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Name: Bismuth
Symbol: Bi
Number of Energy Levels: 6
Electrons on the outer energy level: 5
Atomic number: 83
Atomic Mass: 207.2 Amu (Atomic Mass Units)
Protons/Electrons: 83
Neutrons: 126
Density: 9.8 g/cm3
Classification: Other Metals

Bismuth | Chemical elements

Bismuth has been known since ancient time. Its name derives from the German word "wissmuth" which means "white mass". Bismuth’s melting point is at 271.3 °C (544.45 K, 520.33997 °F) and its boiling point is at 1560.0 °C (1833.15 K, 2840.0 °F).

Top 23 interesting facts about Bismuth

  1. Bismuth’s chemical properties are similar to those of arsenic and antimony.
  2. Bismuth’s physical properties are similar to those of lead and tin.
  3. Bismuth in elemental form can occur naturally.
  4. Bismuth sulfide and bismuth oxide are important commercial ores.
  5. Bismuth has a pink color in the air and white-silver color when is freshly produced.
  6. Bismuth has a very low thermal conductivity.
  7. Bismuth has the highest Hall coefficient.
  8. Bismuth has a very high electrical resistance.
  9. Bismuth expands upon freezing.
  10. Bismuth has low toxicity for a heavy metal.
  11. Bismuth is used as a lead replacement.
  12. Bismuth burns in oxygen with a blue flame and the fume formed is yellow.
  13. Bismuth is naturally diamagnetic.
  14. Bismuth does not react with air at standard temperatures.
  15. Bismuth has only one stable isotope, 209-Bi.
  16. Bismuth is twice as abundant as gold in Earth’s crust.
  17. Bismuth is extracted from bismuthnite and bismite ores, and it is also a byproduct of lead, copper, tin, molybdenum, and tungsten production.
  18. Bismuth is mainly produced in China, Mexico, and Peru.
  19. Bismuth is used in production of pharmaceuticals, different pigments, and as a component of some cosmetic products.
  20. Bismuth is also used in metallurgy as additive (for casting and galvanizing) and in different alloys.
  21. Bismuth’s another use is in the production of solders and ammunition.
  22. Bismuth is also used in equipment for “lead-free” portable water systems.
  23. Bismuth is not considered toxic for human body.

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