Nonmetal, atomic number 16.
Sulfur or sulphur (see spelling differences) is a chemical element with symbol S and atomic number 16. It is an abundant, multivalent non-metal. Under normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S8.
Symbol S. Atomic mass 32.06 u. Group 16, period 3. Electron configuration [Ne] 3s2 3p4. Electrons per shell 2, 8, 6. State at room temperature: Solid. Melting point 115.2 °C, boiling point 444.6 °C. Discovered by Ancient china.
Element data from Wikipedia, CC BY-SA 3.0.