A-Level CAIE Chemistry AS 3.5.1—The shapes of, and bond angles in, molecules Question Bank

• State/explain: the shapes of, and bond angles in, molecules by using VSEPR theory, including as simple examples:

- BF3 (trigonal planar, 120°)

- CO2 (linear, 180°)

- CH4 (tetrahedral, 109.5°)

- NH3 (pyramidal, 107°)

- H2O (non-linear, 104.5°)

- SF6 (octahedral, 90°)

- PF5 (trigonal bipyramidal, 120° and 90°)