Periodic Table Guide
Sulfur (S) has atomic number 16 and is classified as a nonmetal. It sits in Group 16, period 3 of the periodic table. Its practical relevance includes sulfuric acid, fertilizers, rubber vulcanization, petroleum processing and chemical manufacture.
Quick facts
Position in the periodic table
Nonmetals show very different bonding and physical behavior from metals. They are essential to chemistry, energy, biological systems and many modern materials, often appearing as gases, molecular solids or network structures.
Sulfur belongs to period 3. Its position helps explain recurring trends such as atomic size, bonding behavior, oxidation states and the way it interacts with neighboring elements.
Why Sulfur matters
In engineering and technology, sulfur is associated with sulfuric acid, fertilizers, rubber vulcanization, petroleum processing and chemical manufacture. The importance of the element may come from the pure element itself, from compounds containing it, or from its role as an alloying, electronic, catalytic or nuclear material.
Engineering and scientific context
Material behavior should never be inferred from the element name alone. Purity, isotope composition, crystal structure, processing history, temperature and the surrounding chemical environment can all change performance. In alloys and compounds, the contribution of sulfur depends on concentration and interaction with the other constituents.
Safety and handling
The hazards associated with Sulfur depend on its physical form, purity, compounds, process temperature and exposure route. Engineering decisions should use the applicable safety data sheet and project-specific risk assessment.
Related elements
Oxygen (O) · Selenium (Se) · Tellurium (Te) · Phosphorus (P)
Reference sources
For authoritative element data and current standard atomic-weight guidance, consult the Royal Society of Chemistry Periodic Table and the IUPAC Periodic Table of the Elements.
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