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mercury

vr.tr.mercury · thing-q925

Let an agent explain mercury and its properties and isotopes, describe uses and their phase-out, relay toxicity and safety guidance from health and environmental authorities, and support chemistry learning.

Thing Registry Physical world and living systems PHY.MAT
Bundle → Layer → Finding → QuestionsClassifiersWhat it isWhy it existsDistinguishing featuresWhat robots and AI may and may not doMoral aspectsOwnersLinks to other meta-modelsIdentity and identifiersDirect propertiesRecognitionCapabilities and actionsHazards and failure modesStandards and interfacesContext of useSources

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Understand What mercury is.

Properties

Properties and isotopes.

Properties

Properties.

  1. What are the physical and chemical properties of mercury, why is it liquid, and what is known about its isotopes? definition
  2. Is the element, the planet or another sense meant? boundary

Compounds

Compounds.

Compounds

Compounds.

  1. What are the main inorganic and organic mercury compounds, and how do they differ in toxicity? definition
  2. Which entry fits a specific compound? action
Safety Toxicity and safety.

Exposure

Exposure and effects.

Exposure

Exposure.

  1. What are the health effects of mercury exposure, and what do health authorities advise about fish, dental amalgam and vapour? provenance
  2. Is a spill or exposure happening now, requiring a poison centre or emergency services? boundary

Spills

Spills and disposal.

Spills

Spills.

  1. How should small mercury spills from thermometers or lamps be handled and mercury products disposed of, according to authorities? provenance
  2. Which entry fits hazardous waste? action
Use Uses and regulation.

Uses

Historical and current uses.

Uses

Uses.

  1. How was mercury used in instruments, medicine, lamps, gold extraction and industry, and which uses continue? provenance
  2. Which entry fits a specific use? action

Convention

Minamata Convention.

Convention

Convention.

  1. What does the Minamata Convention require, and how are artisanal gold mining and contaminated sites addressed? provenance
  2. Which entry fits environmental treaties? action
Learn History and teaching.

History

History.

History

History.

  1. How has mercury been used and understood from antiquity through Minamata disease to modern regulation? provenance
  2. Which references are standard? provenance

Teach

Teaching.

Teach

Teaching.

  1. How can mercury be taught safely in chemistry? action
  2. Which misconceptions arise? provenance

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.MAT
Other names and narrower kinds
mercury (native), mercury-171, mercury-172, mercury-173, mercury-174, mercury-175, mercury-176, mercury-177, mercury-178, mercury-179, mercury-180, mercury-181

What it is Filled

A chemical element with atomic number 80, a dense silvery post-transition metal that is liquid at room temperature, occurring natively and mainly as cinnabar ore, with many isotopes, used historically in thermometers, barometers, dental amalgam, lamps, gold extraction and industry, and now restricted under the Minamata Convention because of its toxicity and environmental persistence; mercury exposure through vapour, compounds such as methylmercury in fish and contaminated sites is a public health concern managed by regulation.

Why it exists Filled

Let an agent explain mercury and its properties and isotopes, describe uses and their phase-out, relay toxicity and safety guidance from health and environmental authorities, and support chemistry learning.

Distinguishing features Filled

  • Liquid metal
  • High density
  • Toxicity
  • International restriction

What robots and AI may and may not do Filled

Must not

  • Heat, vacuum or sweep up spilled mercury in a way that spreads vapour.
  • Dispose of mercury or mercury-containing items in ordinary waste or drains.
  • Advise on using mercury in gold extraction or other processes that release it.
  • Help supply mercury in breach of the law.

Only with a human decision

  • Responding to a mercury spill in a home, school or workplace.

May

  • Explain mercury's properties, uses and health risks from authoritative sources.
  • Report mercury spills or broken mercury devices to the person responsible and point to official clean-up guidance.
  • Track mercury-containing items for licensed disposal.

Moral aspects Filled

  • Mercury damages the nervous system, especially in unborn children.
  • Mercury pollution from gold mining harms miners and river communities.

Who is affected

  • Children and pregnant women
  • Small-scale miners
  • Communities who eat fish

Owners Filled

Steward

The holder of the material; chemical and waste regulators control its trade and disposal.

Links to other meta-models Filled

parent

  • Q19591 - registry parent class

related

  • post-transition metal - category
  • halide class of minerals - mercury halide minerals
  • bismuth - a neighbouring element
  • carcinogen - hazardous substances

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.mercury
  • Wikidata: Q925 (https://www.wikidata.org/wiki/Q925)

Direct properties required Filled

  • Mass density: Approximately 13.5 at room temperature g/cm3 - Density depends on temperature and refers here to liquid elemental mercury.
  • Melting temperature: Approximately -38.8 degrees Celsius - This phase-transition temperature applies to pure elemental mercury near standard atmospheric pressure.
  • Boiling temperature: Approximately 356.7 degrees Celsius - This boiling temperature applies to pure elemental mercury at standard atmospheric pressure.

Recognition required Filled

  • Element 80, liquid at room temperature
  • Toxic and persistent
  • The planet Mercury and the Roman god are other senses
  • Silvery liquid metal.

Capabilities and actions required Filled

  • explain properties and isotopes
  • describe uses and phase-out
  • relay safety guidance
  • support learning

Hazards and failure modes required Filled

  • Vapour exposure from spills and broken devices
  • Methylmercury in fish
  • Contamination from artisanal gold mining

Standards and interfaces required Filled

  • Minamata Convention on Mercury
  • Occupational exposure limits
  • Food limits for methylmercury in fish

Context of use required Filled

  • A liquid metal element.
  • elemental mercury
  • inorganic mercury compounds
  • organic mercury such as methylmercury
  • mercury isotopes
  • mercury in products and industry

Sources Filled

  1. Wikidata item Q925: mercury - identity and sense of the item
  2. Wikipedia: Mercury (element) - general description of the item

Open questions

  • Should methylmercury be a separate entry?
  • How should Convention resources be linked?
  • How should spill guidance be linked?

Machine files

Card as JSON Specification Card backlog vercy.card/1

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q925/spec.json