83Solid
Bi 208.98 Atomic mass · uPost-transition metals
Bismuth
Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent post-transition metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores.
Discovery Ancient (Claude François Geoffroy)
K2L8M18N32O18P5
Physical properties
Values for the element in its standard state.
- Density
- 9.78g/cm³
- Melting point
- 544K
- Boiling point
- 1,837K
- Atomic radius
- 146pm
- Bonding type
- Metallic
- Molar heat
- 25.52J/(mol·K)
Inside the atom
Electron arrangement and the energy behind its behavior.
Full electron configuration
1s, 2 electrons; 2s, 2 electrons; 2p, 6 electrons; 3s, 2 electrons; 3p, 6 electrons; 3d, 10 electrons; 4s, 2 electrons; 4p, 6 electrons; 4d, 10 electrons; 5s, 2 electrons; 5p, 6 electrons; 4f, 14 electrons; 5d, 10 electrons; 6s, 2 electrons; 6p, 3 electrons;
[Xe] represents 54 core electrons. The full view shows them explicitly.
83 electrons Orbital order preserved from source
- Electronegativity
- 2.02Pauling scale
- First ionization energy
- 703kJ/mol
- Electron affinity
- 91kJ/mol
- Van der Waals radius
- Not available
Bi BismuthAtomic number 83
703kJ/mol
Atomic numberGaps indicate unavailable data
About bismuth
- Appearance
- Lustrous silver
- Discovery
- Ancient (Claude François Geoffroy)
- Data source
- Read the reference
A missing value means it is unavailable in this reference dataset. Values can vary with measurement method and conditions.