Bismuth (Bi)
Bismuth (Bi, element 83) is a post-transition metal in group 15, period 6. Atomic mass 208.98, electron configuration [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³, uses and facts.
About Bismuth
Bismuth is a post-transition metal with the symbol Bi and atomic number 83. It is a solid at room temperature, and it sits in group 15, period 6 of the periodic table. Bismuth has been known since antiquity.
Bismuth key facts
- Atomic number: 83
- Symbol: Bi
- Atomic mass: 208.98 u
- Category: post-transition metal
- Group: 15
- Period: 6
- State at room temperature: solid
- Electron configuration: [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
- Electronegativity (Pauling): 2.02
- Melting point: 544.55 K (271.4 °C)
- Boiling point: 1837 K (1563.85 °C)
- Density: 9.78 g/cm³
- Common oxidation states: −3, +1, +2, +3, +4, +5
Electron configuration
The electron configuration of bismuth is [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³. The part in brackets is the noble gas core; the rest shows how the outer electrons fill their subshells. Bismuth has 5 valence electrons.
Uses of bismuth
- Pepto-Bismol
- Cosmetics
- Low-melting alloys
Did you know?
Bismuth crystals form spectacular staircase-shaped rainbow-colored structures when grown slowly.
Other elements in group 15 and neighbours
Frequently asked questions
What is the atomic number of bismuth?
The atomic number of bismuth is 83, which means every bismuth atom has 83 protons.
What is the electron configuration of bismuth?
The electron configuration of bismuth is [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³.
What group and period is bismuth in?
Bismuth is a post-transition metal in group 15, period 6.
What state is bismuth at room temperature?
Bismuth is a solid at room temperature.
What is bismuth used for?
Bismuth is used for pepto-Bismol, cosmetics, low-melting alloys.