thorium-229m
type: Thing
description: isotope of thorium
additional property: PropertyValue
  property ID: P31
  value: nuclear isomer
additional property: PropertyValue
  property ID: P31
  value: isotope of thorium
additional property: PropertyValue
  property ID: P279
  value: thorium
additional property: PropertyValue
  property ID: P646
  value: /m/02q5yvz
additional property: PropertyValue
  property ID: P816
  value: thorium-229
additional property: PropertyValue
  property ID: P816
  value: thorium-229
additional property: PropertyValue
  property ID: P1086
  value: +90
additional property: PropertyValue
  property ID: P1122
  value: +1.5
additional property: PropertyValue
  property ID: P1123
  value: +1
additional property: PropertyValue
  property ID: P1148
  value: +139
additional property: PropertyValue
  property ID: P2114
  value: +2.0
confidence:
  popularity graph score:
    score: 0.0
    score pct: 0
    tier: long_tail
    components:
      sitelinks: 0
      sitelinks norm: 0.0
      unique citations: 1
      unique citations norm: 0.0
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 0
  unique citations: 1
  monthly pageviews: 0
  yearly pageviews: 2
  pageview trend:
    m: 2026-05
    v: 2
  tier: long_tail
claims:
  P31:
    value: Q846110
    source count: 0
    confidence: 0.0
    value label: nuclear isomer
  P31:
    value: Q1895097
    source count: 0
    confidence: 0.0
    value label: isotope of thorium
  P279:
    value: Q1115
    source count: 0
    confidence: 0.0
    value label: thorium
  P646:
    value: /m/02q5yvz
    source count: 0
    confidence: 0.0
  P816:
    value: Q15831435
    source count: 0
    confidence: 0.0
    value label: thorium-229
  P816:
    value: Q15831435
    source count: 1
    confidence: 0.2
    value label: thorium-229
  P1086:
    value:
      unit: 1
      amount: +90
    source count: 0
    confidence: 0.0
  P1122:
    value:
      unit: 1
      amount: +1.5
    source count: 1
    confidence: 0.2
  P1123:
    value:
      unit: 1
      amount: +1
    source count: 1
    confidence: 0.2
  P1148:
    value:
      unit: 1
      amount: +139
    source count: 0
    confidence: 0.0
  P2114:
    value:
      unit: http://www.wikidata.org/entity/Q7727
      amount: +2.0
    source count: 1
    confidence: 0.2
citations:
  source: NuDat
  stated in qid: Q21234191
  retrieved: 2016-06-23
meta:
  wikidata id: Q15831430
  domain: nuclear_isomer
  level: standard
  html url: https://4ort.xyz/entity/thorium-229m
  markdown url: https://4ort.xyz/entity/thorium-229m.md
  facts url summary: https://4ort.xyz/entity/thorium-229m/facts.json
  facts url standard: https://4ort.xyz/entity/thorium-229m/facts.json
  facts url full: https://4ort.xyz/entity/thorium-229m/facts.json
  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-23T11:07:01.235365Z
  entity updated at: 2026-05-03T23:45:09.469384+00:00Z
  entity created at: 2026-05-03T13:57:55.692792+00:00Z