Atomic Number 81 — synonyms, definition

1. atomic number 81 (Noun)

2 synonyms
Tl thallium
1 definition

atomic number 81 (Noun) — A soft grey malleable metallic element that resembles tin but discolours on exposure to air; it is highly toxic and is used in rodent and insect poisons; occurs in zinc blende and some iron ores.

2 types of
metal metallic element
3 parts of
Blende sphalerite zinc blende
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