About Bismuth. Bismuth is a chemical element located in position 83 of the periodic table of elements. The chemical symbol is Bi. It was among the top 10 metals that were discovered and classified, often confused with lead or tin. Its name comes from the German word "Wismuth" which means white table. The atomic number of Bismuth is 83 The atomic mass of Bismuth is 208.98038 Number of electrons - 83 It was discovered in 1753 - the French chemist Claude - Francoise Geoffrey wrote a book with data known at the time about this metal, so it is considered the discoverer of this element. The melting point is 271.3 ºC The boiling point is 1560 ± 5 ° C Density 9.8 gr / cm3 Classification - metal The main use of Bismuth is in alloys, cosmetics, ceramics, glazes, etc.