tag:blogger.com,1999:blog-8711528682689837499.post5743028692611160698..comments2011-05-21T13:15:53.043-07:00Comments on elementos radiactivos: ELEMENTOS RADIACTIVOSjhonny valerahttp://www.blogger.com/profile/11118406718229355388noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-8711528682689837499.post-46018407879304869472011-05-21T13:15:53.043-07:002011-05-21T13:15:53.043-07:00profesora q le parecio(comente xfa)profesora q le parecio(comente xfa)jhonny valerahttps://www.blogger.com/profile/11118406718229355388noreply@blogger.com