👉 Sulfur is a chemical element with symbol S and atomic number 26. It has a metallic silver color and is commonly found in compounds that contain sulfur, such as sulfuric acid (H₂SO₄). Sulphates are compounds of sulfur, typically containing at least one other metal atom (such as oxygen or nitrogen), which can be formed by either the addition of an element to form a compound with fewer elements, or through chemical reactions. The term "sulfur"