Sulphur is a chemical element with the symbol S and atomic number 16. It is a non-metal that is essential for life and is commonly found in nature, often in the form of sulfide and sulfate minerals. Sulphur is known for its bright yellow color and distinct smell, especially when burned, producing sulfur dioxide. This element plays a crucial role in various biological processes, including the formation of amino acids and proteins. Additionally, sulphur is widely used in industries, such as the production of fertilizers, chemicals, and pharmaceuticals, highlighting its importance in agriculture and manufacturing.