Bismuth forms just one steady isotope, that of mass 209. Numerous radioactive isotopes are regarded, Many of them incredibly unstable. Industrial bismuth, having said that, is manufactured mostly as being a by-item in the smelting and refining of direct, tin, copper, silver, and gold ores. Hence, it will come—one example https://spherical-tungsten-powder83603.wikigdia.com/7002776/considerations_to_know_about_zinc_sulfur