Problem: Match each of the general molecular formulas below with its correct molecular geometry.AB4 with two lone pairs on AAB2 with two lone pairs on AAB2 with no lone pairs on AAB4 with one lone pair on AAB2 with one lone pair on AAB5 with no lone pairs on Abent with 120° bond anglesbent with 109.5° bond anglestrigonal bipyramidal wit 90° 120° and 180° bond anglessquare planar with 90° and 180° bond angleslinear with 180° bond angles

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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˚


Molecular Geometry:



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Problem Details

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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