Answer
a. tetrahedral
b. bent
c. trigonal planar
d. trigonal planar
e. trigonal pyramidal
Work Step by Step
a. The carbon atom has a tetrahedral geometry because it has 4 electron regions and 0 lone pairs.
b. The nitrogen atom has a bent geometry because it has 4 electron regions and 2 lone pairs.
c. The carbon atom has a trigonal planar geometry because it has 3 electron regions and 0 lone pairs.
d. The carbon atom has a trigonal planar geometry because it has 3 electron regions and 0 lone pairs.
e. The nitrogen atom has a trigonal pyramidal geometry because it has 4 electron regions and one lone pair.
