Hellow guys, Welcome to my website, and you are watching Semiconductores 01, Estructura Atomica, Intrínseco, Extrínseco, Impurezas pentavalentes, trivalentes. and this vIdeo is uploaded by Pregúntale al Inge at 2013-08-17T20:00:07-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.