{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.uranium","code":"thing-q1098","url":"https://ver.cy/models/thing/q1098/","name":"uranium","alternateNames":["reprocessed uranium","uranium-238","High Enriched Uranium","uranium-217","uranium-218","uranium-219","uranium-220","uranium-221","uranium-222","uranium-223","uranium-224","uranium-225"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.MAT"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A dense, weakly radioactive metallic element, atomic number 92, found in ores such as uraninite; natural uranium is mostly uranium-238 with about 0.7 percent uranium-235, and it is used as fuel for nuclear power after enrichment or in natural-uranium reactors, in some medical and research isotopes, and historically in glass and ceramics, while its mining, enrichment and trade are controlled internationally.","purpose":"Let an agent explain uranium as an element and resource, relay its uses, hazards and the safeguards and regulatory regime from the IAEA and national authorities in general terms, and keep the entry to chemistry, energy and policy without operational detail on enrichment or weapons.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Heaviest naturally abundant element","Fissile isotope uranium-235 and fertile uranium-238","Fuel of most nuclear power reactors","Subject to international safeguards"],"structure":{"bundles":[{"id":"element","name":"Element","description":"What uranium is.","layers":[{"id":"properties","name":"Properties","description":"Properties and isotopes.","findings":[{"id":"properties-finding","name":"Properties","description":"Properties.","questions":[{"text":"What are the physical, chemical and nuclear properties of uranium and its isotopes?","kind":"definition"},{"text":"Is the question about the element or about weapons or enrichment detail, which the model does not give?","kind":"boundary"}]}]},{"id":"occurrence","name":"Occurrence","description":"Ores and deposits.","findings":[{"id":"occurrence-finding","name":"Occurrence","description":"Occurrence.","questions":[{"text":"Where does uranium occur, and how is it mined and concentrated?","kind":"provenance"},{"text":"Which entry fits uranium mining?","kind":"action"}]}]}]},{"id":"use","name":"Use","description":"Fuel cycle and other uses.","layers":[{"id":"fuel","name":"Fuel","description":"Nuclear fuel.","findings":[{"id":"fuel-finding","name":"Fuel","description":"Fuel.","questions":[{"text":"How does uranium become reactor fuel, in general terms, and what happens to spent fuel?","kind":"provenance"},{"text":"Which entry fits nuclear power?","kind":"action"}]}]},{"id":"other","name":"Other uses","description":"Other uses.","findings":[{"id":"other-finding","name":"Other","description":"Other.","questions":[{"text":"What other uses exist or existed, such as glass colouring and depleted uranium applications?","kind":"provenance"},{"text":"Which entry fits depleted uranium?","kind":"action"}]}]}]},{"id":"safety","name":"Safety","description":"Health and environment.","layers":[{"id":"health","name":"Health","description":"Health effects.","findings":[{"id":"health-finding","name":"Health","description":"Health.","questions":[{"text":"What do health authorities say about chemical and radiological hazards of uranium exposure?","kind":"provenance"},{"text":"Is the user asking about their own exposure, which needs a clinician or authority?","kind":"boundary"}]}]},{"id":"environment","name":"Environment","description":"Environmental issues.","findings":[{"id":"environment-finding","name":"Environment","description":"Environment.","questions":[{"text":"What environmental issues arise from mining and tailings, and how are they regulated?","kind":"provenance"},{"text":"Which entry fits radioactive waste?","kind":"action"}]}]}]},{"id":"control","name":"Control","description":"Safeguards and policy.","layers":[{"id":"safeguards","name":"Safeguards","description":"International control.","findings":[{"id":"safeguards-finding","name":"Safeguards","description":"Safeguards.","questions":[{"text":"How do the NPT and IAEA safeguards control uranium, in general terms?","kind":"provenance"},{"text":"Which entry fits nuclear non-proliferation?","kind":"action"}]}]},{"id":"history","name":"History","description":"History and debate.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How was uranium discovered and developed, and what policy debates surround it, with positions attributed?","kind":"provenance"},{"text":"Is the presentation neutral?","kind":"boundary"}]}]}]}]},"agentConduct":{"may":["Explain uranium's properties, occurrence, isotopes and civil uses from public sources.","Describe the health risks and the role of international safeguards in general terms."],"mustNot":["Assist in obtaining, enriching or diverting uranium outside licensed and safeguarded channels.","Give operational detail on enrichment, weapons design or evading safeguards.","Encourage handling uranium ores, compounds or tailings without radiation and toxicity controls.","Downplay the contamination legacy of mining for affected communities."],"requiresHuman":["Any handling, transport or trade of uranium materials."]},"ethics":{"considerations":["Uranium can power cities and can also be turned into weapons; control of it is a matter of global security.","Mining and tailings have harmed workers and communities, often indigenous ones."],"affectedParties":["Miners and nearby communities","The public at large","Workers in the nuclear fuel cycle"]},"owners":{"steward":"The licensed holder of the material; national regulators and the international safeguards authority account for it.","roles":[],"masterSystems":["National nuclear material accounting systems","International safeguards records"]},"relations":[{"target":"Q105789","type":"parent","note":"registry parent class"},{"target":"Q19577","type":"parent","note":"registry parent class"},{"target":"actinide","type":"related","note":"the element series"},{"target":"nuclear fuel","type":"related","note":"its main use"},{"target":"International Atomic Energy Agency safeguards","type":"related","note":"the control regime"},{"target":"nuclear fission","type":"related","note":"the process that uses it"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.uranium","Wikidata: Q1098 (https://www.wikidata.org/wiki/Q1098)","chemical symbol: U","CAS number: 7440-61-1","UN numbers: UN2977, UN2978 and others transport of uranium materials"]},"properties":{"applicability":"required","items":["atomic number: 92","density: about 19 g per cubic centimetre","uranium-235 in natural uranium: about 0.7 percent","half-life of uranium-238: about 4.5 billion years"]},"recognition":{"applicability":"required","items":["Element 92, very dense","Weak radioactivity detectable by instruments","Plutonium and thorium are different elements","A silvery-grey heavy metal that tarnishes in air; ores are dark or yellow-brown minerals; processed concentrate is yellowcake."]},"capabilities":{"applicability":"required","items":["explain properties and isotopes","explain the fuel cycle in general terms","relay health, environmental and safeguards information","route regulated or sensitive questions to authorities"]},"hazards":{"applicability":"required","items":["Chemical toxicity to kidneys and radiological dose from inhaled or ingested material","Mining and tailings contamination","Proliferation risk, addressed by safeguards","Agents giving operational detail on enrichment or weapons"]},"interfaces":{"applicability":"required","items":["Treaty on the Non-Proliferation of Nuclear Weapons and IAEA safeguards","National nuclear regulatory licensing for mining, processing and use","IAEA transport regulations for radioactive material","Occupational and environmental radiation protection standards"]},"context":{"applicability":"required","items":["Nuclear fuel; historically pigments and research.","natural uranium","low-enriched uranium for power reactors","depleted uranium from enrichment tails","reprocessed uranium","uranium ores and yellowcake","highly enriched uranium, which is restricted and not described operationally"]}},"sources":[{"title":"Wikidata item Q1098: uranium","url":"https://www.wikidata.org/wiki/Q1098","note":"identity and sense of the item"},{"title":"Wikipedia: Uranium","url":"https://en.wikipedia.org/wiki/Uranium","note":"general description of the item"}],"openQuestions":["Should isotopes be separate entries?","How should regulatory bodies be linked by country?","The registry entry has merged aliases for enrichment grades and many isotopes; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q1098/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1098/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T19:51:39Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}