Keywords: Nitrate-ion-resonance-hybrid-2D.png Resonance hybrid of the nitrate ion NO<sub>3</sub><sup> ˆ’</sup> Structure drawn in http //www cambridgesoft com/software/ChemBioDraw/ ChemBioDraw Ultra 12 0 Own 2010-08-31 Ben Mills Benjah-bmm27 Images by Ben Mills Nitrate ion Delocalized chemical bonding |