Sulfur

Sulfur is a yellow, non-metallic chemical element found in nature, primarily in minerals and as a part of various biological molecules. It has the symbol "S" and atomic number 16. Sulfur is crucial for life, as it is a component of amino acids and vitamins. It’s commonly known for its distinct smell, especially when it’s in compounds like hydrogen sulfide, which is associated with rotten eggs. Sulfur is used in industry for making fertilizers, chemicals, and explosives. It also plays a role in processes such as vulcanization of rubber and the production of sulfuric acid, a vital industrial compound.