ウェブSulfur. Sulfur or sulphur ( /ˈsʌlfər/ sul-f ər; ) is the chemical element with atomic number 16, represented by the symbol S. It is an abundant, multivalent non-metal. At normal conditions, sulfur atoms form cyclic octatomic molecules with chemical formula S 8. Elemental sulfur is a bright yellow crystalline solid.
ウェブSulfur (also spelled sulphur in British English) is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules S 8 .