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roentgenium

/rɛntˈɡɛni.əm/

1 entry

noun

/rɛntˈɡɛni.əm/C2formalscientific
  • ruРадиоактивный трансурановый элемент, синтетический химический элемент с символом Rg и атомным номером 111.

A radioactive transuranic element, a synthetic chemical element with the symbol Rg and atomic number 111.

uncountable

  1. C2formalscientific

    A synthetic, highly radioactive chemical element with the symbol Rg and atomic number 111. It is a transuranic element that does not occur naturally.

    ruХимический элемент

    • Roentgenium was first synthesized in 1994 by a team of German scientists.
    • The properties of roentgenium are similar to those of gold due to its position in the periodic table.
    • Only a few atoms of roentgenium have ever been produced in laboratory experiments.
Forms
  • roentgeniums plural form
  • roentgeniums' possessive plural form
  • roentgenium's possessive singular form