| Answer | Crossword Clue |
|---|---|
| superoxides | An oxide containing the anion O2- |
| superoxide | An oxide containing the anion O2- |
| bromides | A compound of bromine with another element or group, esp. a salt containing the anion Br? or an organic compound with bromine bonded to an alkyl radical |
| pentoxide | an oxide containing five atoms of oxygen in the molecule |
| suboxides | An oxide containing the lowest or an unusually small proportion of oxygen |
| polysulfide | A compound containing two or more sulfur atoms bonded together as an anion or group |
| polysulfides | A compound containing two or more sulfur atoms bonded together as an anion or group |
