A-Level Chemistry Bond Angles and Shape

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2 electron pairs around the central atom

Shape: Linear Bond Angle: 180 Example: Carbon Dioxide (CO2)

Water

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

6 electron pairs around the central atom

Shape: Octahedral Bond Angle: 90 Example: Sulfur Hexafluoride (SF6)

Hydroxonium Ion

Shape: Pyramidal Bond Angle: 107 Formula: H3O+

Ammonia

Shape: Pyramidal Bond Angle: 107 Formula: NH3

Cis-platin

Shape: Square Planar Bond Angle: 90 Formula: [PtCl2(NH3)2]

4 electron pairs around the central atom

Shape: Tetrahedral Bond Angle: 109.5 Example: Methane (CH4)

Ammonium ion

Shape: Tetrahedral Bond Angle: 109.5 Formula: NH4+

5 electron pairs around the central atom

Shape: Trigonal bipyramid Bond Angle: 120 and 90 Example: Phosphorous Pentafluoride (PF5)

3 electron pairs around the central atom

Shape: Trigonal planar Bond Angle: 120 Example: Boron Trifluoride (BF3)

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