2. Structure 2 — Models of Bonding and Structure
Formal Charge — Quiz
Test your understanding of formal charge with 5 practice questions.
Practice Questions
Question 1
What does formal charge help chemists estimate for an atom in a Lewis structure?
Question 2
Which expression is used to calculate formal charge for an atom?
Question 3
What is the formal charge on the central oxygen atom in $\text{H}_2\text{O}$?
Question 4
What is the formal charge on the nitrogen atom in the ammonium ion, $\text{NH}_4^+$?
Question 5
Why is formal charge useful when comparing possible Lewis structures?