Polonium
Block pPeriod 6Group 16solid at 20 °C
Configuration :[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
Atomic mass :209 u
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Modèle de Bohr · pédagogique
Electron configuration
Full[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
Short[Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁴
Valence electrons6
KLMNOPQ shells
K2
L8
M18
N32
O18
P6
Electronegativity
Pauling2
Allen—
Mulliken (eV)—
Atomic radii
Empirical190 pm
Calculated135 pm
Covalent140 pm
Van der Waals197 pm
Successive ionisation energies
I₁812.1 kJ/mol
Electron affinity—
Oxidation states
-2+2+4+5+6
Bold states = most common.