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Periodic table / Other non-metals

16Sulfur

Sulfur is an other non-metal in group 16, period 3. At 25 °C it is a solid.

S
Shells: 2, 8, 6. A simple picture: electrons do not move in circles.
Symbol
S
Atomic number
16 protons in the nucleus
Standard atomic weight
32.06 ± 0.02
Electron configuration
[Ne] 3s2 3p4
Electrons in each shell
2, 8, 6
Group, period, block
16, 3, p
Family
Other non-metals
State at 25 °C
solid
Electronegativity
2.58 (Pauling scale)
First ionisation energy
999.6 kJ/mol (10.3600167 eV)
Where these numbers come from

Atomic weight: IUPAC CIAAW, abridged standard atomic weights 2024. Electron configuration and ionisation energy: NIST Atomic Spectra Database. Family, state and electronegativity: PubChem. See Sources. Melting points, boiling points and densities are left out for now: published values differ between sources, and we will add them once each has been checked.