Actinium

= Actinium = By: Sienna


 * Atomic Number:** 89

**Protons:** 89


 * Electrons:** 89


 * Neutrons:** 138


 * Average Atomic Mass:** 227.0 amu


 * Discovery:** How was the element discovered? Who discovered it? If you find a site saying "this element has been known since ancient times" that is okay to note for discovery.


 * Name:** How was the element named? Was it named after a person or place? Note any information you find about its atomic symbol and why that symbol was chosen.media type="youtube" key="0BlpjWBYW0k" height="360" width="640"


 * Uses:** How is your element used?


 * Interesting Facts**: What are some interesting facts you found out about your element?

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 * Sources**
 * http://periodictable.com/Samples/089.4/s9s.JPG
 * http://www.chemicalelements.com/elements/ac.html
 * Video: http://www.youtube.com/watch?v=0BlpjWBYW0k