As nouns the difference between sulfur and chloride
is that
sulfur is a chemical element (
symbol S) with an atomic number of 16 while
chloride is any salt of hydrochloric acid, such as sodium chloride, or any binary compound of chlorine and another element or radical.
As an adjective sulfur
is of a yellowish green colour, like that of sulfur.
As a verb sulfur
is to treat with sulfur, or a sulfur compound, especially to preserve or to counter agricultural pests.