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    atomic number 81

    atomic number 81 - 365bet中国官方网站 definition and meaning for word atomic number 81

    Definition
    (noun) a soft grey malleable metallic element that resembles tin but discolors on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores
    Synonyms : thallium , tl

  • Word used in video below:
    text: atomic element number 101 ends in iam
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