Thallium


 * Element Name:** Thallium


 * Element Symbol:** Ti


 * Atomic Mass:** 204 [[image:Erika_thallium.png width="216" height="288" align="right"]]


 * Atomic Number:** 81


 * Protons:** 81


 * Electrons:** 81


 * Discovery:** Sir Williams discovered it at 1861 in England.


 * How It Was Named:** It was named after the word "thallos" meaning a Greek word for green shot or twig.


 * State of Matter:** Solid


 * Melting Point:** 304°C


 * Boiling Point:** 1473°C


 * Characteristics:**
 * Extremely soft and can be cut with a knife at room temperature
 * When exposed to air it quickly tarnishes into a bluish-gray thing that resembles lead
 * Silvery,white substance


 * Uses:** 60-70% go in the electronics indrustry. The other go in glass making.


 * Interesting Facts:**
 * Thallium was once used for rat poison and ant killer but since 1972 it has been prohibited in the U.S.A due to safety concerns.
 * People used it for murder nicknaming it, "The Poisoners Poison"
 * According to E.P.A, man-made sources of thallium pollution include factories,coal burning,power plants,and also metal sewers.

media type="youtube" key="bK6nnyibhdk" height="390" width="640" align="center"