Sulphate

Contents

Key Stage 4

Meaning

Sulphate is a negative ion with a relative charge of -2 and a chemical formula of SO₄^-2 which combine with positive ions to form salts.

About Sulphate

Sulphate has gained two electrons to have a relative charge of -2.

Sulphate forms ionic bonds with positive ions.

Sulphates containing a Sulphate are ionic compounds.

References

OCR

Sulphate ions (test for), page 59, Gateway GCSE Chemistry; The Revision Guide, CGP, OCR