{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.xenon","code":"thing-q1106","url":"https://ver.cy/models/thing/q1106/","name":"xenon","alternateNames":["xenon-121","xenon-123","xenon-136","xenon-123m","xenon-125m1","xenon-125m2","xenon-127m","xenon-129m","xenon-131m","xenon-132m","xenon-133m","xenon-134m1"],"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 colourless, dense noble gas, chemical element 54, present in trace amounts in the atmosphere and obtained by fractional distillation of liquid air; used in high-intensity lamps, ion propulsion for spacecraft, medical imaging and anaesthesia, and in physics experiments as a detector medium, with many stable and radioactive isotopes.","purpose":"Let an agent explain xenon as an element, relay its properties, isotopes, uses and handling information from reference sources, and separate it from other noble gases and from its compounds.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Noble gas, but forms compounds with fluorine and oxygen","Heaviest stable noble gas","Anaesthetic properties","Many isotopes used in research and medicine"],"structure":{"bundles":[{"id":"element","name":"Element","description":"What xenon is.","layers":[{"id":"properties","name":"Properties","description":"Properties and isotopes.","findings":[{"id":"properties-finding","name":"Properties","description":"Properties.","questions":[{"text":"What are the physical and chemical properties and isotopes of xenon?","kind":"definition"},{"text":"Is the question about the element, an isotope or a compound?","kind":"boundary"}]}]},{"id":"production","name":"Production","description":"Production.","findings":[{"id":"production-finding","name":"Production","description":"Production.","questions":[{"text":"How is xenon obtained, and what are production volumes, with sources?","kind":"measurement"},{"text":"Which entry fits air separation?","kind":"action"}]}]}]},{"id":"use","name":"Use","description":"Applications.","layers":[{"id":"applications","name":"Applications","description":"Uses.","findings":[{"id":"applications-finding","name":"Applications","description":"Applications.","questions":[{"text":"How is xenon used in lamps, propulsion, medicine and detectors?","kind":"provenance"},{"text":"Which entry fits ion thrusters?","kind":"action"}]}]},{"id":"medical","name":"Medical","description":"Medical uses.","findings":[{"id":"medical-finding","name":"Medical","description":"Medical.","questions":[{"text":"How is xenon used in anaesthesia and imaging, in general terms?","kind":"provenance"},{"text":"Is the user asking about their own treatment, which needs a clinician?","kind":"boundary"}]}]}]},{"id":"safety","name":"Safety","description":"Handling.","layers":[{"id":"handling","name":"Handling","description":"Handling.","findings":[{"id":"handling-finding","name":"Handling","description":"Handling.","questions":[{"text":"What handling rules apply to xenon as a compressed gas?","kind":"provenance"},{"text":"Which entry fits compressed gas safety?","kind":"action"}]}]},{"id":"monitoring","name":"Monitoring","description":"Radioxenon monitoring.","findings":[{"id":"monitoring-finding","name":"Monitoring","description":"Monitoring.","questions":[{"text":"How are radioactive xenon isotopes monitored for nuclear test verification, in general terms?","kind":"provenance"},{"text":"Which entry fits nuclear test monitoring?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"History and research.","layers":[{"id":"history","name":"History","description":"Discovery.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How was xenon discovered, and how were its compounds first made?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"research","name":"Research","description":"Research.","findings":[{"id":"research-finding","name":"Research","description":"Research.","questions":[{"text":"What research uses xenon, such as dark matter detectors?","kind":"provenance"},{"text":"Which entry fits particle detectors?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain xenon's properties, production and uses such as lamps, propulsion and imaging.","Monitor xenon supply and storage for the operator."],"mustNot":["Encourage inhaling xenon or using it as an anaesthetic outside medical supervision.","Handle pressurised xenon cylinders without proper restraint and ventilation.","Present radioactive xenon isotopes and stable xenon as interchangeable."],"requiresHuman":["Medical use of xenon in imaging or anaesthesia."]},"ethics":{"considerations":["Inhaled gases can displace oxygen and cause asphyxia in enclosed spaces.","Medical uses demand informed consent."],"affectedParties":["Workers handling gas","Patients"]},"owners":{"steward":"The person or company that holds it; gas safety and medical regulators set the rules.","roles":[],"masterSystems":[]},"relations":[{"target":"Q19609","type":"parent","note":"registry parent class"},{"target":"noble gas","type":"related","note":"group 18 element"},{"target":"ion thruster","type":"related","note":"spacecraft propulsion"},{"target":"krypton","type":"related","note":"the lighter neighbour"},{"target":"air separation","type":"related","note":"fractional distillation"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.xenon","Wikidata: Q1106 (https://www.wikidata.org/wiki/Q1106)","chemical symbol: Xe","CAS number: 7440-63-3"]},"properties":{"applicability":"required","items":["atomic number: 54","boiling point: about -108 degrees C","atmospheric abundance: about 0.09 parts per million by volume","stable isotopes: 7 isotopes - plus two very long-lived"]},"recognition":{"applicability":"required","items":["Element 54, group 18","Blue glow in discharge lamps","Krypton and radon are neighbouring noble gases","Colourless, odourless gas; glows blue in electric discharge."]},"capabilities":{"applicability":"required","items":["explain properties and isotopes","explain uses and how it is obtained","relay handling and safety information","distinguish it from other noble gases"]},"hazards":{"applicability":"required","items":["Asphyxiation in confined spaces","Anaesthetic effects at high concentration","Supply constraints and price volatility"]},"interfaces":{"applicability":"required","items":["Compressed gas handling standards","Medical gas regulation for anaesthetic use","Nuclear monitoring of xenon isotopes under the CTBT verification regime"]},"context":{"applicability":"required","items":["Lighting, ion propulsion, anaesthesia, imaging and detectors.","xenon gas","xenon isotopes including xenon-133 and xenon-135 in nuclear contexts","xenon compounds such as xenon difluoride","liquid xenon as a detector medium"]}},"sources":[{"title":"Wikidata item Q1106: xenon","url":"https://www.wikidata.org/wiki/Q1106","note":"identity and sense of the item"},{"title":"Wikipedia: Xenon","url":"https://en.wikipedia.org/wiki/Xenon","note":"general description of the item"}],"openQuestions":["Should xenon isotopes be separate entries?","How should supply data be linked?","The registry entry has merged isotope aliases; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q1106/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q1106/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T20:13:52Z","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}}