VSEPR Theory Molecular Geometry Introductory Lab

VSEPR Theory Molecular Geometry Introductory Lab
VSEPR Theory Molecular Geometry Introductory Lab
VSEPR Theory Molecular Geometry Introductory Lab
VSEPR Theory Molecular Geometry Introductory Lab
VSEPR Theory Molecular Geometry Introductory Lab
VSEPR Theory Molecular Geometry Introductory Lab
VSEPR Theory Molecular Geometry Introductory Lab
VSEPR Theory Molecular Geometry Introductory Lab
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Hands-on, active, visual introductory VSEPR Molecular Geometry Lab to help strengthen students’ spatial understanding of 3-D molecular shapes. Students begin this activity with a short reading that describes electron repulsion and the differences between 2-D Lewis structures and 3-D VSEPR theory shapes and their resulting bond angle differences. They are then to draw Lewis structures of 10 molecules, and practice naming them. They will then visit balloons model stations that illustrate the electron repulsion of lone and bonded electron pairs where they are given the names of the shapes. Next, students are asked to visit new model kit stations to build 3-D models of five molecules and using the patterns of the balloon stations, give the name of the molecular shape. Finally, there are post-lab questions on the handout for them to practice on their own.  This file includes the following:

  • Introduction to VSEPR Theory Model Lab handout
  • Teacher Station Labels  
  • Teacher Answer Key
  • Teacher Tips
  • Absentee Lab with pictures of balloon stations & pictures of the model kits already built for them to make their observations to fill-in the data table.

Materials needed:

  1. Balloons - both colored and white. I set up two sets of balloon stations A-E : a total of 28 colored balloons and 6 white balloons. You do not have to use multiple colors, a single color besides white works well.
  2. Molecular Models kits, un-built - I set-up two sets of  kit station F-J for VSEPR shapes tetrahedral, pyramidal, bent, trigonal planar and linear.

This is one my favorite activities that really helps my students understand and visualize the principles of minimizing electron repulsion and the resulting 3-D shapes of the VSEPR theory.

Related item(s):

VSEPR Review 10 Question Trail - Active review!

VSEPR and Dipole Moments Graphic Organizer - See my Instagram for student examples, or search #chemkate on Instagram

Questions/Suggestions/Corrections/Comments:

Feel free to ask any questions, suggestions, or corrections, please email me at ChemKateCk@gmail.com or leave a question on to the "Question and Answer" section of my store and I will get back with you quickly. Always happy to help!

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Total Pages
14 pages
Answer Key
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Teaching Duration
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$4.00
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