VESPR theory …
Electron pairs will repeal other electron pairs around the atom to maximize the distance between them
The 5 shapes.
Linear
Trigonal Planar
tetrahedral
Trigonal pyramidal
Non linear
Bonding pairs and non binding pairs of liner
2 and 0
Linear bend angle
180
Trigonal planar bonding and unbonding pairs
3 and 0
Trigonal planar bend angle
120
Tetrahedral bonding and unbonding pairs
4 and 0
Tetrahedral bend angle
109.5
Trigonal pyramidal bonding and unbonding pairs
3 and 1
Trigonal pyramidal bend angle
107
Non linear bonding and unbonding pairs
2 and 2
Non linear bend angle
104