66Dy162.5
Dysprosium
LanthanidesBlock fPeriod 6solid at 20 °C
Configuration :[Xe] 4f¹⁰ 6s²
Atomic mass :162.5 u
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Modèle de Bohr · pédagogique
Electron configuration
Full[Xe] 4f¹⁰ 6s²
Short[Xe] 4f¹⁰ 6s²
Valence electrons3
KLMNOPQ shells
K2
L8
M18
N28
O8
P2
Electronegativity
Pauling1.22
Allen—
Mulliken (eV)—
Atomic radii
Empirical175 pm
Calculated228 pm
Covalent192 pm
Van der Waals—
Ionic radii (Shannon-Prewitt)
+391.2 pm
Successive ionisation energies
I₁573 kJ/mol
I₂1130 kJ/mol
I₃2200 kJ/mol
I₄3990 kJ/mol
Electron affinity—
Oxidation states
+1+2+3+4
Bold states = most common.