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チタン

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Also known as element 22, 22Ti

原子番号22の元素

OverviewAI-generated

Titanium is a chemical element with the symbol Ti and atomic number 22. Its standard atomic weight is 47.867. The element exhibits oxidation states of -1, 1, 2, and 4. It has an electronegativity of 1.54 and an ionic radius of 0.86. The Unicode character for titanium is "鈦".

Titanium was discovered in 1791. It has a melting point of 1941 and a boiling point of 3286.85. The speed of sound in the material is 5090. Its thermal conductivity is 21.9, and its specific heat capacity is 520. The tensile modulus of elasticity is 116, with a shear modulus of 41.4 and a Poisson's ratio of 0.32.

The Mohs' hardness is 6, and the hardness value is 2125. The chemical formula is Ti. In chemical databases, it is identified by CID 23963 and IUPAC name titanium. It has zero hydrogen bond donors and acceptors, with a topological polar surface area of 0. The element is referenced by 2,716 other encyclopedia articles.

Synthesized by Vinony from 34 facts across 4 sources: Wikidata, PubChem, PubMed, Vinony graph. Generated from structured data (not the Wikipedia text) and checked against those facts — may still contain errors.

Chemical data

Formula: Ti
Molecular weight: 47.867 g/mol
IUPAC name: titanium
SMILES: [Ti]
InChIKey: RTAQQCXQSZGOHL-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Research

92,166 papers

Titanium mesh for bone augmentation in oral implantology: current application and progress.ReviewInternational journal of oral science · 2020Xie Y, Li S, Zhang T et al.DOI: 10.1038/s41368-020-00107-z
Titanium Dioxide: Structure, Impact, and Toxicity.ReviewInternational journal of environmental research and public health · 2022Racovita ADDOI: 10.3390/ijerph19095681
Type IV Titanium Hypersensitivity: Rare, or Rarely Detected?ReviewActa chirurgiae orthopaedicae et traumatologiae Cechoslovaca · 2023Voves J, Měrka O, Čabanová K et al.
Blood titanium level as a biomarker of orthopaedic implant wear.ReviewJournal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2019Swiatkowska I, Martin N, Hart AJDOI: 10.1016/j.jtemb.2019.02.013
Titanium corrosion products from dental implants and their effect on cells and cytokine release: A review.ReviewJournal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) · 2024Kandaswamy E, Harsha M, Joshi VMDOI: 10.1016/j.jtemb.2024.127464
Titanium dioxide.ReviewIARC monographs on the evaluation of carcinogenic risks to humans · 1989
[Progress in antibacterial coatings of titanium implants surfaces].ReviewSheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2024He X, Guo C, Liu X et al.DOI: 10.7507/1001-5515.202209051
Titanium--the material of choice?ReviewPeriodontology 2000 · 1998Steinemann SGDOI: 10.1111/j.1600-0757.1998.tb00119.x

Article · 日本語

チタン（独: Titan [tiˈtaːn]、英: titanium [taɪˈteɪniəm]、羅: titanium）は、原子番号22の元素。元素記号はTi。第4族元素、遷移元素のひとつ。

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