Chemistry - the shapes of molecules

the rules that determine shapes of simple molecules, ( 3.6)

linear

2 bonded pairs

180°

triagonal planar

3 bonded pairs

120°

tetrahedral

4 bonded pairs

109.5°

triagonal bipyramid

5 bonded pairs

90° and 120°

octahedral

6 bonded pairs

90°

non-linear

2 bonded pairs

2 lone pairs

104.5°

triangular pyramid

3 bonded pairs

1 lone pair

107°

square planar

4 bonded pairs

2 lone pairs

90°

SF₆

octahedral

90°

CH₄

tetrahedral

109.5°

PCl₅

triagonal bipyramid

90° and 120°

BF₃

triagonal planar

120°

NH₃

pyramidal

107°

CO₂

linear

180°

H₂O

non-linear

104.5°