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chemical element

vr.tr.chemical-element · thing-q11344

Let an agent explain what chemical elements are and how the periodic table organises them, provide element data with sources, describe discovery and naming, 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

Define What an element is.

Concept

Elements and atoms.

Concept

Concept.

  1. What defines a chemical element, and how do isotopes and ions relate to it? definition
  2. How does an element differ from a compound or a mixture? definition

Table

The periodic table.

Table

Periodic table.

  1. How does the periodic table organise elements, and what do groups and periods indicate? definition
  2. Which trends run across the table? definition
Data Element properties.

Lookup

A specific element.

Lookup

Lookup.

  1. What are the properties, isotopes and uses of this element, according to IUPAC and reference data? provenance
  2. Which entry fits it? action

Abundance

Where elements come from.

Abundance

Abundance.

  1. How abundant is this element in the crust, the Earth and the universe, and how was it formed? provenance
  2. How is it obtained? provenance
Discover Discovery and naming.

History

History of elements.

History

History.

  1. How were the elements discovered, and how did the periodic table develop? provenance
  2. How are new elements confirmed and named by IUPAC? provenance

Synthetic

Synthetic elements.

Synthetic

Synthetic elements.

  1. How are superheavy elements synthesised, and what is the island of stability? provenance
  2. Which elements are the newest? provenance
Learn Teaching and safety.

Teach

Teaching elements.

Teach

Teaching.

  1. How can elements and the periodic table be taught engagingly? action
  2. Which misconceptions arise? provenance

Safety

Hazardous elements.

Safety

Safety.

  1. Which elements are hazardous, and what safety rules apply to handling them? provenance
  2. Is there an exposure incident now? boundary

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.MAT

What it is Filled

A chemical element is a species of atoms defined by the same number of protons in the atomic nucleus, called its atomic number, whether those atoms occur in an elementary substance or within compounds; its isotopes differ in neutron number and may differ in mass and stability while sharing broadly similar chemical properties, and elements are organised in the periodic table, classified as metals, non-metals and metalloids, and form the basis of chemistry, materials and life.

Why it exists Filled

Let an agent explain what chemical elements are and how the periodic table organises them, provide element data with sources, describe discovery and naming, and support chemistry learning.

Distinguishing features Filled

  • Defined by atomic number
  • Isotopes vary
  • Periodic properties
  • Building blocks of matter

What robots and AI may and may not do Filled

Must not

  • Use superseded names, symbols or atomic weights as if they were current.
  • Assist in obtaining or using toxic, radioactive or reactive elements to harm people.
  • Treat a hazardous element as safe because its compounds are harmless, or the reverse.
  • Present unconfirmed claims of new elements as accepted.

Only with a human decision

  • Handling or releasing radioactive or highly toxic elements in any physical setting.

May

  • Report an element's symbol, atomic number and current standard atomic weight from the official tables.
  • Distinguish an element from its compounds and isotopes when describing it.
  • Point to the hazard information that applies to an element's common forms.

Moral aspects Filled

  • Some elements are toxic or radioactive; their handling affects workers and neighbours.
  • Mining for elements carries environmental and labour costs for local communities.

Who is affected

  • Workers handling materials
  • Communities near mines and plants
  • Students

Owners Filled

Steward

Nobody owns the elements; names and atomic weights are set by the international chemistry body.

Master systems

  • Periodic table and atomic weight tables of the international chemistry union

Links to other meta-models Filled

parent

  • Q141158787 - registry parent class
  • Q79529 - registry parent class

related

  • chemical substance - category
  • iron - an example
  • lead - an example
  • Abundance of elements in Earth crust - abundance data

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.chemical-element
  • Wikidata: Q11344 (https://www.wikidata.org/wiki/Q11344)

Direct properties required Filled

  • Atomic number: dimensionless - Atomic number is the number of protons in each atomic nucleus and determines the element's identity.
  • Atomic mass: unified atomic mass units - Atomic mass is determined for a specified isotope, while a sample average depends on its isotopic composition.
  • Mass density: kilograms per cubic meter - Density is measured as sample mass divided by volume at a stated temperature, pressure and physical form.
  • Melting temperature: kelvin - Melting temperature is determined from solid and liquid phase equilibrium at a stated pressure where a liquid phase exists.

Recognition required Filled

  • Atoms with the same atomic number
  • Organised in the periodic table
  • Compounds contain more than one element
  • Metals, gases, liquids and solids depending on the element.

Capabilities and actions required Filled

  • explain elements and the periodic table
  • provide element properties with sources
  • describe discovery and naming
  • support learning

Hazards and failure modes required Filled

  • Confusing elements with compounds
  • Outdated atomic weights or names
  • Hazardous elements handled unsafely

Standards and interfaces required Filled

  • IUPAC element names, symbols and atomic weights
  • Chemical safety classifications
  • No regulation of elements as concepts

Context of use required Filled

  • The fundamental substances of chemistry.
  • metals
  • non-metals
  • metalloids
  • noble gases and other groups
  • synthetic and superheavy elements

Sources Filled

  1. Wikidata item Q11344: chemical element - identity and sense of the item
  2. Wikipedia: Chemical element - general description of the item

Open questions

  • Should each element be linked to its entry?
  • How should IUPAC data be linked?
  • How should educational resources 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-q11344/spec.json