What is arsen?

Arsenic is a chemical element with the symbol As and atomic number 33. It is a metalloid, meaning it has properties of both metals and non-metals. Arsenic is commonly found in the Earth's crust and can be found in small amounts in soil, water, and air.

Historically, arsenic has been used for a variety of purposes, including as a pesticide, in medicines, and in the production of glass and metal alloys. However, arsenic is highly toxic and exposure to high levels of arsenic can cause serious health effects, including skin lesions, cancer, and neurological disorders.

Arsenic poisoning can occur through ingestion, inhalation, or skin contact with arsenic compounds. Chronic exposure to low levels of arsenic over time can also have negative health effects.

Arsenic contamination of drinking water is a major concern in many parts of the world, particularly in regions where groundwater is naturally high in arsenic. Efforts are being made to improve water quality and reduce exposure to arsenic in affected communities.

Overall, arsenic is a highly toxic element that requires careful handling and management to prevent harm to human health and the environment.