Bismuth subnitrate is a medication used as an antacid. Bismuth subnitrate, also referred to as bismuth oxynitrate or bismuthyl nitrate, is a highly water-soluble crystalline compound that has been used as a treatment for duodenal ulcers and anti-diarrheic agent
Bismuth subitrate . Chemical element of the periodic table whose symbol is Bi, its atomic number is 83 and is found in group 15 of the periodic system.
Bismuth expands upon solidification, this strange property makes it an ideal metal for foundries. Some of its alloys have unusually low melting points. It is one of the most strongly diamagnetic substances.