straight connector. If a classroom model appears curved, that usually reflects a bent or worn piece in a particular kit, or an intentional kit design choice, not a general fact that O2 models are curved because of plastic technical problems.

Caveats

  • O2 is a linear molecule; a curved connector does not represent its actual molecular shape.
  • A curved stick in a specific model can result from wear, bending, or deliberate kit design, not necessarily a manufacturing or technical defect.
  • The claim overgeneralizes from a possible one-off model appearance to ball-and-stick O2 models in general.

The Receipts

  1. Oxygen

    NIST Chemistry WebBook

  2. Oxygen

    PubChem (NIH)

  3. Oxygen | O2

    PubChem (NIH)

  4. Oxygen

    PubChem

  5. Oxygen

    Royal Society of Chemistry

  6. Oxygen (O2) Molecular Models

    Molecular Models Company

  7. Molecular models: O2

    McGraw-Hill Education

  8. Molecule Shapes (legacy simulation)

    University of Colorado Boulder / PhET

  9. 2.4 Chemical Formulas - Chemistry

    eCampusOntario Pressbooks

  10. Chapter 6 – Molecular Structure

    WebAssign / textbook supplement (general chemistry)

+ 12 more sources — see the full list on Lenz

Filed Under

Oxygen Gas

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