👉 Sulphur is a chemical element with the symbol S and atomic number 8. Sulphur is most commonly found in its elemental form, sulfur dioxide (SO2), which is a colorless, odorless gas that has been used for centuries as an oxidizing agent. It is also known as rust or rusting due to its ability to produce rust-like substances when exposed to oxygen and moisture. The chemical symbol for sulphur is S.
