A-Level Chemistry Bond Angles and Shape Questions and Answers

A-Level Chemistry Bond Angles and
Shape Questions and Answers
2 electron pairs around the central atom – answer Shape: Linear
Bond Angle: 180
Example: Carbon Dioxide (CO2)

3 electron pairs around the central atom – answer Shape: Trigonal planar
Bond Angle: 120
Example: Boron Trifluoride (BF3)

4 electron pairs around the central atom – answer Shape: Tetrahedral
Bond Angle: 109.5
Example: Methane (CH4)

5 electron pairs around the central atom – answer Shape: Trigonal bipyramid
Bond Angle: 120 and 90
Example: Phosphorous Pentafluoride (PF5)

6 electron pairs around the central atom – answer Shape: Octahedral
Bond Angle: 90
Example: Sulfur Hexafluoride (SF6)

Ammonia - answerShape: Pyramidal
Bond Angle: 107
Formula: NH3

Water – answer Shape: Non-linear/V-shaped
Bond Angle: 104
Formula: H2O

Ammonium ion – answer Shape: Tetrahedral
Bond Angle: 109.5
Formula: NH4+

Hydroxonium Ion – answer Shape: Pyramidal
Bond Angle: 107
Formula: H3O+

Cis-platin - answerShape: Square Planar
Bond Angle: 90
Formula: [PtCl2(NH3)2]