1. A Review of General Chemistry

Which set of formal charges correctly corresponds to the three major resonance forms of $N_{2}O$ (nitrous oxide), written as $N-N-O$?

Given the Lewis structure of ${\mathrm{CO}}_2$, determine the formal charge on each atom.

a. Draw a Lewis structure for each of the following:

b. Draw a structure for each of the species that shows approximate bond angles.

c. Which species have no dipole moment?

1. CH₃N₂⁺