Sulfur is element 16, a non-metal of the p block, in group 16, period 3. Its ground-state configuration is [Ne] 3s2 3p4, and it usually shows the oxidation states -2, -1, 0, 2, 4, 6, 7.
Sulfur has been known since antiquity, so no discovery is credited for it.
Name origin: Latin sulphur, 'sulfur'.
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