Bismuth (Bi)
Bismuthum
Bismuth (Bi) is a post-transition metal in period 6, group 15. Its relative atomic mass is 208.98 and the molar mass of the atom is 208.98 g/mol.
Atomic number 83
Atomic mass 208.98
Molar mass 208.98 g/mol
Category Post-transition metal Solid
Properties of bismuth
| Atomic number | 83 |
|---|---|
| Symbol | Bi |
| Latin name | Bismuthum |
| Relative atomic mass | 208.98 |
| Molar mass | 208.98 g/mol |
| Group, period, block | 15, 6, p |
| Category | Post-transition metal |
| State at 20 °C | Solid |
| Electron configuration | [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³ |
| Electronegativity (Pauling) | 2.02 |
| Atomic radius | 160 pm |
Electron configuration of bismuth
Electrons per shell
K2L8M18N32O18P5
Full notation
1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p³
Noble-gas notation
83 protons · 83 electrons[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
Formula and compounds of bismuth
Simple substanceBibismuthMolar mass of Bi: 208.98 g/mol
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Frequently asked questions
The relative atomic mass of bismuth is 208.98, so the molar mass of the atom is 208.98 g/mol.
Full: 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 4f¹⁴ 5s² 5p⁶ 5d¹⁰ 6s² 6p³. Noble-gas notation: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³.