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16S32.06

Sulfur

Reactive nonmetalsBlock pPeriod 3Group 16solid at 20 °C
Configuration :[Ne] 3s² 3p⁴
Atomic mass :32.06 u
French :Soufre
3D Bohr-model representation of the Sulfur atom (symbol S, atomic number Z=16). Electron shell configuration: 2, 8, 6 electrons.
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Bohr model · educational

Electron configuration

Full1s² 2s² 2p⁶ 3s² 3p⁴
Short[Ne] 3s² 3p⁴
Valence electrons6
KLMNOPQ shells
K2
L8
M6

Electronegativity

Pauling2.58
Allen2.589
Mulliken (eV)

Atomic radii

Empirical100 pm
Calculated88 pm
Covalent105 pm
Van der Waals180 pm
Ionic radii (Shannon-Prewitt)
-2184 pm

Successive ionisation energies

I₁999.6 kJ/mol
I₂2252 kJ/mol
I₃3357 kJ/mol
I₄4556 kJ/mol
I₅7004.3 kJ/mol
Electron affinity200 kJ/mol

Oxidation states

-2-10+1+2+3+4+5+6
Bold states = most common.
Period 3Block pIUPAC Group 16Family Reactive nonmetals
Sources : NIST Atomic Weights & Isotopic Compositions, IUPAC Recommendations, CODATA. Methodology