|
|
|
|
|
|
|
|
|
|
|
|
![](../graphic/tlpt.jpg) |
|
|
|
|
|
![](../graphic/tln.gif) |
|
|
Discovered : by W. Crookes in 1861
Isolated in London, UK
Origin : The name is derived from the Greek thallos, meaning green shoot.
Description :
A soft, grey metal, rather like lead but it tarnishes easily. It was once used in rat poisons and hair removers but it is now banned.
Image :
Green shoots and reflective glass. |
|
|
|
|
|
![](../graphic/tl.gif) |
|
|
|
![](../graphic/data_sel.gif) |
|
|
|
|
|
|
![](../graphic/otable_site.jpg) |
|
|
|
|
|
|
|
|
![](../graphic/fla_html_but.gif) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
![](../graphic/blugobut.jpg) |
|
|
|
|
![](../graphic/homeve.gif) |
|
|