where an atom with a positive charge binds with one or more negatively charged sulfur atoms. Examples include chalcocite (copper sulfide), galena (lead sulfide), cinnabar (mercury sulfide), and ...

A good example of this substitution can be found ... but the bottom line is that sulfur is not a Greek loan word and so there is no 'phi' that needs to be replaced with 'ph'.

Nitrogen might be the king of yield, but if a corn plant is sulfur deficient, it won’t reach its maximum potential. Over the past 10 years, sulfur deficiency has become a significant issue.

Sulfur in your water supply is easily recognized by its offensive odor. Hydrogen sulfide gas causes the "rotten-egg" or sulfur water smell. Hydrogen sulfide in water causes no known health effects.

Examples of coordination by exogenous ligands ... but [Fe-S] clusters have now been seen to participate in varied chemistry, including sulfur exchange and ligand swapping. Clusters have been ...