| Chemical formula | Synonyms | CAS number |
|---|---|---|
| O | oxygen | 7782-44-7 |
| O2 | dioxygen | |
| O2− | superoxide ion | |
| O22− | peroxide ion | |
| OF2 | oxygen difluoride | 7783-41-7 |
| O2F2 | dioxygen difluoride | 7783-44-0 |
| OH− | hydroxide ion | |
| O3 | ozone | 10028-15-6 |
| O3− | ozonide ion |
Read more about this topic: List Of Organic Compounds