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/ Enciclopedia de la Ciencia 2.0 / ZETACIE2.bin / CHEM / CRYS / CRYS1y1b.PNG

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Portable Network Graphic  |  1998-08-04  |  14KB  |  316x240  |  8-bit (92 colors)

Labels: ball | brachium | clock | putty knife | railing | regular polyhedron | sky | streetlight | tree
OCR: ion de Na+ ion de

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