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roentgenium

/rɛntˈɡɛni.əm/

翻译: 一种放射性超铀元素,是人工合成的化学元素,符号为Rg,原子序数为111。

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noun

/rɛntˈɡɛni.əm/C2formalscientific
  • zh一种放射性超铀元素,是人工合成的化学元素,符号为Rg,原子序数为111。

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

不可数

  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.

    zh化学元素

    • 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.
词形
  • roentgeniums plural form
  • roentgeniums' possessive plural form
  • roentgenium's possessive singular form