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Polonium: Our tile represents polonium (Po). The tile is inspired by the element's namesake, electrons per shell, and deadly radioactivity. The red and white color scheme comes from Poland's national colors, and the skull nucleus alludes to the death of Alexander Litvinenko by polonium poisoning.
Original artwork completed by Sherrie Wang. Teacher: Shawn Kenner, Sharon High School, Sharon, Massachusetts, U.S.A.
Number of isotopes:
* Haynes, W. M. (2011). CRC Handbook of Chemistry and Physics, 91st edition: http://www.hbcpnetbase.com/ Retrieved April 7, 2011
** Winter, M. (2010). Home of the Periodic Table. Retrieved April 8, 2011, from Web Elements: http://www.webelements.com/