- Atomic Radius (Å)
Bismuth is a chemical element with symbol Bi and atomic number 83. Bismuth, a pentavalent post-transition metal, chemically resembles arsenic and antimony. Elemental bismuth may occur naturally, although its sulfide and oxide form important commercial ores.
83
Atomic Number
208.98
Atomic Mass (u)
544.67
Melting Point (K)
1837
Boiling Point (K)
9.78
Density (solid: g/cm³, gas: g/liter)
1.6
Atomic Radius (Å)
1.48
Covalent Radius (Å)
2.02
Electronegativity
7.29
First Ionization Energy (eV)
90.92
Electron Affinity
6
Number of Shells
5
Electron Valency
2, 8, 18, 32, 18, 5
Electron Shell Occupations
0.12
Specific Heat (J/g)