Resonance is pretty weird. Let Professor Dave explain it to you. He will discuss the resonance structures for the carbonate and nitrate ions, and also provide the simplest possible explanation for how assign formal charges to atoms within a molecule. Watch the whole Organic Chemistry playlist: General Chemistry Tutorials: Biochemistry Tutorials: Biology Tutorials: Classical Physics Tutorials: Modern Physics Tutorials: Mathematics Tutorials: EMAIL► ProfessorDaveExplains@ PATREON► Check out "Is This Wi-Fi Organic?", my book on disarming pseudoscience! Amazon: Bookshop: Barnes and Noble: Book Depository: