a. Draw the best Lewis structure.

We start by counting the valence electrons. We know that nitrogen has 5 e^{-} each so we just multiply that by 3. Also, remember that we have a negative charge so we add one more e^{- }for that.

For the compound N_{3}^{-}:

a. Draw the best Lewis structure.

b. Determine the formal charge for all atoms.

c. What is the electron domain geometry?

d. What is the molecular shape?

e. Is the molecule polar?

f. What is the hybridization around the central atom?

g. How many sigma bonds are present?

h. How many pi bonds are present?

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