Recognised as Chemical element
Sulfur
- S
- Z = 16
- nonmetal
Sulfur (S) is element 16, a nonmetal in period 3 and group 16. Its standard atomic weight is 32.06 Da. Weights follow IUPAC standard atomic weights, 2021 revision.
Identity
SymbolS
Standard atomic weight32.06atomic mass units (Da)
Mass in kilograms5.3236882 × 10^-26
Categorynonmetal
Group16
Period3
Blockp-block
Electrons in a neutral atom16
Neutrons in the most common isotope16≈
Electron configuration
Configuration1s² 2s² 2p⁶ 3s² 3p⁴ground state, subshells written in order of n
Noble gas shorthand[Ne] 3s² 3p⁴
Electrons per shell2, 8, 6K, L, M and outward
Electrons in the outer shell6
Unpaired electrons2Hund's rule; unpaired electrons make the free atom paramagnetic
Madelung ruleFollowedthe ground state is what the n + l filling order predicts
Quantities
Molar mass32.06 g/mol
Mass of one mole32.06 grams
Atoms in one gram1.878397 × 10^22
Mass of one atom5.3236882 × 10^-23 g
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