Molecule Shapes
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Topics
- Molecules
- VSEPR
- Lone Pairs
- Bonds
Description
Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare the model to real molecules!
Sample Learning Goals
- Recognize that molecule geometry is due to repulsions between electron groups.
- Recognize the difference between electron and molecular geometry.
- Name molecule and electron geometries for molecules with up to six electron groups surrounding a central atom.
- Compare bond angle predictions from the VSEPR-based model to real molecules.
- Describe how lone pairs affect bond angles in real molecules.
Teacher Tips
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Overview of sim controls, model simplifications, and insights into student thinking ( PDF ). |
Video Primer
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Teacher-Submitted Activities
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Authors | Level | Type | Subject |
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| Intermolecular Forces and Molecules - Interactive Lecture Demonstration |
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Ted Clark, Julia Chamberlain | UG-Intro | Demo | Chemistry |
| Molecule Shapes - Clicker Questions |
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Yuen-ying Carpenter, Robert Parson, Trish Loeblein | UG-Intro | MC | Chemistry |
| Molecule Shapes - Guided-Inquiry Activity |
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Timothy Herzog, Emily Moore | UG-Intro | Guided | Chemistry |
| Molecule Shapes- inquiry |
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Trish Loeblein | UG-Intro HS |
Lab CQs HW |
Chemistry |
| Molecular Geometry Flash Cards |
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Alycia Palmer | HS UG-Intro |
Guided | Chemistry | |
| Alignment of PhET sims with NGSS |
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Trish Loeblein | HS | Other | Physics Biology Chemistry Earth Science |
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| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Chemistry Physics Biology Earth Science |
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| PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | HS UG-Intro |
Other | Chemistry | |
| Molecule Design Challenge Pre-Activity | Ashley Webb | HS | Other Guided |
Chemistry Other |
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| MS and HS TEK to Sim Alignment | Elyse Zimmer | MS HS |
Other | Chemistry Physics Biology |
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| VSEPR and Polarity | Jeff Drach | HS | Guided | Chemistry | ||
| Student Guide for PhET - Molecule Shapes in html5 | Brian Libby | HS | HW Guided |
Chemistry | ||
| Molecule Shapes BASICS | Aaron Keller | UG-Intro HS |
Guided Lab |
Chemistry | ||
| Molecule Shapes Advanced | Aaron Keller | UG-Adv HS UG-Intro |
Lab Guided |
Chemistry | ||
| PhET Shapes Inquiry Lab | Michael Kwasny | HS | Lab Guided |
Chemistry | ||
| Preguntas de razonamiento para todas las simulaciones HTML5 |
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Diana López | UG-Intro Grad HS MS K-5 UG-Adv |
HW Discuss |
Chemistry Mathematics Astronomy Physics |
| Simulações no Ensino de Fisica | Carla Tavares | HS | HW Discuss Demo MC Other Lab Guided |
Astronomy Physics Earth Science |
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| Design Team | Third-party Libraries | Thanks To |
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