John Jairo

Colombia

Joined: 31/05/2010

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John Jairo's PowerPoint Presentations

Recent Activity

albfern commented on Berrio's presentation "Metales alcalinos y alcalinotèrreos"

115 months ago

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albfern : excelente presentacion muchas gracias =)

115 months ago

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pmhe commented on Berrio's presentation "ELEMENTOS RADIACTIVOS"

118 months ago

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pmhe : este tema de elementos radiactivos es muy util para todos

118 months ago

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Berrio uploaded a new presentation "Los elementos y la tabla"

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Berrio uploaded a new presentation "Elementos bloque d"

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Berrio uploaded a new presentation "trabajo de quimica elementos 16A"

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Berrio uploaded a new presentation "Elementos del grupo p"

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Berrio uploaded a new presentation "Tabla Periódica grupos 6 7 y 8 a"

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Berrio uploaded a new presentation "quimica tabla periodica"

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Berrio uploaded a new presentation "el agua"

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Berrio uploaded a new presentation "La Tabla periódica"

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Berrio uploaded a new presentation "Elementos del bloque p"

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Berrio uploaded a new presentation "EL OXIGENO diapositivas"

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Berrio uploaded a new presentation "EL HIDROGENO"

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Berrio uploaded a new presentation "Contamina..[1]"

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Berrio uploaded a new presentation "Diapositivas Grado 10º3"

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Berrio uploaded a new presentation "El Agua"

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El Agua

Elaborado por: Catalina taborda Alejandro Montoya Beatris villamizar Kevin thorp 10-2

Views: 385

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