Astatine

= Astatine = =By: Nikki =


 * Atomic Number : 85**


 * Protons : 85**


 * Electrons: 85**


 * Neutrons:** **210**


 * Average Atomic Mass:** **(210)**


 * Isotopes:** **20 isotopes. They are all radioactive.**


 * Discovery: Astatine was discovered in 1940 in California, by Dale Corson.**
 * Name:** **Astatine is a greek meaning unstable.** **Astatine is named after** **Astatos.**


 * Uses:** **The following uses for astatine are gathered from a number of sources as well as from anecdotal comments.**


 * Interesting Facts: A highly unstable radioactive element, the heaviest of the halogen series, that resembles iodine in solution. **

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 * Video:** media type="youtube" key="sSL7EwdlLlE" height="344" width="425"
 * Sources:**
 * Photo:

http://www.wikipedia.org/
http://www.facts-about.org.uk/science-element-astatine.htm**
 * http://www.youtube.com/watch?v=sSL7EwdlLlE