| Answer | Crossword Clue |
|---|---|
| sesquioxide | an oxide with three atoms of oxygen to two of the other constituent |
| sesquioxides | SESQUIOXIDE, an oxide with three atoms of oxygen to two of the other constituent |
| sesquisulphide | a compound with three atoms of sulphur to two of the other element or radical |
| sesquisulphides | SESQUISULPHIDE, a compound with three atoms of sulphur to two of the other element or radical |
| trioxides | An oxide containing three atoms of oxygen in its molecule or empirical formula |
| dioxides | An oxide containing two atoms of oxygen in its molecule or empirical formula |
