Thallium


 * Element Name:** Thallium


 * Element Symbol:** Ti


 * Atomic Mass:** 48[[image:Thallium_Brittany.png width="216" height="288" align="right"]]


 * Atomic Number:** 81


 * Protons:** 81


 * Electrons:** 81


 * Discovery:** In 1861 by Sir William Crookes


 * How It Was Named:** After the Greek word for "green twig", thallos.


 * State of Matter:** Solid


 * Melting Point:** 304°C


 * Boling Point:** 1473°C


 * Characteristics:**
 * Silvery white
 * Metallic
 * Very soft; can be cut with a knife


 * Use of Element:** There are no uses for Thallium since it quickly combines with oxygen and water forming a black, powdery substance.

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 * Interesting Facts:**
 * A technician was poisoning his co-workers with thallium its the early 1900's.
 * Pure thallium costs $48 per 100 grams