Systematic Approach to Elements

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Presentation transcript:

Systematic Approach to Elements Portrait of Monsieur Lavoisier and his Wife By Jacques-Louis David

Elements of Chemistry By Antoine Lavoisier

Mass Measurements Well Established

Law of Conservation of Mass Respiration Experiment by Antoine Lavoisier Sugar + Oxygen Carbon Dioxide + Water

Law of Definite Composition Cupric Carbonate 51.39% Copper 9.72% Carbon 38.89% Oxygen Joseph Louis Proust Natural Sample Synthetic Sample

Alloys Multiple Oxide Mistaken Assays Brass Claude Louis Berthollet Stannic Oxide Stannous Oxide Mistaken Assays

Berzellius Experiment Jons Jakob Berzellius

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