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امریسیم

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Also known as Am, element 95

Americium is a synthetic chemical element; it has symbol Am and atomic number 95. It is radioactive and a transuranic member of the actinide series in the periodic table, located under the lanthanide element europium and was thus named after the Americas by analogy.

OverviewAI-generated

Americium is a chemical element with the symbol Am and atomic number 95. Its standard chemical formula is Am. The element has an electronegativity of 1.13 and an ionic radius of 1.09. It was discovered in 1944.

The atomic mass of americium is 243, while its molecular weight is recorded as 243.061380. The substance has a topological polar surface area of 0 and contains zero hydrogen bond donors and acceptors. It carries a charge of 0. The IUPAC name for the element is americium.

In digital formats, americium is represented by the canonical SMILES string "[Am]" and the Unicode character "鋂". It appears in the Commons category and gallery under the name "Americium". The PubChem identifier for the substance is 23966.

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: Am
Molecular weight: 243.06138 g/mol
IUPAC name: americium
SMILES: [Am]
InChIKey: LXQXZNRPTYVCNG-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Research

1,776 papers

Americium Inhalational Exposure with Successful Chelation Therapy.Disaster medicine and public health preparedness · 2022Keenan M, Behrens T, Bravenec S et al.DOI: 10.1017/dmp.2021.211
Americium Systemic Biokinetic Model for Rats.Radiation research · 2019Miller G, Klumpp JA, Poudel D et al.DOI: 10.1667/RR15256.1
Americium contamination incident.New York state journal of medicine · 1972Whalen RP, Davies S
The biokinetics and radiotoxicology of curium: a comparison with americium.ReviewApplied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine · 2008Ménétrier F, Taylor DM, Comte ADOI: 10.1016/j.apradiso.2007.12.002
Calcium and zinc DTPA administration for internal contamination with plutonium-238 and americium-241.ReviewCurrent pharmaceutical biotechnology · 2012Kazzi ZN, Heyl A, Ruprecht JDOI: 10.2174/138920112802273308
Preferential decorporation of americium by pulmonary administration of DTPA dry powder after inhalation of aged PuO(2) containing americium in rats.Radiation research · 2010Grémy O, Tsapis N, Chau Q et al.DOI: 10.1667/RR2203.1
Americium-241 studies in beagles.Health physics · 1970Lloyd RD, Mays CW, Taylor GN et al.DOI: 10.1097/00004032-197002000-00007
Plutonium Systemic Biokinetic Model for Rats.Radiation research · 2022Klumpp JA, Poudel D, Dumit S et al.DOI: 10.1667/RADE-22-00102.1

Wikidata facts

Instance of: chemical element
Part of: actinide
Named after: Americas
Mass: 243
Image: Americium microscope.jpg

Show 14 more facts

atomic number: 95
element symbol: Am
Commons category: Americium
topic's main category: Category:Americium
Commons gallery: Americium
canonical SMILES: [Am]
chemical formula: Am
time of discovery or invention: 1944-00-00
discoverer or inventor: Glenn T. Seaborg
Unicode character: 鋂
electronegativity: 1.13
ionic radius: 0.95
on focus list of Wikimedia project: Wikipedia:Vital articles/Level/4
topic has template: Template:Infobox americium

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