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.
chemical properties, health and environmental effects of thallium.
Element Thallium (Tl), Group 13, Atomic Number 81, p-block, Mass 204.38.
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The Element Thallium - Basic Physical and Historical Information.
This WebElements periodic table page contains the essentials for the element
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
Name: Thallium Symbol: Tl Atomic Number: 81. Atomic Mass: 204.3833 amu.
Melting Point: 303.5 °C (576.65 K, 578.3 °F) Boiling Point: 1457.0 °C (1730.15 K,