TOTO,
we're not in Kansas anymore...

A server error occured and unexplained things are happening around us.

Melissa Juárez

grupo 14 grupo del carbono o de los carbonoideosiv a11 características generales de los elementosdel grupo 4a (brown, 2004, pagina 906)22 silicio33 i

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Elementos del grupo 14 | Presentation by Melissa Juárez