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Defenition of the word atomic number 81

    • Defenition of the word atomic number 81

      • a soft gray 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
      • 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 for the word atomic number 81

      • thallium
      • Tl

    Hypernyms for the word atomic number 81

      • metal
      • metallic element

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