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Prometyum
Sign in to saveAlso known as Pm, element 61, ₆₁Pm
atom numarası 61, atom ağırlığı 145 olan, nadir topraklar grubundan ve yapay bir elementtir
OverviewAI-generated
Promethium is a chemical element with the symbol Pm and atomic number 61. It has an oxidation state of 3 and an electronegativity of 1.13. The element was discovered in 1945. Its canonical SMILES representation is [Pm], and its chemical formula is Pm. The Unicode character for promethium is 鉕.
The substance has a molecular weight of 144.91276 and a charge of 0. It possesses an ionic radius of 1.09. According to PubChem data, promethium has zero hydrogen bond donors and acceptors, and a topological polar surface area of 0. Its InChIKey is VQMWBBYLQSCNPO-UHFFFAOYSA-N.
In academic literature, there are 186 PubMed entries associated with the query "promethium". The subject is referenced by 746 other encyclopedia articles. A Commons category and gallery for the element are also available.
Synthesized by Vinony from 23 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
- Pm
- Molecular weight
- 144.91276 g/mol
- IUPAC name
- promethium
- SMILES
- [Pm]
- InChIKey
- VQMWBBYLQSCNPO-UHFFFAOYSA-N
- Polar surface area
- 0 Ų
- H-bond donors
- 0
- H-bond acceptors
- 0
- Formal charge
- 0
via PubChem
Research
186 papers- Promethium: To Strive, to Seek, to Find and Not to Yield.ReviewFrontiers in chemistry · 2020Elkina V, Kurushkin MDOI: 10.3389/fchem.2020.00588
- Observation of a promethium complex in solution.Nature · 2024Driscoll DM, White FD, Pramanik S et al.DOI: 10.1038/s41586-024-07267-6
- Reactor production of promethium-147.Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine · 2019Broderick K, Lusk R, Hinderer J et al.DOI: 10.1016/j.apradiso.2018.10.025
- Promethium bound: fundamental chemistry of an elusive element finally observed.Nature · 2024Kvashnina KODOI: 10.1038/d41586-024-01193-3
- Promethium puzzles.Nature chemistry · 2018Cantrill SDOI: 10.1038/s41557-018-0179-4
- Promethium-147 capacitor.Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine · 2009Kavetskiy A, Yakubova G, Lin Q et al.DOI: 10.1016/j.apradiso.2009.02.084
- Probing the subtle differences between promethium and curium.Nature communications · 2025Vogt TB, Simms ME, Parker CJ et al.DOI: 10.1038/s41467-025-58209-3
- How AI could improve robotics, the cockroach's origins, and promethium spills its secrets.Nature · 2024Thompson B, Gibney E, Graham FDOI: 10.1038/d41586-024-01610-7
via PubMed
Wikidata facts
- Instance of
- synthetic element
- Part of
- period 6
- Named after
- Prometheus
- Follows
- neodymium
- Image
- Promethium-147 solution.jpg
Show 18 more facts
- element symbol
- Pm
- Commons category
- Promethium
- topic's main category
- Category:Promethium
- atomic number
- 61
- oxidation state
- 3
- discoverer or inventor
- Charles D. Coryell
- location of discovery
- Oak Ridge National Laboratory
- time of discovery or invention
- 1945-01-01
- Commons gallery
- Promethium
- described by source
- Armenian Soviet Encyclopedia
- canonical SMILES
- [Pm]
- has characteristic
- radioactivity
- chemical formula
- Pm
- on focus list of Wikimedia project
- Wikipedia:Vital articles/Level/4
- Unicode character
- 鉕
- electronegativity
- 1.13
- ionic radius
- 1.09
- maintained by WikiProject
- WikiProject Elements
via Wikidata · CC0
Gallery (17)
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