Atomic Element Z = 83 • Post-Transition Metal
Bismuth (Bi) — Atomic Data, Electron Shells & Reactions
Bismuth (symbol Bi, atomic number 83) has a standard atomic weight of 208.98 u and ground-state configuration [Xe] 4f14 5d10 6s2 6p3.
Atomic Number (Z)
83
IUPAC Symbol
Bi
Standard Atomic Weight
208.98 g/mol
Period / Group / Block
6 / 15 / p-block
Condensed Electron Config
[Xe] 4f14 5d10 6s2 6p3
Full Subshell Config
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 6s2 6p3
Principal Shell Occupancy
[2, 8, 18, 32, 18, 5]
Pauling Electronegativity
2.02
First Ionization Energy
703 kJ/mol
Covalent Radius
148 pm
Melting Point
544.7 K (271.55 °C)
Boiling Point
1837 K (1563.85 °C)
Density
9.807 g/cm³
Oxidation States
+3, +5
Bi (Z=83) — Valence shell highlighted in vermilion