Sulfur is a chemical element of the periodic table of elements with symbol S (from Latin sulfur) and atomic number 16. It is a non-odorless metal, tasteless, very abundant. Its most common and common form is the crystalline yellow color. It is present in the form of sulphides and sulphates in many minerals and often finds itself pure in regions with active volcanoes.
It is an essential element for all living things, where it is present in two amino acids, cysteine and methionine, and consequently in many proteins. In the industrial field, it is mainly used for fertilizers, but also for shotguns, laxatives, insecticides and fungicides. In addition, sulfur - largely obtained as a refinery of hydrocarbons - is found in some disinfectants, is widely used in agriculture (where it is used for its fungicide properties, for example to fight phytopathologies such as oidia) is present In the head of the matches and in the ebanite.
The large quantities of coal burned by industry and power plants in the daily atmosphere in the very sulfur dioxide atmosphere, which reacts with oxygen and water vapor in the air to form sulfuric acid. This strong acid falls to the ground with rainfall leading to the famous acid rain that acidifies soils and water resources, causing serious damage to the natural environment of many industrialized regions.
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