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

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

perezjanli16

nuevos elementos de la tabla periÓdica janlÍ pÉrez2º bachillerato a 1. elemento 119 2. elemento 120 3. superactinidas 4. a partir del elemento 172 Ín

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Química | Presentation by perezjanli16