Definitions for curium
ˈkyʊər i əmcuri·um

Princeton's WordNetRate this definition:0.0 / 0 votes

1. curium, Cm, atomic number 96noun

   a radioactive transuranic metallic element; produced by bombarding plutonium with helium nuclei

WiktionaryRate this definition:0.0 / 0 votes

1. curiumnoun

   a transuranic chemical element (symbol Cm) with an atomic number of 96.

2. Etymology: Named after Pierre Curie and Marie Curie

WikipediaRate this definition:0.0 / 0 votes

1. Curium

   Curium is a transuranic, radioactive chemical element with the symbol Cm and atomic number 96. This actinide element was named after eminent scientists Marie and Pierre Curie, both known for their research on radioactivity. Curium was first intentionally made by the team of Glenn T. Seaborg, Ralph A. James, and Albert Ghiorso in 1944, using the cyclotron at Berkeley. They bombarded the newly discovered element plutonium (the isotope 239Pu) with alpha particles. This was then sent to the Metallurgical Laboratory at University of Chicago where a tiny sample of curium was eventually separated and identified. The discovery was kept secret until after the end of World War II. The news was released to the public in November 1947. Most curium is produced by bombarding uranium or plutonium with neutrons in nuclear reactors – one tonne of spent nuclear fuel contains ~20 grams of curium. Curium is a hard, dense, silvery metal with a high melting and boiling point for an actinide. It is paramagnetic at ambient conditions, but becomes antiferromagnetic upon cooling, and other magnetic transitions are also seen in many curium compounds. In compounds, curium usually has valence +3 and sometimes +4; the +3 valence is predominant in solutions. Curium readily oxidizes, and its oxides are a dominant form of this element. It forms strongly fluorescent complexes with various organic compounds, but there is no evidence of its incorporation into bacteria and archaea. If it gets into the human body, curium accumulates in bones, lungs, and liver, where it promotes cancer. All known isotopes of curium are radioactive and have small critical mass for a nuclear chain reaction. They mostly emit α-particles; radioisotope thermoelectric generators can use the heat from this process, but this is hindered by the rarity and high cost of curium. Curium is used in making heavier actinides and the 238Pu radionuclide for power sources in artificial cardiac pacemakers and RTGs for spacecraft. It served as the α-source in the alpha particle X-ray spectrometers of several space probes, including the Sojourner, Spirit, Opportunity, and Curiosity Mars rovers and the Philae lander on comet 67P/Churyumov–Gerasimenko, to analyze the composition and structure of the surface.

ChatGPTRate this definition:0.0 / 0 votes

1. curium

   Curium is a synthetic radioactive chemical element with the symbol Cm and atomic number 96 in the periodic table. It was named after Marie Curie and Pierre Curie, famous for their work in radioactivity. Curium does not occur naturally, it is usually produced in very small amounts for research purposes by bombarding plutonium with alpha particles. The element is extremely radioactive and has several isotopes, with curium-242 and curium-244 being the most stable. It is mostly used in research and has few practical applications.

WikidataRate this definition:0.0 / 0 votes

1. Curium

   Curium is a transuranic radioactive chemical element with the symbol Cm and atomic number 96. This element of the actinide series was named after Marie Skłodowska-Curie and Pierre Curie – both were known for their research on radioactivity. Curium was first intentionally produced and identified in July 1944 by the group of Glenn T. Seaborg at the University of California, Berkeley. The discovery was kept secret and only released to the public in November 1945. Most curium is produced by bombarding uranium or plutonium with neutrons in nuclear reactors – one tonne of spent nuclear fuel contains about 20 grams of curium. Curium is a hard, dense, silvery metal with a relatively high melting point and boiling point for an actinide. Whereas it is paramagnetic at ambient conditions, it becomes antiferromagnetic upon cooling, and other magnetic transitions are also observed for many curium compounds. In compounds, curium usually exhibits valence +3 and sometimes +4, and the +3 valence is predominant in solutions. Curium readily oxidizes, and its oxides are a dominant form of this element. It forms strongly fluorescent complexes with various organic compounds, but there is no evidence of its incorporation into bacteria and archaea. When introduced into the human body, curium accumulates in the bones, lungs and liver, where it promotes cancer.238

U.S. National Library of MedicineRate this definition:0.0 / 0 votes

1. Curium

   A radioactive actinide with atomic symbol Cm, atomic number 96, and atomic weight 247. Thirteen curium isotopes have been produced with mass numbers ranging from 238-250. Its valence can be +3 or +4. It is intensely radioactive and decays by alpha-emission.

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1. • Metallic Element

How to pronounce curium?

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Numerology

1. Chaldean Numerology

   The numerical value of curium in Chaldean Numerology is: 4

2. Pythagorean Numerology

   The numerical value of curium in Pythagorean Numerology is: 4

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References

1. ^ Princeton's WordNet
   http://wordnetweb.princeton.edu/perl/webwn?s=curium
2. ^ Wiktionary
   https://en.wiktionary.org/wiki/Curium
3. ^ Wikipedia
   https://en.wikipedia.org/wiki/Curium
4. ^ ChatGPT
   https://chat.openai.com
5. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=curium