Recall the bond angles:
Electron Regions Electronic Geometry Bond Angles
2 linear 180˚
3 trigonal planar 120˚
4 tetrahedral 109.5˚
5 trigonal bipyramidal 90˚, 120˚, and 180˚
6 octahedral 90˚ and 180˚
Match each of the general molecular formulas below with its correct molecular geometry.
AB4 with two lone pairs on A
AB2 with two lone pairs on A
AB2 with no lone pairs on A
AB4 with one lone pair on A
AB2 with one lone pair on A
AB5 with no lone pairs on A
bent with 120° bond angles
bent with 109.5° bond angles
trigonal bipyramidal wit 90° 120° and 180° bond angles
square planar with 90° and 180° bond angles
linear with 180° bond angles
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