30Zn65.38

Zinc

Transition metalsBlock dPeriod 4Group 12solid at 20 °C
Configuration :[Ar] 3d¹⁰ 4s²
Atomic mass :65.38 u
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Modèle de Bohr · pédagogique

Electron configuration

Full1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s²
Short[Ar] 3d¹⁰ 4s²
Valence electrons12
KLMNOPQ shells
K2
L8
M18
N2

Electronegativity

Pauling1.65
Allen1.588
Mulliken (eV)

Atomic radii

Empirical135 pm
Calculated142 pm
Covalent122 pm
Van der Waals139 pm
Ionic radii (Shannon-Prewitt)
+274 pm

Successive ionisation energies

I₁906.4 kJ/mol
I₂1733.3 kJ/mol
I₃3833 kJ/mol
I₄5731 kJ/mol
I₅7970 kJ/mol
Electron affinity

Oxidation states

-20+1+2
Bold states = most common.
Period 4Block dIUPAC Group 12Family Transition metals
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology