No.31464 That one of a series of sulphides of any element which has the lowest proportion of sulphur; a sulphide with but one atom of sulphur in the molecule.

🖊

☑️

⭕️

[[ AnswerCalc[0] ]] %

A

[[ AnswerCalc[1] ]]

[[ d.CommentTxt ]]

🏠 >   english >