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 | HS UG-Intro |
Lab HW CQs |
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 | Chemistry Biology Earth Science Physics |
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| How do PhET simulations fit in my middle school program? |
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Sarah Borenstein | MS | Other | Biology Chemistry Physics Earth Science |
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| PhET Sims Aligned to the Chemistry Curriculum |
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Julia Chamberlain | UG-Intro HS |
Other | Chemistry | |
| Molecule Design Challenge Pre-Activity | Ashley Webb | HS | Guided Other |
Other Chemistry |
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| MS and HS TEK to Sim Alignment | Elyse Zimmer | MS HS |
Other | Biology Chemistry Physics |
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| VSEPR and Polarity | Jeff Drach | HS | Guided | Chemistry | ||
| Student Guide for PhET - Molecule Shapes in html5 | Brian Libby | HS | Guided HW |
Chemistry | ||
| Molecule Shapes BASICS | Aaron Keller | HS UG-Intro |
Guided Lab |
Chemistry | ||
| Molecule Shapes Advanced | Aaron Keller | UG-Adv UG-Intro HS |
Lab Guided |
Chemistry | ||
| PhET Shapes Inquiry Lab | Michael Kwasny | HS | Guided Lab |
Chemistry | ||
| Preguntas de razonamiento para todas las simulaciones HTML5 |
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Diana López | UG-Intro K-5 UG-Adv Grad MS HS |
HW Discuss |
Astronomy Mathematics Physics Chemistry |
| Simulações no Ensino de Fisica | Carla Tavares | HS | Demo Discuss MC Lab Guided Other HW |
Physics Earth Science Astronomy |
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| Design Team | Third-party Libraries | Thanks To |
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