090308 - Matter Classification Definition: Anything that...

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Matter Classification y Definition: Anything that has mass and occupies space y Three different phases: Phase Definite Volume? Definite Shape?
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Matter Classification
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Pure Substances y Element: A substance that cannot be decomposed into simpler substances by chemical means y Compound: A substance with constant composition that can be broken down into elements by chemical processes
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Mixtures y Homogeneous: cannot be visibly separated y Heterogeneous: can be visibly separated
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Matter Classification
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Physical vs. Chemical Changes y Physical Property: can be measured without causing the substance to lose its identity y Chemical Property: changes the nature of the substance y Physical Change: process in which a substance changes its appearance but not its basic nature y Chemical Change: a change that does change the nature of the substance
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Zumdahl Chapter 2 ATOMS, MOLECULES AND IONS
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Law of Conservation of Mass Antoine Lavoisier 1743 - 1794 Lavoisier Statue at Hôtel de Ville in Paris. Father of modern chemistry.
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090308 - Matter Classification Definition: Anything that...

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