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2 days ago · Arsenic is a chemical element; it has symbol As and atomic number 33. It is a metalloid and one of the pnictogens, and therefore shares many properties with its group 15 neighbors phosphorus and antimony. Arsenic is a notoriously toxic heavy metal.
- metallic grey
- grey (most common), yellow, black (see Allotropes of arsenic)
Apr 20, 2024 · Arsenic, a chemical element in the nitrogen group (Group 15 [Va] of the periodic table), existing in both gray and yellow crystalline forms. Its chemical symbol is As, and it was first clearly identified as a free substance in 1649 by German pharmacist Johann Schroeder.
- The Editors of Encyclopaedia Britannica
3 days ago · Arsenic is a natural earth element found in soil and water. However, it is also a man-made contaminant that enters soil, water, and the air near some farms, factories, and mines due to the chemicals used in these businesses and hazardous sites. Arsenic has no nutritional benefit. In fact, it’s toxic. People get arsenic in their bodies from ...
23 hours ago · Regular exposure to arsenic, even at low levels, can slightly raise your risk of bladder, lung and skin cancer, as well as heart disease and Type-2 diabetes. It can also have a negative impact on ...
Apr 25, 2024 · EPA’s research for the new Arsenic Rule focused on the development and evaluation of innovative methods and cost-effective technologies for improving the assessment and control of arsenic contamination.
Apr 24, 2024 · This Arsenic Primer provides information on arsenic contamination and advice to support mitigation, from testing methods to the treatment of arsenic patients, from the water sector to the health and agriculture sectors.
Apr 15, 2024 · A membrane inspired by the arsenic–protein interactions in biological systems allows the efficient removal of various arsenic species from contaminated water.
