VSEPR Molecular Geometry Model Kit

SKU: 68823W

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Explore 15 molecular geometries with Indigo®’s VSEPR model kit. Perfect for chemistry labs studying shape, polarity, and bonding theory.

The Indigo® Molecular Geometry Shapes VSEPR Kit lets you visualize how electron-pair repulsion determines 3-D molecular structure. This advanced teaching kit shows fifteen distinct geometries, linear through octahedral, demonstrating how lone pairs and multiple bonds alter bond angles and molecular shape. Built from durable, autoclavable components, it’s ideal for advanced high-school and university chemistry courses exploring bonding, hybridization, and polarity.

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Details

Educational Value Table Framework (EVTF)

Concept Description Activity Learning Link
Electron Domain Repulsion Understand how electron pairs, bonding and non-bonding, determine molecular geometry. Build and compare linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral models. VSEPR Theory; Lewis structures; molecular shapes.
Lone Pair Effects See how lone pairs compress bond angles and create shape variations (e.g., bent, trigonal pyramidal). Assemble variants with 1-3 lone pairs and compare predicted vs. observed geometries. Hybridization; electron density mapping.
Polarity and Molecular Shape Relate shape to dipole moment and molecular polarity. Use polar and non-polar examples to predict intermolecular forces. Chemical bonding; physical properties.
Expanded & Reduced Octets Illustrate trigonal bipyramidal and octahedral geometries for elements with d-orbital participation. Model SF4, ClF3, XeF4, etc., to visualize real compounds. Valence shell expansion; bonding exceptions.
Unsaturated Systems Show π-bond alignment and orbital orientation in alkenes and alkynes. Construct ethene and acetylene using the kit plus optional extra octahedral atoms. Organic chemistry; hybridization of sp2 and sp orbitals.
Related information or images
Linear Molecular Geometry Model

Linear

Trigonal Planar Molecular Geometry Model

Trigonal Planar

Tetrahedral Molecular Geometry Model

Tetrahedral

Trigonal Bipyramidal Molecular Geometry

Trigonal Bipyramidal

Octahedral Molecular Geometry Model

Octahedral

Acetylene Molecular Model w/ Orbitals

Unsaturated Hydrocarbons

Parts
P/NDescriptionQTY
68186-20Wobbly bond, 20mm, each50
68216CAtom, Orbit, H "a", white, 1 prong20
68221CAtom, Orbit, Cl "a", green, 1 prong30
68225CAtom, Orbit, C "b", 180 degree, black1
68241CAtom, Orbit, C "j", planar: 120-120-120, black2
68244CAtom, Orbit, C "k", tetrahedral, black3
68258CAtom, Orbit "l", octahedral, grey5
68259CAtom, Orbit, C "m", trigonal bipyramidal, black4
68416COrbital for showing lone electron pair, white, Orbit style10
68417COrbital for showing lone electron pair, black, Orbit style10
Specifications

See Parts list for details. Additional pieces can be bought separately from the Orbit Components page.

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