(E) According to the periodic table at the end of this book, what is the Group Number of...

(E) According to the periodic table at the end of this book, what is the Group Number of nitrogen?

a. (Check your work.) Does this match the number of dots on N in Fig. 2.1?

b. (E) How many line bonds are attached to N on the structure of NH₃?

c. (E) How many nonbonded electrons are drawn on N in NH₃?

d. Calculate the formal charge of each atom in NH₃?

(Reference Figure 2.1)