# terbium (Q1838)

| Property ID | Property | Value | Value entity | Amount | Unit | Date / from | Until | Rank | Sources |
| --- | --- | --- | --- | ---: | --- | --- | --- | --- | --- |
| P246 | Symbol | Tb |  |  |  |  |  | normal | Atomic weights of the elements 2009 (IUPAC Technical Report) |
| P138 | Named after | Ytterby mine | Q631733 |  |  |  |  | normal | Nature's Building Blocks An A-Z Guide of the Elements New Edition |
| P1086 | Atomic number | 65 |  | 65 |  |  |  | normal | periodic table |
| P61 | Discovered by | Carl Gustaf Mosander | Q468316 |  |  |  |  | normal | Nature's Building Blocks An A-Z Guide of the Elements New Edition |
| P575 | Discovered | 1843 |  |  |  |  |  | normal | Nature's Building Blocks An A-Z Guide of the Elements New Edition |
| P189 | Location of discovery | Stockholm | Q1754 |  |  |  |  | normal | Nature's Building Blocks An A-Z Guide of the Elements New Edition |
| P31 | Instance of | chemical element | Q11344 |  |  |  |  | normal |  |
| P233 | Canonical SMILES | [Tb] |  |  |  |  |  | normal | PubChem |
| P2067 | Mass | 158.9254 Da |  | 158.925354 | Da |  |  | normal | Chemistry International \| https://ciaaw.org/atomic-weights.htm |
| P274 | Formula | Tb |  |  |  |  |  | normal | PubChem |
| P487 | Unicode character | 鋱 |  |  |  |  |  | normal | https://www.cns11643.gov.tw/wordView.jsp?ID=152883 |
| P1108 | Electronegativity | 1.2 |  | 1.2 |  |  |  | normal |  |
| P361 | Part of | lanthanide | Q19569 |  |  |  |  | normal |  |
| P361 | Part of | period 6 | Q239813 |  |  |  |  | normal |  |
| P10685 | Ionic radius | 0.92 ångström |  | 0.92 | ångström |  |  | normal |  |
| P10685 | Ionic radius | 1.04 ångström |  | 1.04 | ångström |  |  | normal |  |
| P10685 | Ionic radius | 0.76 ångström |  | 0.76 | ångström |  |  | normal |  |
| P10685 | Ionic radius | 0.88 ångström |  | 0.88 | ångström |  |  | normal |  |
| P186 | Made from material | bastnäsite mineral group | Q3777619 |  |  |  |  | normal |  |
| P186 | Made from material | monazite mineral group | Q3777755 |  |  |  |  | normal |  |
| P186 | Made from material | xenotime mineral group | Q3777882 |  |  |  |  | normal |  |
| P186 | Made from material | euxenite mineral group | Q18016084 |  |  |  |  | normal |  |
| P690 | Space group | space group P6₃/mmc | Q15041650 |  |  |  |  | normal |  |
| P556 | Crystal system | hexagonal crystal system | Q663314 |  |  |  |  | normal |  |
| P2054 | Density | 8,067.24 kg/m³ |  | 8067.24 | kg/m³ |  |  | normal |  |
| P5668 | Bulk modulus | 38.4B Pa |  | 38449000000 | Pa |  |  | normal |  |
| P5673 | Shear modulus | 23.9B Pa |  | 23903000000 | Pa |  |  | normal |  |
| P5593 | Poisson's ratio | 0.243 |  | 0.243 |  |  |  | normal |  |
| P2101 | Melting point | 1,624 K |  | 1624 | K |  |  | normal |  |
| P2102 | Boiling point | 3,396 K |  | 3396 | K |  |  | normal |  |
| P2068 | Thermal conductivity | 11 watt per metre kelvin |  | 11 | watt per metre kelvin |  |  | normal |  |
| P2055 | Electrical conductivity | 870,000 siemens per metre |  | 870000 | siemens per metre |  |  | normal |  |
| P2075 | Speed of sound | 2,620 m/s |  | 2620 | m/s |  |  | normal |  |
| P279 | Subclass of | lanthanide | Q19569 |  |  |  |  | normal |  |
| P279 | Subclass of | f-block | Q214680 |  |  |  |  | normal |  |
| P589 | Point group | dihexagonal-dipyramidal | Q13362368 |  |  |  |  | normal |  |
| P1552 | Has characteristic | paramagnetism | Q188479 |  |  |  |  | normal |  |
| P2260 | Ionization energy | 5.8638 eV |  | 5.8638 | eV |  |  | normal | https://physics.nist.gov/asd |
| P8000 | Electron configuration | [Xe] 6s² 4f⁹ |  |  |  |  |  | normal | https://physics.nist.gov/asd |
| P898 | IPA transcription | ˈtɜːrbiəm |  |  |  |  |  | normal |  |
| P1121 | Oxidation state | 3 |  | 3 |  |  |  | preferred |  |
| P1121 | Oxidation state | 0 |  | 0 |  |  |  | normal |  |
| P1121 | Oxidation state | 1 |  | 1 |  |  |  | normal |  |
| P1121 | Oxidation state | 2 |  | 2 |  |  |  | normal |  |
| P1121 | Oxidation state | 4 |  | 4 |  |  |  | normal |  |
| P14936 | Atomic radius | 175 picometre |  | 175 | picometre |  |  | normal |  |
| P14937 | Covalent radius | 194 picometre |  | 194 | picometre |  |  | normal |  |
| P12451 | Arabic Ontology lexical concept ID | 151078543 |  |  |  |  |  | normal | https://ontology.birzeit.edu/lexicalconcept/151078543 |
| P7033 | Australian Educational Vocabulary ID | scot/3583 |  |  |  |  |  | normal | https://vocabulary.curriculum.edu.au/scot/3583.html |
| P2581 | BabelNet ID | 00006896n |  |  |  |  |  | normal | https://babelnet.org/synset?id=bn%00006896n&lang=EN |
| P8072 | CAB ID | 258536 |  |  |  |  |  | normal | https://www.cabi.org/cabithesaurus/mtwdk.exe?k=default&l=60&w=258536&s=5&t=2 |
| P231 | CAS Registry Number | 7440-27-9 |  |  |  |  |  | normal | https://commonchemistry.cas.org/detail?cas_rn=7440-27-9 |
| P683 | ChEBI ID | 33376 |  |  |  |  |  | normal | https://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI:33376 |
| P661 | ChemSpider ID | 22397 |  |  |  |  |  | normal | https://www.chemspider.com/Chemical-Structure.22397.html |
| P9824 | COD ID | 9010992 |  |  |  |  |  | normal | https://www.crystallography.net/cod/9010992.html |
| P8494 | DSSTOX compound identifier | DTXCID6047656 |  |  |  |  |  | normal | https://comptox.epa.gov/dashboard/DTXCID6047656 |
| P3117 | DSSTox substance ID | DTXSID3064691 |  |  |  |  |  | normal | https://comptox.epa.gov/dashboard/chemical/details/DTXSID3064691 |
| P232 | EC number | 231-137-6 |  |  |  |  |  | normal | https://www.echa.europa.eu/information-on-chemicals/ec-inventory/-/dislist/details/231-137-6 |
| P2566 | ECHA Substance Infocard ID | 100.028.306 |  |  |  |  |  | normal | https://www.echa.europa.eu/substance-information/-/substanceinfo/100.028.306 |
| P4746 | Elhuyar ZTH ID | 031085 |  |  |  |  |  | normal | https://zthiztegia.elhuyar.eus/kontzeptua/031085 |
| P1417 | Encyclopædia Britannica Online ID | science/terbium |  |  |  |  |  | normal | https://www.britannica.com/science/terbium |
| P3219 | Encyclopædia Universalis ID | terbium |  |  |  |  |  | normal | https://www.universalis.fr/encyclopedie/terbium/ |
| P9545 | Encyclopedia of China (Second Edition) ID | 233604 |  |  |  |  |  | normal | https://h.bkzx.cn/item/233604 |
| P14541 | Encyclopedia of China (Third Edition) ID (2026) | 2pAmIO |  |  |  |  |  | normal | https://www.zgbk.com/ecph/words?SiteID=1&ID=2pAmIO |
| P10565 | Encyclopedia of China (Third Edition) old ID (2021) | 486142 |  |  |  |  |  | normal | https://web.archive.org/web/0/https://www.zgbk.com/ecph/words?SiteID=1&ID=486142 |
| P646 | Freebase ID | /m/025sk71 |  |  |  |  |  | normal | https://www.google.com/search?kgmid=/m/025sk71 |
| P1578 | Gmelin number | 16311 |  |  |  |  |  | normal |  |
| P227 | GND ID | 4184744-1 |  |  |  |  |  | normal | https://d-nb.info/gnd/4184744-1 |
| P12385 | Gran Enciclopèdia Catalana ID | terbi |  |  |  |  |  | normal | https://www.enciclopedia.cat/gran-enciclopedia-catalana/terbi |
| P1296 | Gran Enciclopèdia Catalana ID (former scheme) | 0145694 |  |  |  |  |  | normal | https://www.enciclopedia.cat/ec-gec-0145694.xml |
| P4342 | Great Norwegian Encyclopedia ID | terbium |  |  |  |  |  | normal | https://wikidata-externalid-url.toolforge.org/?p=4342&url_prefix=https://snl.no/&id=terbium |
| P11514 | Great Russian Encyclopedia portal ID | terbii-e5caf8 |  |  |  |  |  | normal | https://bigenc.ru/c/terbii-e5caf8 |
| P7982 | Hrvatska enciklopedija ID | terbij |  |  |  |  |  | normal | https://www.enciklopedija.hr/clanak/terbij |
| P2057 | Human Metabolome Database ID | HMDB0303932 |  |  |  |  |  | normal | https://www.hmdb.ca/metabolites/HMDB0303932 |
| P234 | InChI | InChI=1S/Tb |  |  |  |  |  | normal | https://chemapps.stolaf.edu/jmol/jmol.php?&model=InChI%3D1S/Tb |
| P235 | InChIKey | GZCRRIHWUXGPOV-UHFFFAOYSA-N |  |  |  |  |  | normal | https://www.ncbi.nlm.nih.gov/sites/entrez?cmd=search&db=pccompound&term=%22GZCRRIHWUXGPOV-UHFFFAOYSA-N%22%5BInChIKey%5D |
| P5063 | Interlingual Index ID | i114014 |  |  |  |  |  | normal | https://globalwordnet.github.io/cili/i114014 |
| P8189 | J9U entity ID | 987007529656805171 |  |  |  |  |  | normal | https://www.nli.org.il/en/authorities/987007529656805171 |
| P3827 | JSTOR topic ID (archived) | terbium |  |  |  |  |  | normal | https://web.archive.org/web/*/https://www.jstor.org/topic/terbium |
| P8408 | KBpedia ID | Terbium |  |  |  |  |  | normal | https://kbpedia.org/knowledge-graph/reference-concept/?uri=Terbium |
| P8313 | Lex ID | terbium |  |  |  |  |  | normal | https://wikidata-externalid-url.toolforge.org/?p=8313&url_prefix=https://lex.dk/&id=terbium |
| P244 | Library of Congress Authorities ID | sh85133986 |  |  |  |  |  | normal | https://id.loc.gov/authorities/sh85133986 |
| P486 | MeSH descriptor ID | D013725 |  |  |  |  |  | normal | https://meshb.nlm.nih.gov/record/ui?ui=D013725 |
| P672 | MeSH tree code | D01.268.558.362.968 |  |  |  |  |  | normal | https://id.nlm.nih.gov/mesh/D01.268.558.362.968 |
| P6366 | Microsoft Academic ID (discontinued) | 549856995 |  |  |  |  |  | normal | https://web.archive.org/web/https://academic.microsoft.com/v2/detail/549856995 |
| P2004 | NALT ID | 60930 |  |  |  |  |  | normal | https://lod.nal.usda.gov/nalt/60930 |
| P8885 | Namuwiki ID | 터븀 |  |  |  |  |  | normal | https://namu.wiki/w/%ED%84%B0%EB%B8%80 |
| P1368 | National Library of Latvia ID | 000339107 |  |  |  |  |  | normal | https://kopkatalogs.lv/F/?func=direct&local_base=lnc10&doc_number=000339107 |
| P3222 | NE.se ID | terbium |  |  |  |  |  | normal | https://www.ne.se/uppslagsverk/encyklopedi/lång/terbium |
| P1245 | OmegaWiki Defined Meaning | 364226 |  |  |  |  |  | normal | http://www.omegawiki.org/DefinedMeaning:(364226) |
| P10283 | OpenAlex ID | C549856995 |  |  |  |  |  | normal | https://openalex.org/C549856995 |
| P662 | PubChem CID | 23958 |  |  |  |  |  | normal | https://pubchem.ncbi.nlm.nih.gov/compound/23958 |
| P5076 | Römpp online ID | RD-20-00690 |  |  |  |  |  | normal | https://roempp.thieme.de/lexicon/RD-20-00690 |
| P3345 | RxNorm CUI | 1367186 |  |  |  |  |  | normal | https://mor.nlm.nih.gov/RxNav/search?searchBy=RXCUI&searchTerm=1367186 |
| P10376 | ScienceDirect topic ID | chemical-engineering/terbium |  |  |  |  |  | normal | https://www.sciencedirect.com/topics/chemical-engineering/terbium |
| P2877 | SureChEMBL ID | 19728 |  |  |  |  |  | normal | https://www.surechembl.org/chemical/19728 |
| P3365 | Treccani ID | terbio |  |  |  |  |  | normal | https://www.treccani.it/enciclopedia/terbio |
| P2892 | UMLS CUI | C0039541 |  |  |  |  |  | normal | https://evsexplore.semantics.cancer.gov/evsexplore/concept/ncim/C0039541 |
| P11089 | UniChem compound ID | 1103585 |  |  |  |  |  | normal | https://www.ebi.ac.uk/unichem/compoundsources?type=uci&compound=1103585 |
| P652 | UNII | 06SSF7P179 |  |  |  |  |  | normal | https://gsrs.ncats.nih.gov/ginas/app/beta/substances/06SSF7P179 |
| P11095 | USGS Thesaurus ID | 1590 |  |  |  |  |  | normal | https://apps.usgs.gov/thesaurus/term-simple.php?thcode=2&code=1590 |
| P12800 | Vikidia article ID | fr:Terbium |  |  |  |  |  | normal | https://central.vikidia.org/wiki/fr%3ATerbium |
| P12086 | WikiKids ID | Terbium |  |  |  |  |  | normal | https://wikikids.nl/Terbium |
| P8814 | WordNet 3.1 Synset ID | 14681745-n |  |  |  |  |  | normal | https://en-word.net/view/synset/14681745-n |
| P13591 | Yale LUX ID | concept/74afa93b-a8e0-434a-bff4-8d6dc9769c55 |  |  |  |  |  | normal | https://lux.collections.yale.edu/view/concept/74afa93b-a8e0-434a-bff4-8d6dc9769c55 |

Source: https://aidb.si/e/terbium-Q1838 — Wikidata (CC0) via AIDb