Draw the Lewis structure for the following molecular formulas.
(u) NH₄⁺

For each of the following structures,

1. Draw a Lewis structure; fill in any nonbonding electrons.

2. Calculate the formal charge on each atom other than hydrogen

d. [(CH₃)₃O]⁺

e. CH₃NC

f. (CH₃)₄NBr

Draw the Lewis structure for each of the following:

d. ⁺C2H5

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⁺

Draw the Lewis structure for each of the following:

e. CH₃N⁺H₃

Draw a Lewis structure for each of the following:

b. CO₃²⁻

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

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

Calculate the net charge of the molecule