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Sulfur: Characters, History & Applications

Sulfur, also spelled as sulphur, is a chemical element; it has symbol S and atomic number 16. It is abundant, multivalent and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with the chemical formula S8. Elemental sulfur is a bright yellow, crystalline solid at room temperature.

Language: English [EN]
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Sulfur topic overview

The analysis highlights Characters, History and Applications as prominent areas in the source structure around Sulfur.

Related topics
529
Source areas
8
Connected nodes
537
Extracted relationships
242
Related term clusters
81
Bridge connections
537

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 142 topics
Characteristics · 92 topics
Applications · 70 topics
Compounds · 67 topics
Biological role · 62 topics
History · 61 topics
Precautions · 18 topics
Production · 17 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

32S
94.8%
33S
0.760%
34S
4.37%
35S
trace
36S
0.02%
Allotropes
see Allotropes of sulfur

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Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Characteristics

Compounds

History

Production

Applications

Biological role

Precautions

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Sulfur connects Entity context

The extracted context around Sulfur shows recurring relationship patterns in the source. For example, Sulfur → Britain, British, France, Frasch, French, King Ferdinand II, Leblanc, Louisiana, Marseille, Sicily, Sicily's, Sulfur Crisis, Texas, United States Another extracted example is Sulfur → Anglo-French, Britain, Canada, Classical, English, Greek, Hellenized, Hellenized Latin, Latin, Middle English, Nonetheless, The Ancient Greek, United States, Webster's Dictionary. Use these groups to spot repeated connection types before inspecting the individual relationships.

Sulfur

Top relations

related to Modern times · 14
Sulfur → Britain, British, France, Frasch, French, King Ferdinand II, Leblanc, Louisiana, Marseille, Sicily, Sicily's, Sulfur Crisis, Texas, United States
related to Spelling and etymology · 14
Sulfur → Anglo-French, Britain, Canada, Classical, English, Greek, Hellenized, Hellenized Latin, Latin, Middle English, Nonetheless, The Ancient Greek, United States, Webster's Dictionary
related to Production · 12
Sulfur → Booker, Due, Earth, Elemental, Eventually, Frasch, Indonesia, Mining, Sicilian, Sicily, Throughout, Washington
related to Allotropes · 11
Sulfur → Amorphous, Besides S8, HPLC, Larger, Removing, S12, S18, S6, S7, S8, X-ray
related to Antiquity · 11
Sulfur → According, Anubis, Ebers Papyrus, Egypt, Egyptian, Egyptians, Elder, Pliny, Ptolemaic, Roman, Romans
related to Fertilizer · 11
Sulfur → Amino, Atmospheric, Biologically, CaSO4, Elemental, ES, Europe, Liebig's, S-oxide, SO2, Sulfates
related to Transferring sulfur between inorganic and biomolecules · 9
Sulfur → Another, Beggiatoa, H2S, Primitive, Robert Ballard, Selman Waksman, Sergei Winogradsky, Sulfur-based, Winogradsky
is a · 8
Sulfur → 10th most common element in the universe.Sulfur, bright yellow, commercial name for dusting sulfur formulated with additional ingredients to make it water miscible, component of gunpowder, essential element for all life, fifth most common element by mass in the Earth, most important fungicide, part of many bacterial defense molecules
related to Halogenation · 8
Sulfur → Bromine, II, IV, SOCl2, Sulfuryl, Thus, VI, Whereas
related to Metalloproteins and inorganic cofactors · 8
Sulfur → Cu, Cu2, DNA, Examples, Fe, Metalloproteins, Mo, RNA

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

used century sulfide compounds also elemental many form sulfate use acid bacteria found hydrogen organic common element chemical organosulfur natural

Sulfur relationships Subject–Predicate–Object triples

TTTA extracted 242 structured relationships around Sulfur. Examples in this analysis include Sulfur → 32S → 94.8% and Sulfur → 33S → 0.760%. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
Sulfur32S94.8%1.00infobox
Sulfur33S0.760%1.00infobox
Sulfur34S4.37%1.00infobox
Sulfur35Strace1.00infobox
Sulfur36S0.02%1.00infobox
SulfurAllotropessee Allotropes of sulfur1.00infobox
SulfurAlternative nameSulphur (pre-1992 British spelling)1.00infobox
SulfurAppearanceLemon yellow sintered microcrystals1.00infobox
Sulfurat T (K)3751.00infobox
SulfurAtomic number (Z)161.00infobox
SulfurBlockp-block1.00infobox
SulfurBoiling point717.8 K ​(444.6 °C, ​832.3 °F)1.00infobox
SulfurBulk modulus7.7 GPa1.00infobox
SulfurCAS Number7704-34-91.00infobox
SulfurCovalent radius105±3 pm1.00infobox
SulfurCritical point1314 K, 20.7 MPa1.00infobox
SulfurCrystal structurealpha (α-S8): ​orthorhombic (oF128)1.00infobox
SulfurCrystal structurebeta (β-S8): ​monoclinic (mP48)1.00infobox
SulfurDensity (near r.t.)alpha (α-S8): 2.07 g/cm3 beta (β-S8): 1.96 g/cm3 gamma (γ-S8): 1.92 g/cm31.00infobox
SulfurDiscoverybefore 2000 BCE1.00infobox
SulfurElectrical resistivity2×1015 Ω⋅m (at 20 °C) (amorphous)1.00infobox
SulfurElectron configuration[Ne] 3s2 3p41.00infobox
SulfurElectronegativityPauling scale: 2.581.00infobox
SulfurElectrons per shell2, 8, 61.00infobox
SulfurGroupgroup 16 (chalcogens)1.00infobox
SulfurHeat of fusionbeta (β-S8): 1.727 kJ/mol1.00infobox
SulfurHeat of vaporizationbeta (β-S8): 45 kJ/mol1.00infobox
SulfurIonization energies1st: 999.6 kJ/mol1.00infobox
SulfurIonization energies2nd: 2252 kJ/mol1.00infobox
SulfurIonization energies3rd: 3357 kJ/mol1.00infobox

Related concept clusters Related term clusters

The concept neighborhoods around Sulfur bring nearby vocabulary together. In this analysis, examples include Used, Century and Use. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • organosulfur compounds
    • Organosulfur
    • Organic
    • Cysteine
    • Hydrogen
    • Sulfide
    • Disulfide
    • Sulfate
    • Use
    • Many
    • Due
    • Natural
    • Sulfur
  • chemical element
    • Element
    • Acid
    • Common
    • Oxygen
    • Disulfide
    • Natural
    • Production
    • Organic
    • Sulfate
    • Form
    • Elemental
    • Compounds
  • natural gas
    • Gas
    • Natural
    • Due
    • Hydrogen
    • Organosulfur
    • Sulfide
    • Produced
    • Compounds
    • Water
    • Isotopes
    • Oxygen
    • Plants
  • sulfuric acid
    • Chemical
    • Production
    • Organic
    • Water
    • Use
    • Common
    • Hydrogen
    • Oxygen
    • Cysteine
    • Element
    • Process
    • Sulfate
  • hydrogen sulfide
    • Hydrogen
    • Sulfide
    • Use
    • Bacteria
    • Compounds
    • Natural
    • Sulfate
    • Gas
    • Oxygen
    • Cysteine
    • Organic
    • Organosulfur
  • sulfur isotopes
    • Used
    • Sulfate
    • Century
    • Use
    • Compounds
    • Many
    • Oxygen
    • Known
    • Natural
    • Produced
    • Production
    • Water
  • natural abundances
    • Gas
    • Hydrogen
    • Organosulfur
    • Due
    • Produced
    • Compounds
    • Sulfide
    • Isotopes
    • Oxygen
    • Black
    • Plants
    • Sulfur
  • chlorosulfuric acid
    • Chemical
    • Production
    • Organic
    • Water
    • Use
    • Common
    • Hydrogen
    • Oxygen
    • Cysteine
    • Element
    • Process
    • Sulfate

Connections between topic areas Semantic bridges

For Sulfur, one of the stronger structural bridges in this analysis connects Sulfur with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Sulfur — Overview · splits 395 ⟂ 143
Sulfur — Characteristics · splits 445 ⟂ 93
Sulfur — Applications · splits 467 ⟂ 71
Sulfur — Compounds · splits 470 ⟂ 68
Sulfur — Biological role · splits 475 ⟂ 63
Sulfur — History · splits 476 ⟂ 62
Sulfur — Precautions · splits 519 ⟂ 19
Sulfur — Production · splits 520 ⟂ 18

Map overview Semantic statistics

Sulfur

Nodes538
Edges537
Triples242
Avg. degree2
Density0.003717
Components1

Source & methodology

TTTA analyzes the structure around Sulfur to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Characters, History & Applications, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Sulfur · EN edition · Analysis: TopicsToTalkAbout

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