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

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

yolanda.80.1999

quimicael cuadrado de compuestos.1 metal + oxigeno = oxido metálico + h2o = hidróxido(oh) = base = sal haloidea metal + hidrógeno= hidruro metálico s

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quimica | Presentation by yolanda.80.1999