Basic Chemistry Concepts

Front

Matter

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Anything that has mass and takes up space.

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Physical Change

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A change in which no new substances are formed and the material retains its original properties.

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Chemical Change

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A change that results in the formation of new chemical substances.

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Element

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A pure substance consisting of only one type of atom.

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Oxygen

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A chemical element with symbol O and atomic number 8, essential for respiration.

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Carbon Dioxide

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A colorless gas with the formula CO2, produced by burning carbon and organic compounds and by respiration.

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Burn

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A chemical process of combustion releasing heat and light.