» Bismuth (Bi)


Bismuth (Bi)

Bismuth (Bi) — Post-transition metal. Atomic number 83.

Silvery-white crystalline metal

  • Atomic number: 83
  • Symbol: Bi
  • Atomic mass: 208.98 u
  • Category: Post-transition metal
  • State: Solid
  • Melting point: 271.55 °C / 544.7 K
  • Boiling point: 1563.85 °C / 1837 K
  • Density: 9.78 g/cm³ (20°C)
  • Electron configuration: [Xe] 4f14 5d10 6s2 6p3
  • Oxidation states: +3, +5
  • Electronegativity: 2.02
  • Discovered by: Claude François Geoffroy (1753)

Common uses: Cosmetics, Pharmaceuticals, Alloys

Biological role: Limited medicinal use.

Frequently Asked Questions about Bismuth

What is the atomic number of bismuth?
Bismuth has an atomic number of 83, meaning each atom contains 83 protons in its nucleus.

What is the atomic mass of bismuth?
The standard atomic weight of bismuth is 208.98 u (unified atomic mass units).

What category does bismuth belong to?
Bismuth is classified as a post-transition metal.

What is the state of bismuth at room temperature?
Bismuth is a solid at 20 °C (68 °F).

What is the melting point of bismuth?
The melting point of bismuth is 271.55 °C / 544.7 K.

What is the boiling point of bismuth?
The boiling point of bismuth is 1563.85 °C / 1837 K.

What is the density of bismuth?
The density of bismuth is 9.78 g/cm³ (20°C).

What is the electronegativity of bismuth?
Bismuth has a Pauling electronegativity of 2.02.

What is the electron configuration of bismuth?
The electron configuration of bismuth is [Xe] 4f14 5d10 6s2 6p3.

What are the common oxidation states of bismuth?
Bismuth commonly exhibits the following oxidation states: +3, +5.

When was bismuth discovered?
Bismuth was discovered in 1753 by Claude François Geoffroy.

Is bismuth radioactive?
Bismuth is a naturally occurring radioactive element; all of its isotopes are radioactive.

What is the biological role of bismuth?
Limited medicinal use.

What are the common uses of bismuth?
Bismuth is used for: Cosmetics; Pharmaceuticals; Alloys.


Ages 2–5
Free right now
Free Toddler Learning, No Ads
TeddyBase learning app for toddlers
ABC, numbers, colours, animals, time and weekdays in simple tap-and-listen lessons.
No ads No in-app purchases No data collection
Download on the App Store
Stainless steel grill tongs holding grilled meat
BBQ essential
Keep Your Hands Away From the Heat
Long stainless-steel tongs for steaks, ribs, vegetables, and hot grill food.
14 inch reach · Locking handle
See it on Amazon