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3D Bohr-model representation of the Bismuth atom (symbol Bi, atomic number Z=83). Electron shell configuration: 2, 8, 18, 32, 18, 5 electrons.
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Bohr model · educational
Electron configuration
Full1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁶ 4d¹⁰ 5s² 5p⁶ 4f¹⁴ 5d¹⁰ 6s² 6p³
Short[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p³
Valence electrons5
KLMNOPQ shells
K2
L8
M18
N32
O18
P5
Electronegativity
Pauling2.02
Allen—
Mulliken (eV)—
Atomic radii
Empirical160 pm
Calculated143 pm
Covalent148 pm
Van der Waals207 pm
Ionic radii (Shannon-Prewitt)
+3103 pm
Successive ionisation energies
I₁703 kJ/mol
I₂1610 kJ/mol
I₃2466 kJ/mol
I₄4370 kJ/mol
I₅5400 kJ/mol
Electron affinity91.3 kJ/mol
Oxidation states
-3-2-1+1+2+3+4+5
Bold states = most common.