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70Yb173.045
Ytterbium
LanthanidesBlock fPeriod 6solid at 20 °C
Configuration :[Xe] 4f¹⁴ 6s²
Atomic mass :173.045 u
3D Bohr-model representation of the Ytterbium atom (symbol Yb, atomic number Z=70). Electron shell configuration: 2, 8, 18, 32, 8, 2 electrons.
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Bohr model · educational
Electron configuration
Full[Xe] 4f¹⁴ 6s²
Short[Xe] 4f¹⁴ 6s²
Valence electrons2
KLMNOPQ shells
K2
L8
M18
N32
O8
P2
Electronegativity
Pauling1.1
Allen—
Mulliken (eV)—
Atomic radii
Empirical175 pm
Calculated222 pm
Covalent187 pm
Van der Waals—
Ionic radii (Shannon-Prewitt)
+386.8 pm
Successive ionisation energies
I₁603.4 kJ/mol
I₂1174.8 kJ/mol
I₃2417 kJ/mol
I₄4203 kJ/mol
Electron affinity—
Oxidation states
+1+2+3
Bold states = most common.