THALLIUM
\θˈali͡əm], \θˈaliəm], \θ_ˈa_l_iə_m]\
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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
By Princeton University
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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
By DataStellar Co., Ltd
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A heavy, soft, bluish white metal, atomic number 81, atomic weight 204.37, symbol Tl. (From Dorland, 28th ed)
By DataStellar Co., Ltd
By Willam Alexander Newman Dorland
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