46Pd106.42

Palladium

Transition metalsBlock dPeriod 5Group 10solid at 20 °C
Configuration :[Kr] 4d¹⁰
Atomic mass :106.42 u
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Modèle de Bohr · pédagogique

Electron configuration

Full[Kr] 4d¹⁰
Short[Kr] 4d¹⁰
Valence electrons10
KLMNOPQ shells
K2
L8
M18
N18

Electronegativity

Pauling2.2
Allen1.58
Mulliken (eV)

Atomic radii

Empirical140 pm
Calculated169 pm
Covalent139 pm
Van der Waals163 pm
Ionic radii (Shannon-Prewitt)
+286 pm

Successive ionisation energies

I₁804.4 kJ/mol
I₂1870 kJ/mol
I₃3177 kJ/mol
Electron affinity53.7 kJ/mol

Oxidation states

0+1+2+3+4
Bold states = most common.
Period 5Block dIUPAC Group 10Family Transition metals
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology