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Molecular Geometry

Definition

Molecular geometry refers to the three-dimensional arrangement or shape formed by atoms within a molecule.

Analogy

Consider molecular geometry as the blueprint of a house. Just like how the arrangement of rooms, doors, and windows determines how you move around in a house, the arrangement of atoms in a molecule determines its properties.

Related terms

VSEPR Theory: Valence Shell Electron Pair Repulsion theory predicts the shape of individual molecules based on the concept that electron pairs surrounding an atom tend to repel each other.

Bond Angle: The angle formed between three atoms across at least two bonds.

Tetrahedral Geometry: A type of molecular geometry where a central atom is bonded to four other atoms or groups, forming a shape similar to a pyramid with triangular faces.

"Molecular Geometry" appears in:

Practice Questions (5)

  • What is the molecular geometry of CO₂?
  • What is the molecular geometry of H₂O?
  • What is the molecular geometry of formaldehyde, CH₂O?
  • What is the molecular geometry of HCN?
  • What is the molecular geometry of NH₃?


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AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.