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If energy is stored in chemical bonds, and bond formation is always an exothermic process, doesn't that imply that bond formation both stores and releases energy? How is this possible? I'm clearly not understanding some basic tenet of chemistry. For example, H+ and OH- neutralize to form H2O.
No. It is exothermic. Covalent and any other kind of bonds owe their stability to the fact that the total energy of the bonded atoms is lower than the sum of energies of the unbounded atoms. The excess energy is released, thus determining the exothermic character of bond formation. If the formation of a bond were accompanied by an increase of energy,the bond just wouldn't form at all, as in the case of two atoms of helium. I hope this will solicit more questions.