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.
• 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)