atomic number 81 English

Meaning atomic number 81 meaning

What does atomic number 81 mean?

atomic number 81

— noun (= thallium) 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

Examples atomic number 81 examples

How do I use atomic number 81 in a sentence?

Simple sentences

The atomic number for iron is 26.

Movie subtitles

Or an atomic number. Something from a periodic table.