83BiBismuth208.980401[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
post-transition metal
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.
A stylized shell model. Electrons are quantum objects, not particles following these literal paths. Sizes and motion are illustrative.
Electrons by shell
Electron configuration
4f14
5d10
6s2
6p3
54 is the [Xe] core total across five shells.
At a glance
- Atomic number
- 83
- Atomic mass
- 208.980401 u
- Phase
- Solid
- Density
- 9.78 g/cm³
- Melting point
- 544.7 K
- Boiling point
- 1,837 K
- First ionization energy
- 703 kJ/mol
- Electronegativity
- 2.02
- Electron affinity
- 90.924 kJ/mol
- Molar heat capacity
- 25.52 J/(mol·K)
- Period
- 6
- Appearance
- lustrous silver
Conditions and isotopes affect measured properties. Some properties of short-lived elements are predicted. Electronegativity uses the Pauling scale.
Keep exploring
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