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Also known as element 94, 94Pu

Plutonium is a chemical element; it has symbol Pu and atomic number 94. It is a silvery-gray actinide metal that tarnishes when exposed to air, and forms a dull coating when oxidized. The element normally exhibits six allotropes and four oxidation states. It reacts with carbon, halogens, nitrogen, silicon and hydrogen. When exposed to moist air, it forms oxides and hydrides that can expand the sample up to 70% in volume, which in turn flake off as a powder that is pyrophoric. It is radioactive and can accumulate in bones, which makes the handling of plutonium dangerous.

OverviewAI-generated

Plutonium is a chemical element with the symbol Pu and atomic number 94. Its IUPAC name is plutonium, and it is represented by the chemical formula Pu. The element has an electronegativity of 1.28 and an ionic radius of 1. Its canonical SMILES notation is [Pu], and it is associated with the Unicode character 鈽.

The atomic weight of plutonium is 244.06420. It has a charge of 0, with 0 hydrogen bond donors and 0 hydrogen bond acceptors. The topological polar surface area (TPSA) is 0. The PubChem Compound ID (CID) for plutonium is 23940, and its InChIKey is OYEHPCDNVJXUIW-UHFFFAOYSA-N.

Plutonium was discovered on January 1, 1941. It is referenced by 2,131 other encyclopedia articles. There are 5,141 PubMed records associated with the query for plutonium.

Synthesized by Vinony from 22 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: Pu
Molecular weight: 244.0642 g/mol
IUPAC name: plutonium
SMILES: [Pu]
InChIKey: OYEHPCDNVJXUIW-UHFFFAOYSA-N
Polar surface area: 0 Å²
H-bond donors: 0
H-bond acceptors: 0
Formal charge: 0

via PubChem

Research

5,141 papers

Plutonium production and particles incorporation into the human body.ReviewJournal of environmental radioactivity · 2020Romanov SA, Efimov АV, Aladova ЕЕ et al.DOI: 10.1016/j.jenvrad.2019.106073
Plutonium: biomedical research.ReviewScience (New York, N.Y.) · 1974Bair WJ, Thompson RCDOI: 10.1126/science.183.4126.715
Plutonium in the atmosphere: A global perspective.ReviewJournal of environmental radioactivity · 2017Thakur P, Khaing H, Salminen-Paatero SDOI: 10.1016/j.jenvrad.2017.04.008
Improved Modeling of Plutonium-DTPA Decorporation.Radiation research · 2019Dumit S, Avtandilashvili M, Strom DJ et al.DOI: 10.1667/RR15188.1
Review of the sources and behaviors of plutonium isotopes in the atmosphere and ocean.ReviewJournal of environmental radioactivity · 2024Hirose KDOI: 10.1016/j.jenvrad.2024.107466
Plutonium Systemic Biokinetic Model for Rats.Radiation research · 2022Klumpp JA, Poudel D, Dumit S et al.DOI: 10.1667/RADE-22-00102.1
Plutonium in the arctic marine environment--a short review.ReviewTheScientificWorldJournal · 2004Skipperud LDOI: 10.1100/tsw.2004.100
Precise determination of plutonium in nuclear fuel process samples.Analytical sciences : the international journal of the Japan Society for Analytical Chemistry · 2022Dhamodharan K, Das SN, Sivakumar D et al.DOI: 10.2116/analsci.21P281

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