Learning Objectives
- Molecules have different 3D shapes.
- Lone pairs affect molecular shape.
- Bond angles depend on geometry.
Introduce geometry, lone pairs, and bond angles for common molecules.
Shape
Linear
Bond angle
180°
Lone pairs
0
Molecule
CO₂
Formula
electron pairs repel
Try this
Select the molecule with a linear shape.
Correct, CO₂ is linear.