{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-13T21:57:44Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 4, "engine": "claude", "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T11:00:00Z", "ingestedAt": "2026-10-06T07:43:16+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "gate": { "passed": true, "version": "1.0", "at": "2026-10-06T19:51:56+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q19600", "registryId": "vr.tr.nonmetal", "name": "nonmetal", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.MAT" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q19600/", "model": { "registry_id": "vr.tr.nonmetal", "name": "nonmetal", "purpose": "Let an agent explain nonmetals, relay properties, periodic table position and classification debates from chemistry sources with differing schemes attributed, describe the named subgroups including metalloids, and distinguish nonmetals from metals, metalloids, noble gases as a subgroup and non-metallic materials.", "definition": "A chemical element that generally lacks metallic properties, being a poor conductor of heat and electricity and tending to gain electrons, commonly including hydrogen, carbon, nitrogen, oxygen, phosphorus, sulfur, selenium, the halogens and the noble gases, and grouped by some sources as diatomic nonmetals such as hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine and iodine and polyatomic nonmetals such as carbon, phosphorus, sulfur and selenium; metalloids such as boron, silicon, arsenic and tellurium have intermediate properties and are classified variously, since IUPAC does not fix a single boundary.", "what_it_is_for": "Not applicable; a class of elements.", "affordances": [ "explain properties", "relay periodic table position", "describe named subgroups", "relay classification debates" ], "distinguishing_features": [ "Poor conductors", "High electronegativity", "Form covalent compounds", "Boundary debated" ], "appearance": "Varied: colourless gases, black or yellow solids, and red-brown liquid bromine.", "visual_identification": [ "Element lacking metallic character", "Metalloid, polyatomic nonmetal, diatomic nonmetal, halogen, noble gas", "Metals conduct and are malleable; metalloids are intermediate; noble gases are one nonmetal group; non-metallic materials are compounds" ], "physical_properties": [ { "quantity": "commonly counted nonmetals", "typical_range": "about 17-23", "unit": "count", "note": "depends on scheme" }, { "quantity": "location", "typical_range": "upper right of the periodic table, plus hydrogen", "unit": "note", "note": "" }, { "quantity": "IUPAC position", "typical_range": "no formal fixed definition of nonmetal boundary", "unit": "note", "note": "" } ], "families_and_kinds": [ "reactive nonmetals", "halogens", "noble gases", "diatomic and polyatomic nonmetals", "metalloids as borderline" ], "related_models": [ { "relation": "is a kind of", "target": "chemical element", "why": "in registry terms" }, { "relation": "includes", "target": "halogen", "why": "" }, { "relation": "includes", "target": "noble gas", "why": "" }, { "relation": "is contrasted with", "target": "metal", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "IUPAC periodic table recommendations" ], "failure_modes_and_hazards": [ "Presenting one classification as universal", "Confusing metalloids with nonmetals", "Hazards of reactive elements such as fluorine and white phosphorus" ], "in_scope": [], "out_of_scope": [], "characteristics": [], "agent_conduct": { "may": [ "Explain which elements are usually classed as nonmetals and why classifications differ.", "Distinguish nonmetals from metalloids, noting borderline elements such as selenium." ], "must_not": [ "Present one classification scheme as the only correct one.", "Give handling or preparation procedures for highly reactive nonmetals such as fluorine or white phosphorus outside a supervised setting.", "Assist in using reactive or toxic nonmetals to harm people.", "Downplay the fire and toxicity hazards of elemental nonmetals." ], "requires_human": [ "Handling, storing or disposing of reactive elemental nonmetals." ] }, "ethics": { "considerations": [ "Some nonmetals, such as white phosphorus, have been used as weapons against civilians." ], "affected_parties": [ "Students and teachers", "Laboratory workers", "Civilians near misuse" ] }, "owners": { "steward": "Nobody owns the category; chemical bodies maintain the periodic table and nomenclature.", "master_systems": [] } }, "sources": [ { "id": "wikidata", "title": "Wikidata item Q19600: nonmetal", "url": "https://www.wikidata.org/wiki/Q19600", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Nonmetal", "url": "https://en.wikipedia.org/wiki/Nonmetal", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What a nonmetal is.", "rationale": "Science.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is a nonmetal, and how does it differ from metals, metalloids, noble gases as a subgroup and non-metallic materials?", "kind": "definition" }, { "text": "Is the question about school chemistry, a specific element or classification?", "kind": "boundary" } ] } ] }, { "id": "subgroups", "name": "Subgroups", "description": "Named subgroups.", "findings": [ { "id": "subgroups-finding", "name": "Subgroups", "description": "Subgroups.", "questions": [ { "text": "What are metalloids, diatomic nonmetals and polyatomic nonmetals?", "kind": "definition" }, { "text": "Which entry fits the specific subgroup?", "kind": "action" } ] } ] } ] }, { "id": "chemistry", "name": "Chemistry", "description": "Properties.", "rationale": "Science.", "layers": [ { "id": "properties", "name": "Properties", "description": "Properties.", "findings": [ { "id": "properties-finding", "name": "Properties", "description": "Properties.", "questions": [ { "text": "What physical and chemical properties characterise nonmetals?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "bonding", "name": "Bonding", "description": "Bonding.", "findings": [ { "id": "bonding-finding", "name": "Bonding", "description": "Bonding.", "questions": [ { "text": "How do nonmetals form covalent and ionic bonds?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "classification", "name": "Classification", "description": "Classification debates.", "rationale": "Attribution.", "layers": [ { "id": "boundary", "name": "Boundary", "description": "Metal-nonmetal boundary.", "findings": [ { "id": "boundary-finding", "name": "Boundary", "description": "Boundary.", "questions": [ { "text": "Why do sources disagree on which elements are nonmetals or metalloids, with schemes attributed?", "kind": "provenance" }, { "text": "Which entry fits metalloid?", "kind": "action" } ] } ] }, { "id": "periodic", "name": "Periodic table", "description": "Periodic table colours.", "findings": [ { "id": "periodic-finding", "name": "Periodic table", "description": "Periodic table.", "questions": [ { "text": "How do different periodic tables colour nonmetal categories?", "kind": "provenance" }, { "text": "Is the presentation neutral and attributed?", "kind": "boundary" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Life and safety.", "rationale": "Context.", "layers": [ { "id": "life", "name": "Life", "description": "Elements of life.", "findings": [ { "id": "life-finding", "name": "Life", "description": "Life.", "questions": [ { "text": "Why do nonmetals such as carbon, oxygen and nitrogen dominate living matter?", "kind": "provenance" }, { "text": "Which entry fits CHON?", "kind": "action" } ] } ] }, { "id": "hazards", "name": "Hazards", "description": "Hazardous nonmetals.", "findings": [ { "id": "hazards-finding", "name": "Hazards", "description": "Hazards.", "questions": [ { "text": "Which nonmetals are especially hazardous, at reference level?", "kind": "provenance" }, { "text": "Which entry fits white phosphorus?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should metalloid be a separate primary entry?", "How should classification schemes be recorded?", "How should IUPAC sources be linked?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }