Shapes of molecules

Front

Does not determine molecule shape?

Back

Lone pair of electrons on other attached atoms

Front

Greatest electron repulsion pairs

Back

Lone pair to lone pair

Front

Shape: trigonal pyramidal

Back

Characteristics: 3 bonds, 1 lone pair

Front

Planar shape

Back

Front

Bond angle

Back

120°

Front

Shape with lone pair of electrons

Back

Front

Bond angle in water molecule

Back

104.5°

Front

Bond angle in NF3

Back

107°

Front

109.5° bond angle in ethane

Back

Four electron regions around each carbon

Front

Electron regions around carbon in ethene

Back

3