Sulfur

Document v1 · published by Koskamo · updated 2026-10-04

Sulfur (S) is chemical element 16, a nonmetal in group 16, period 3 (PubChem).

Atomic number: 16
Symbol: S
Group: 16
Period: 3
Atomic mass: 32.07 u
Electron configuration: [Ne]3s2 3p4
Electronegativity (Pauling scale): 2.58
Atomic radius (van der Waals): 180 pm
Ionization energy: 10.360 eV
Electron affinity: 2.077 eV
Oxidation states: +6, +4, -2
Standard state: Solid
Melting point: 388.36 K
Boiling point: 717.75 K
Density: 2.067 g/cm³
Chemical group: Nonmetal
Year discovered: Ancient

Source and provenance

Original source: pubchem.ncbi.nlm.nih.gov
Published on Koskamo by: Koskamo
Citation version: Document v1
Reuse: PubChem periodic table data (NIH/NLM, pubchem.ncbi.nlm.nih.gov/ptable); group and period from Jefferson Lab via PubChem

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Version history

Published by Koskamo2026-10-04
Version 1