## Chemistry and Chemical Reactivity (9th Edition)

a) 2 $\sigma$ and 2 $\pi$ bonds with a lone pair, hybridization is $sp^2$ and bond angle is approximately 120°. b) 3 $\sigma$ and 3 $\pi$ bonds with no lone pairs, hybridization is $sp^2$ and bond angle is approximately 120°. c) 3 $\sigma$ and 1 $\pi$ bonds with a lone pair, hybridization is $sp^3$ and bond angle is approximately 109°. d) 4 $\sigma$ and 2 $\pi$ bonds with no lone pairs, hybridization is $sp^3$ and bond angle is approximately 109°.