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تالیم

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

EntityQ932· pop 142· linked from 911 articles

تالیم

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Also known as Tl, element 81, 81Tl

عنصر شیمیایی با عدد اتمی ۸۱ و نماد شیمیایی TI

OverviewAI-generated

Thallium is a chemical element with the symbol Tl and atomic number 81. Its standard atomic weight is 204.38. The element has an electronegativity of 1.62 and an ionic radius of 1.70. It was discovered in 1861.

The substance is represented by the canonical SMILES string [Tl] and the Unicode character 鉈. Its chemical formula is Tl. In chemical databases, it is identified by the InChIKey BKVIYDNLLOSFOA-UHFFFAOYSA-N and has a topological polar surface area of 0. It has zero hydrogen bond donors and acceptors, with a molecular charge of 0.

Thallium appears in the Commons category "Thallium" and has a dedicated gallery. It is referenced by 911 other encyclopedia articles. Medical literature includes 13,883 records associated with the term thallium.

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
Tl
Molecular weight
204.383 g/mol
IUPAC name
thallium
SMILES
[Tl]
InChIKey
BKVIYDNLLOSFOA-UHFFFAOYSA-N
Polar surface area
0 Ų
H-bond donors
0
H-bond acceptors
0
Formal charge
0

via PubChem

Research

13,883 papers

via PubMed

Wikidata facts

Part of
group 13
Named after
thallus
Mass
204.38
Image
Thallium pieces in ampoule.jpg
Show 17 more facts
element symbol
Tl
Commons category
Thallium
atomic number
81
topic's main category
Category:Thallium
discoverer or inventor
William Crookes
Commons gallery
Thallium
time of discovery or invention
1861-00-00
Unicode character
canonical SMILES
[Tl]
electronegativity
1.62
chemical formula
Tl
ionic radius
0.98
on focus list of Wikimedia project
Wikipedia:Vital articles/Level/4
different from
Tal
associated hazard
thallium poisoning
maintained by WikiProject
WikiProject Elements
Sources (5)

via Wikidata · CC0

Gallery (13)