Dictionary entry overview: What does isle mean? â¢ ISLE (noun) The noun ISLE has 1 sense: 1. a small island Familiarity information: ISLE used as a noun is very rare.
The sulfate ion is SO42- The sulfite ion is SO32- and is more basic that sulfate.
Sulfide (systematically named sulfanediide, and sulfide(2â)) is an inorganic anion of sulfur with the chemical formula S 2â .It contributes no color to sulfide salts. As it is classified as a strong base, even dilute solutions of salts such as sodium sulfide (Na 2 S) are corrosive and can attack the skin.issolved free sulfides (H 2 S, HS â and S 2â) are very aggressive species for the corrosion of many metals such as steel, stainless steel, and copper. Sulfides present in aqueous solution are responsible for stress corrosion cracking (SCC) of steel, and is also known as sulfide stress cracking.