Indium
Block pPeriod 5Group 13solid at 20 °C
Configuration :[Kr] 4d¹⁰ 5s² 5p¹
Atomic mass :114.818 u
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Modèle de Bohr · pédagogique
Electron configuration
Full[Kr] 4d¹⁰ 5s² 5p¹
Short[Kr] 4d¹⁰ 5s² 5p¹
Valence electrons3
KLMNOPQ shells
K2
L8
M18
N18
O3
Electronegativity
Pauling1.78
Allen1.656
Mulliken (eV)—
Atomic radii
Empirical155 pm
Calculated156 pm
Covalent142 pm
Van der Waals193 pm
Ionic radii (Shannon-Prewitt)
+380 pm
Successive ionisation energies
I₁558.3 kJ/mol
I₂1820.7 kJ/mol
I₃2704 kJ/mol
I₄5210 kJ/mol
Electron affinity28.9 kJ/mol
Oxidation states
-5-2-1+1+2+3
Bold states = most common.