11. Bonding & Molecular Structure

In the Lewis structure of NH3, what is the formal charge of the nitrogen atom?

When O is the central atom of HCNO, what is the formal charge on the central O atom?

In the Lewis structure of ClF, what are the formal charges on Cl and F respectively?

In the structure of PO4^3- with three single bonds and one double bond, what is the formal charge of the phosphorus (P) atom?

What are the formal charges on the nitrogen atoms in NO2⁻ and NO3⁻?