Shapes of molecules and ions - OCR AS Chemistry

This complete lesson on the shapes of molecules features a 42 slide PowerPoint showing the application of the electron pair repulsion theory in a highly visual way with high quality animated 3D images. Also included are starter, balloon modeling activity, model answer to exam question and plenary along with a 9 page workbook and a lesson plan. Exam tips and answers to all exercises are provided.
This lesson is part of a series covering the OCR AS Chemistry specification and relates to the following sections:
Module 2 – Foundations in chemistry
Part 2 – Electrons, bonding and structure
2.2.2 Bonding and structure

Content covered:
• Electron pair repulsion theory (VSEPR)
• Effect of lone pairs on shape
• Model answer to exam question
• How to draw simple shapes in 3D
• Bond angles

Duration: 1-2 lessons

Previous lesson: topic 16 – covalent bonding (in preparation)
Next lesson: topic 18 – Electronegativity and polarity (in preparation)

Save for later
  • PowerPoint-shapes-of-molecules-2.pptx
  • worksheet-shapes-of-molecules.pdf
  • answers-shapes-of-molecules.pdf
  • lesson-plan-shapes-of-molecules.pdf
  • Terms-of-Use-Quality-Resouces.pdf

About this resource


Created: Dec 5, 2019

Updated: Feb 14, 2020

pptx, 3 MB


pdf, 621 KB


pdf, 446 KB


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