Once you've mastered the rules for which electrons to resonate (video 2) it's important to understand which resonance structures are considered important or major contributors, and which are considered less important or minor contributors.
This video helps you rank resonance structures based on charge, electronegativity and more.
(Watch on YouTube: Structures. Click cc on bottom right for video transcription.)
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This is Video 3 in the Resonance Structures Video Series. Click HERE for the entire series.
Ready to test your resonance skills? Try my FREE Resonance Practice Quiz.
