# Chemical Bonds Quiz

## Make sure to try these on a piece of paper first

Question #4-1 Paper 1 Difficulty: Medium

Select which one of the following will have a dative (co-ordinate) covalent bond as well as resonance in their Lewis structure.

A. ${C}{O}$
B. ${N}{H}_4^+$
C. ${S}{O}_2$
D. ${H}_3{O}^+$

Question #4-2 Paper 2 Difficulty: Medium

This question is part of the Chemistry Online Revision Course
(but keep in mind that at least the first question of each topic is free!)