CHE 11, Fall 1998
Quiz 8
November 13, 1998

1. Write the electron configuration for the following ions. (2 points each)

(a) Cr²⁺
(b) Ga⁺

2. Write a Lewis structure for IF₄⁺ and calculate the formal charge on the iodine atom. Does this structure follow the octet rule? (3 points)

3. Write a Lewis structure for NO₂^-, showing all resonance structures. Show the resonance hybrid. (3 points)