sulfur
Let an agent identify sulfur and its properties, relay production, uses, isotopes and biological roles from reference sources, relay safety and environmental information such as sulfur dioxide emissions, and distinguish it from its compounds.
Bundle → Layer → Finding → Questions Filled
4 bundles · 8 layers · 8 findings · 16 questions
Identify What sulfur is.
Properties
Properties and allotropes.
Properties
Properties.
- What are the properties and allotropes of sulfur? definition
- Is the question about the element or a compound? boundary
Isotopes
Isotopes.
Isotopes
Isotopes.
- Which isotopes exist, and how are they used in geochemistry? definition
- Which entry fits the specific isotope? action
Industry Production and uses.
Production
Production.
Production
Production.
- How is sulfur produced, from Frasch mining to recovery from oil and gas, and who produces it, with sources? provenance
- Which sources are cited? provenance
Uses
Uses.
Uses
Uses.
- How is sulfur used in sulfuric acid, fertilisers, rubber and other products? provenance
- Which entry fits sulfuric acid? action
Environment Environment and biology.
Emissions
Emissions.
Emissions
Emissions.
- How do sulfur emissions cause acid rain and pollution, and how are they regulated? provenance
- Which entry fits sulfur dioxide? action
Biology
Biological role.
Biology
Biology.
- What role does sulfur play in proteins, metabolism and the sulfur cycle? provenance
- Which references are standard? provenance
Context History and safety.
History
History.
History
History.
- How was sulfur known and used from antiquity, and when was it recognised as an element? provenance
- Which entry fits the history of chemistry? action
Safety
Safety.
Safety
Safety.
- What hazards does sulfur present, and what handling rules apply? provenance
- Is the user asking about a personal exposure, which needs a clinician or poison centre? boundary
Classifiers Filled
- Family
- Thing Registry
- Category
- Physical world and living systems
- Entry kind
- thing
- Plane
- PHY
- Domain
- PHY.MAT
- Other names and narrower kinds
- allotrope of sulfur, sulfur-34, sulfur-26, sulfur-27, sulfur-28, sulfur-29, sulfur-30, sulfur-37, sulfur-38, sulfur-39, sulfur-40, sulfur-41
What it is Filled
A chemical element with symbol S and atomic number 16, a yellow, brittle, non-metallic solid at room temperature that forms many allotropes and occurs in nature as the element, in sulfide and sulfate minerals and in fossil fuels; sulfur is produced mainly by recovery from oil and gas, is used chiefly to make sulfuric acid, fertilisers, rubber and chemicals, and is essential to life in amino acids and proteins.
Why it exists Filled
Let an agent identify sulfur and its properties, relay production, uses, isotopes and biological roles from reference sources, relay safety and environmental information such as sulfur dioxide emissions, and distinguish it from its compounds.
Distinguishing features Filled
- Yellow non-metal
- Many allotropes
- Essential element
- Sulfuric acid feedstock
What robots and AI may and may not do Filled
Must not
- Store or handle sulfur near ignition sources or let dust accumulate.
- Give guidance on using sulfur compounds to harm people.
- Release sulfur dioxide or hydrogen sulfide from a process outside permits.
- Enter confined spaces where sulfur gases may build up.
Only with a human decision
- Responding to a sulfur fire or gas release.
May
- Report sulfur's properties, forms and uses, such as in fertilisers and sulfuric acid.
- Monitor sulfur storage for heat, dust and fire in a facility that authorizes it.
Moral aspects Filled
- Sulfur fires release toxic gases; sulfur emissions cause acid rain and lung harm.
- Sulfur mining at volcanoes exposes workers to severe hazards.
Who is affected
- Workers
- Nearby residents
- Ecosystems affected by acid deposition
Owners Filled
Steward
The holder of the material; environmental and workplace safety regulators set limits.
Links to other meta-models Filled
parent
- Q104567 - registry parent class
- Q19753345 - registry parent class
related
- polyatomic nonmetal - in registry terms
- chalcogen - group 16
- sulfuric acid - the main use
- phosphorus - element 15
What else AI and robots need to interact with it Filled
Identity and identifiers required Filled
- Vercy registry: vr.tr.sulfur
- Wikidata: Q682 (https://www.wikidata.org/wiki/Q682)
- symbol: S
- CAS: 7704-34-9
Direct properties required Filled
- atomic number: 16 Z
- standard atomic weight: 32.06 u
- melting point: 115.2 degrees C - alpha form
- density: 2.07 g/cm3 - alpha form
Recognition required Filled
- Element 16, symbol S
- Yellow non-metal with many allotropes
- Sulfur compounds such as sulfides and sulfates are separate entries
- A bright yellow crystalline or powdery solid, odourless when pure, burning with a blue flame.
Capabilities and actions required Filled
- relay properties, allotropes and isotopes
- explain production and uses
- relay safety and environmental information
- distinguish element from compounds
Hazards and failure modes required Filled
- Sulfur dioxide from combustion and acid rain
- Dust fire and explosion
- Hydrogen sulfide in production
- Confusion with compounds
Standards and interfaces required Filled
- Air quality rules on sulfur dioxide
- Fuel sulfur limits for vehicles and shipping
- Chemical safety data sheets
- Fertiliser regulations
Context of use required Filled
- Sulfuric acid, fertilisers, rubber and chemicals.
- allotropes such as alpha and beta orthorhombic and monoclinic sulfur
- isotopes from sulfur-26 to sulfur-49, with four stable isotopes
- elemental and recovered sulfur
- sulfur in biology and geochemistry
Sources Filled
- Wikidata item Q682: sulfur - identity and sense of the item
- Wikipedia: Sulfur - general description of the item
Open questions
- Should allotropes and isotopes be separate entries?
- How should reference data be linked?
- The registry entry has merged aliases naming isotopes and allotropes; should they be split off?
Machine files
Provenance
thing registry research (pass 2) · unreviewed
Built from: models/things/publications/thing-q682/spec.json