VSEPR
Valence Shell Electron Pair Repulsion Model
Possible ideal shapes? (5)
Linear
Trigonal Planar
Tetrahedral
Trigonal Bipyramidal
Octahedral
Lone pair shapes
Angular/bent
Trigonal pyramidal
Linear angle
180
Trigonal planar angle
120
Tetrahedral
109,5
Trigonal bipyramidal angle
120 in the plane
Top and bottom angle at 90s to plane
Octahedral angle
90
Trigonal Pyramidal bond angle
107,5
Angular angle
105