Cadmium
Block dPeriod 5Group 12solid at 20 °C
Configuration :[Kr] 4d¹⁰ 5s²
Atomic mass :112.414 u
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Modèle de Bohr · pédagogique
Electron configuration
Full[Kr] 4d¹⁰ 5s²
Short[Kr] 4d¹⁰ 5s²
Valence electrons12
KLMNOPQ shells
K2
L8
M18
N18
O2
Electronegativity
Pauling1.69
Allen1.521
Mulliken (eV)—
Atomic radii
Empirical155 pm
Calculated161 pm
Covalent144 pm
Van der Waals158 pm
Ionic radii (Shannon-Prewitt)
+295 pm
Successive ionisation energies
I₁867.8 kJ/mol
I₂1631.4 kJ/mol
I₃3616 kJ/mol
Electron affinity—
Oxidation states
-2+1+2
Bold states = most common.