VSEPR

The Shapes

# Electron Pairs	shape	Molecule	Picture	Lone pair examples
2	linear 180°	CO₂
3	trigonal planar 120°	BF_₃		Vshaped
4	tetrahedral 109.5°	CF_₄		Pyramid Bent
5	trigonal bipyramidal 120° 90°	PCl_₅		Saw Horse T Linear
6	octahedral 90°	SF_₆		Square Pyramide Square Planar T Linear

McMurry and Fay thorough display

sheffield explanations and self tests

purdue explanations and self tests

okanagan displays with and without lone pairs

Flick Coleman clear presentation AXE descriptions

Bridgewater State organized display

dot free approach

BF₃	BF₃ NH₃

Note how BF₃ changes from trigonal to pyramidal as the NH₃ lone pair is added