This article is about Bismuth. You may be looking for other element indicated by "Bi", Thomsonian. Bismuth (symbol Bi) is a chemical element, a poor metal with atomic number 83 on the periodic table. Characteristics and history[edit | edit source] Bismuth has an atomic mass of 208.980. Bismuth was discovered by Humans in Earth's ancient history. (ST reference: Star Fleet Medical Reference Manual) External links[edit | edit source] Bismuth article at Wikipedia, the free encyclopedia. Bismuth article at Tardis Data Core, the Doctor Who wiki Retrieved from "https://memory-beta.fandom.com/wiki/Bismuth?oldid=666023" Categories: Elements Memory Beta articles sourced from reference works Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.