How to draw: Look for lone pairs, double and triple bonds that can be shifted around the molecule without disturbing the order in which the atoms are connected. Remember when shifting electrons around do not to exceed the octet rule for atoms which must follow it. 2. Fill in each box with a valid resonance structure(s) for the given molecules. Include all major and minor contributors. a. Easiest b. Harder HNCN: c. Hardest