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rutherfordium

[ ruhth-er-fawr-dee-uhm, -fohr-, ruhth- ]

noun

, Chemistry, Physics.
  1. a superheavy, synthetic, radioactive element with a very short half-life. : Rf; : 104.


rutherfordium

/ ˌrʌðəˈfɔːdɪəm /

noun

  1. a transactinide element produced by bombarding californium-249 nuclei with carbon-12 nuclei. Symbol: Rf; atomic number.: 104; atomic wt: 261 Name in the former Soviet Unionkurchatovium
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


rutherfordium

/ rŭth′ər-fôrdē-əm /

  1. A synthetic, radioactive element that is produced by bombarding plutonium with carbon or neon ions. Its most stable isotope is Rf 261 with a half-life of 62 seconds. Atomic number 104.


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Word History and Origins

Origin of rutherfordium1

First recorded in 1965–70; officially assigned to element 104 in 1997; named after English physicist Ernest Rutherford; -ium ( def )
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Word History and Origins

Origin of rutherfordium1

C20: named after Ernest Rutherford

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Rutherford, ErnestRutherford scattering