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Prometyum

File:Larry_E_Glendenin.jpg · Wikimedia Commons · See Wikimedia Commons

EntityQ1809· pop 135· linked from 746 articles

Also 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

via PubMed

Wikidata facts

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
Sources (5)

via Wikidata · CC0

Gallery (17)