| Answer | Crossword Clue |
|---|---|
| perfluorocarbon | an organic compound in which much of the hydrogen has been replaced by fluorine |
| deuterated | (of a compound) In which the ordinary isotope of hydrogen has been replaced with deuterium |
| tritiated | (of a compound) In which the ordinary isotope of hydrogen has been replaced with tritium |
| stibine | any derivative of this compound in which the hydrogen atoms are replaced by one or more organic groups |
| arsines | any derivative of this compound in which one or more hydrogen atoms are replaced by organic groups |
| arsine | any derivative of this compound in which one or more hydrogen atoms are replaced by organic groups |
