Treball De Fisica
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Presentació sobre el Silici feta per Katherine Peña de 3r A. Curs 2009-2010
![El potassi ,[object Object],[object Object]](https://image.slidesharecdn.com/treballdefisica-100126050424-phpapp01/85/Treball-De-Fisica-1-320.jpg)
![D'on surt el potassi? ,[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Treball De Fisica
- 5. Bibliografia 1.-http://es.wikipedia.org/wiki/Potasio#Abundancia_y_obtenci.C3.B3n 2.-http://www.liceodigital.com/quimica/m_alcali.htm 3.-http://mediateca.educa.madrid.org/imagen/ver.php?id_imagen=ji9f8sjr2kzew41p 4.-http://images.google.es/images?hl=es&rlz=1T4HPEA_esES306ES306&um=1&sa=1&q=silvina+mineral&aq=f&oq=&start=0 5.-http://enciclopedia.us.es/index.php/Potasio