• A radioactive transuranic element in the actinide series, artificially produced in trace amounts. Its longest-lived isotope is No255 with a half-life of3 minutes. Atomic number102.

    锕类元素中的一种放射性元素人工微量制造,最长寿命的同位素锘255,其。

    youdao

  • A radioactive transuranic element in the actinide series, artificially produced in trace amounts. Its longest-lived isotope is No255 with a half-life of3 minutes. Atomic number102.

    锕类元素中的一种放射性元素人工微量制造,最长寿命的同位素锘255,其。

    youdao

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