Thallium is a chemical element with symbol Tl and atomic number 81. This soft
gray post-transition metal is not found free in nature. When isolated, it resembles
Get the facts about thallium poisoning side effects, health risks and toxicity testing
. Learn the metal's characteristic, uses and where it is naturally found.
Thallium is a heavy metal that was serendipitously discovered by Sir William
Crookes in 1861 while trying to extract selenium from the by-products of sulfuric ...
This WebElements periodic table page contains the essentials for the element
The Element Thallium - Basic Physical and Historical Information.
Nov 20, 2014 ... DESCRIPTION: Thallium was discovered by Sir William Crookes in 1861. It is a
soft, heavy, inelastic metal. Thallium is tasteless and odorless ...
Thallium is a heavy metal. It has an atomic number of 81, atomic weight of
204.3833, two stable isotopes 203 Tl and 205 Tl and a specific gravity of 11.9....
History. From Greek thallos, meanin a green shoot or twig. Thallium was
discovered spectroscopically in 1861 by Crookes. The element was named after
Apr 25, 2016 ... Thallium poisoning. Authoritative facts about the skin from DermNet New Zealand
Photographs and descriptions of many samples of the element Thallium in the