First add electrons to an oxygen molecule and watch the bond stretch and die. Then run the contact process reactor and find the temperature that trades yield against speed.
| Bond length | 121 pm |
| Oxidation state per O | 0 |
| Found in | air |
| Electron count | — |
| Equilibrium constant K | — |
| SO3 in the mix | — |
| Rate guide, 430 °C set to 1 | — |