Example image of eyePlorer eyePlorer map for 'Lone pair': Atom Chemical bond Valence electron Electron shell Molecule Atomic orbital Energy level Ammonia Chalcogen Halogen Hydrochloric acid Nitrogen group Atomic nucleus Electric charge Dipolar bond Hydrogen Hydronium Oxygen Carbon dioxide Water Mechanical equilibrium VSEPR theory Lead Tin Lead poisoning Lead(II) nitrate Porphobilinogen synthase Coordination number Enzyme inhibitor Carbon group Alkyne Bond order Germanium HOMO/LUMO Isocyanide Lewis acids and bases Organogermanium compound Alpha effect Amine Basic aromatic ring Carbon-nitrogen bond Neighbouring group participation Nitrenium ion Nitrogenous base Sulfur trioxide pyridine complex Aromaticity Carbon-oxygen bond Formal charge Nitrilimine Non-bonding orbital