Janina de Leon

Philippines

Joined: 05/08/2008

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Janina de Leon's PowerPoint Presentations

Recent Activity

janina uploaded a new presentation "Molecules and Ions"

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Molecules and Ions

Year III First Quarter

Views: 473

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janina uploaded a new presentation "Inorganic Compounds"

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Inorganic Compounds

Year III First Quarter

Views: 2042

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lokeswar : it is good . Also add the naming of Hydrates

131 months ago

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janina uploaded a new presentation "Fundamental Laws of Chemistry"

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Fundamental Laws of Chemistry

Year III First Quarter

Views: 1510

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