Sulfur, also called sulphur, is a chemical element originated from Either from the Sanskrit ‘sulvere’, or the Latin ‘sulfurium’, both names for sulfur. It was early used before 2000 BC and discovered by Chinese and Indians. “S” is the canonical chemical symbol of sulfur. Its atomic number in the periodic table of elements is 16 with location at Period 3 and Group 16, belonging to the p-block. The relative atomic mass of sulfur is 32.065(5) Dalton, the number in the brackets indicating the uncertainty.