83 Bi 208.98
Bismuth
post-transition metal
Properties
- Atomic number
- 83
- Atomic mass
- 208.98 u
- Category
- post-transition metal
- Group
- 15
- Period
- 6
- Block
- p-block
- State (room temp)
- Solid
- Outer-shell electrons
- 5
- Electronegativity
- 2.02 (Pauling)
- Density
- 9.78 g/cm³
- Melting point
- 271.55 °C
- Boiling point
- 1563.85 °C
Electron configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p³
Noble-gas shorthand: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
Electrons per shell: 2, 8, 18, 32, 18, 5 — that's 5 in the outermost shell.
About 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.
- Discovered by Claude François Geoffroy
- Appearance: lustrous silver
Position in the periodic table
Data compiled from Wikipedia, PubChem, and IUPAC. Source.