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
French language
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atomic number 81::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | thallium, tl |
| Type of | metal, metallic element |
