| Answer | Crossword Clue |
|---|---|
| monoxide | oxide containing one oxygen atom in each molecule |
| monoxides | An oxide containing one atom of oxygen in its molecule or empirical formula |
| pentoxide | an oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide |
| pentoxides | PENTOXIDE, an oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide |
| hemoglobin | A red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group |
| siloxane | any of various compounds containing alternate silicon and oxygen atoms in either a linear or cyclic arrangement usually with one or two organic groups attached to each silicon atom |
