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sulfide ion formula

Author

Liam Parker

Updated on June 15, 2026

Sulfide | S-2 – PubChem.

What is the formula and charge for sulfide ion?

Sulfide ion is represented as S2− which is an inorganic anion of sulfur.

Is sulfide Ionic?

Inorganic sulfides are ionic compounds containing the negatively charged sulfide ion, S2−; these compounds may be regarded as salts of the very weak acid hydrogen sulfide. Organic sulfides are compounds in which a sulfur atom is covalently bonded to two organic groups.

Is sulphur and sulphide same?

Sulphur is a chemical compound with the symbol S and has the atomic number 16. Sulphide is an inorganic anion of sulphur. It has the chemical formula S2-. Sulphur is sometimes found in the pure form but mostly occurs as sulphide or minerals of sulfate.

What is sulfide in periodic table?

Sulfides are compounds derived from the sulfide anion, S2-. As sulfur is a member of group 16 on the periodic table, it is considered a chalcogen, and sulfide compounds belong to a class of compounds known as chalcogenides.

What is sulfide ion?

Sulfide is an inorganic anion of sulfur with the chemical formula S2− or a compound containing one or more S2− ions. It contributes no color to sulfide salts. As it is classified as a strong base, even dilute solutions of salts such as sodium sulfide (Na2S) are corrosive and can attack the skin.

What is the formula of sulphate and sulphide?

Therefore the chemical formulas of sulphide, sulphate and sulphite are S−2,SO2−4and SO2−3 . Note:All the ions of sulphur like sulphate, sulphite and sulphide have a common charge of ‘-2’ on it. Sulphate and sulphite are the polyatomic ions of sulphur and are formed by the reaction of sulphur with oxygen atoms.

Which is the hydroxide ion?

OH− is a diatomic anion with chemical name Hydroxide. Hydroxide is also called Hydroxyl or Hydroxyl radical or hydroxide ion. It consists of a hydrogen and an oxygen atom which are held together by a covalent bond. The hydrogen carries a negative electric charge.