Name Bismuth
Symbol Bi
Atomic Number 83
Atomic Mass 208.98038 atomic mass units
Number of Protons 83
Number of Neutrons 126
Number of Electrons 83
Melting Point 271.3° C
Boiling Point 1560.0° C
Density 9.8 grams per cubic centimeter
Normal Phase Solid
Family Other Metals
Period 6
Cost $11 per 100 grams



Origin of Name From the German word weiße masse, meaning white mass
Date and Place of Discovery In France in 1753
Discovered by Claude François Geoffroy
Common Compounds
Interesting facts
  • It was known to the ancients.
  • It is a hard, brittle, steel-grey metal with a pink tint.
  • It is stable in oxygen and water and dissolves in concentrated nitric acid.
  • It is the most naturally diamagnetic of all the elements.
  • Only mercury has lower thermal conductivity.
  • Its toxicity is lower than most elements.
  • It is twice as abundant as gold in the earth's crust.
Common Uses
  • Cosmetics
  • Medicinal products, such as
  • Internal deodorant
  • Permanent magnets
  • Fire detection
  • Catalyst for making acrylic fibers
  • Solders
  • Ceramic glazes
  • Thermoelectric materials
  • Leukemia treament
  • Oil paint
  • Pipes
  • Lubricating greases
  • Fishing sinkers
  • Pyrotechnics
  • Ammunition
  • Riot gun projectiles


Photo Courtesy of
Chemical Elements
Jefferson Lab
Mrs. Purdy's Web Page
Web Elements

Bismuth Atomic Structure Elements by Name Elements by Number