Question

how many domains are around the indicated atom? 2 bonding/1 lone pair 3 bonding / 1 lone pair 3 bonding 4 bonding

Explanation:

Step1: Count bonding domains

The nitrogen atom is bonded to the carbon atom and two hydrogen atoms. So there are 3 bonding domains.

Step2: Count lone pairs

There is 1 lone pair of electrons on the nitrogen atom.

Answer:

3 bonding / 1 lone pair