Thallium

= = = Thallium =  **By: Kelly **  

**Atomic Number:** 81

**Protons:**  81

**Electrons:**  81

**Neutrons:**  123

**Average Atomic Mass:**  204.3833

**Isotopes:**  203 Tl and 205 Tl<span style="color: #000000; font-family: Verdana,Arial,Helvetica,sans-serif; font-size: 12px; line-height: 16px;"> <span style="color: #000000; font-family: Verdana,Geneva,sans-serif; font-size: 12px;">

<span style="color: #8200ff; font-family: Tahoma,Geneva,sans-serif;">**Discovery:** <span style="color: #09d5d7; font-family: Tahoma,Geneva,sans-serif;"> Was invented in 1814 by German physicist Joseph von Fraunhofer.

<span style="color: #8200ff; font-family: Tahoma,Geneva,sans-serif;">**Name:** <span style="color: #09d5d7; font-family: Tahoma,Geneva,sans-serif;"> Thallium comes from the Greek name //thallos//, meaning "a green shoot or twig". Because of its use for murder, thallium has gained the nicknames "The Poisoner's Poison" and "Inheritance Powder"

<span style="color: #8200ff; font-family: Tahoma,Geneva,sans-serif;">**Uses:** <span style="color: #09d5d7; font-family: Tahoma,Geneva,sans-serif;">Photocells, Rat poison, Ant killer, Thallium bromide-iodide crystals have been used as infrared optical materals, Gamma radiation detion equipment, Medical applications for the treatment of skin infections.

<span style="color: #8200ff; font-family: Tahoma,Geneva,sans-serif;">**Interesting Facts:** <span style="color: #09d5d7; font-family: Tahoma,Geneva,sans-serif;"> What are some interesting facts you found out about your element?

<span style="color: #8200ff; font-family: Tahoma,Geneva,sans-serif;">**Video:** <span style="color: #09d5d7; font-family: Tahoma,Geneva,sans-serif;"> media type="youtube" key="bK6nnyibhdk" height="344" width="425" <span style="color: #09d5d7; display: block; font-family: Tahoma,Geneva,sans-serif; text-align: left;"> <span style="color: #8200ff; font-family: Tahoma,Geneva,sans-serif;">**Sources** >
 * <span style="color: #09d5d7; display: block; font-family: Tahoma,Geneva,sans-serif; text-align: left;">Google Images
 * <span style="color: #09d5d7; display: block; font-family: Tahoma,Geneva,sans-serif; text-align: left;">http://www.youtube.com/watch?v=bK6nnyibhdk
 * <span style="color: #09d5d7; display: block; font-family: Tahoma,Geneva,sans-serif; text-align: left;">http://www.webelements.com/thallium/