$BF_3$ has a bond angle of 120° due to its trigonal planar geometry and absence of lone pairs. $SO_2$ has a bond angle of approximately 119.5°, less than 120°, due to the presence of a lone pair on ...

Students learn how to predict the shape of a molecule based on the electron dot diagram. Covalent Bonds: Students learn how to predict the shape of a molecule based on the electron dot diagram and to ...