83 · Bi
Bismuth
Used by metallurgists with no single year. Distinguished from lead by Geoffroy in 1753.
Identity
- Atomic number
- 83
- Symbol
- Bi
- Canonical name
- Bismuth
- Category
- post-transition metal
- Group
- 15
- Period
- 6
- Block
- p
Properties
These quantities come from the Periodic Table JSON compilation. They have not yet been checked, one by one, against CIAAW atomic weights or NIST measurements. A value marked estimated is not a measurement.
- Atomic mass
- 208.980401 u
- Electron configuration
- [Xe] 4f14 5d10 6s2 6p3
- Electrons per shell
- 2, 8, 18, 32, 18, 5
- Standard state
- solid
- Density
- 9.78 g/cm³
- Melting point
- 544.7 K
- Boiling point
- 1,837 K
- Electronegativity
- 2.02 Pauling
- First ionization energy
- 703 kJ/mol
- Electron affinity
- 90.924 kJ/mol
History
Middle Ages
Bismuth was distinguished by miners and metallurgists before its eighteenth-century chemical identification. The date is not a single year.
A metal distinct from lead
Identification · confirmed · 1753
Geoffroy shows that bismuth is not a variety of lead. Earlier metallurgical use has no single year.
Etymology
- Theme
- other
- Language
- allemand
- Root
- Wismut
- Meaning
- uncertain etymology, linked to German Wismut
Scientists
Places and institutions
- Paris — historical setting : France — present country : France
See also
Sources
- IUPAC, Periodic Table of the Elements
- Bowserinator, Periodic Table JSON. Compilation secondaire d’où viennent les grandeurs physiques importées (masse, densité, températures, énergies). Elles ne sont pas revérifiées une à une auprès du NIST ou de la CIAAW.
- John Emsley, Nature’s Building Blocks: An A–Z Guide to the Elements