Bismuth (Bi) — Element 83: Properties & Data | Aladdin Scientific

Bismuth(Bi) — Element 83

Post-transition metal · Group 15 · Period 6

Bismuth (Bi) is a post-transition metal with atomic number 83 and atomic mass 208.98. It has melting point 544.55 K (271 °C), boiling point 1837 K (1564 °C), density 9.807 g/cm³. It sits in group 15 and period 6 of the periodic table and was discovered in 1753.

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Key facts

Atomic mass208.9804 u
Electron configuration[Xe]6s2 4f14 5d10 6p3
Oxidation states+5, +3
Electronegativity (Pauling)2.02
Atomic radius (van der Waals)207 pm
Ionization energy7.289 eV
Electron affinity0.946 eV
Melting point544.55 K
Boiling point1837 K
Density9.807 g/cm³
Standard stateSolid
Year discovered1753

Frequently asked questions

What is the electron configuration of bismuth?

The ground-state electron configuration of bismuth is [Xe]6s2 4f14 5d10 6p3.

What group and period is bismuth in?

Bismuth (Bi) is in group 15 and period 6 of the periodic table, classified as a post-transition metal.

What is the melting point of bismuth?

Bismuth melts at 544.55 K (271 °C).

What is the standard state of bismuth?

Bismuth is a solid at standard temperature and pressure.

About this data: property values compiled from IUPAC Standard Atomic Weights (2021), the NIST Atomic Spectra Database, and PubChem. Curated by the Aladdin Scientific technical team. Last reviewed: .

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