Figure 1
Shown below is the structure of caffeine in the centre and two different resonance states I and II with lone pairs and formal charges omitted.
-Referring to Figure 1,what is the formal charge of the nitrogen atom at A?

Question

Figure 1
Shown below is the structure of caffeine in the centre and two different resonance states I and II with lone pairs and formal charges omitted. 
-Referring to Figure 1,what is the formal charge of the nitrogen atom at A?

Quizplus · Accepted Answer

The Answer of Figure 1
Shown below is the structure of caffeine in the centre and two different resonance states I and II with lone pairs and formal charges omitted. 
-Referring to Figure 1,what is the formal charge of the nitrogen atom at A?

Figure 1 Shown Below Is the Structure of Caffeine in the Centre