Properties of Matter

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What is a chemical property?

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A characteristic of a substance that can only be observed during a chemical reaction, such as combustibility or reactivity.

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What is combustibility?

Back

The ability of a substance to catch fire and burn.

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What is a chemical change?

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A change that occurs when a substance transforms into a different substance, such as burning or rusting.

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What is a physical property?

Back

A characteristic of a substance that can be observed without changing its chemical composition, such as color, density, or boiling point.

Front

What is an example of a physical property?

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Color, density, freezing point.

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What is flammability?

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A chemical property that describes how easily a substance can ignite and burn.

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What is the difference between a physical change and a chemical change?

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A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

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What is an example of a chemical property of water?

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Reacts with pure sodium.

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What happens during a chemical change?

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The original substances are transformed into one or more new substances with different properties.

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What is density?

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The mass of a substance divided by its volume, often expressed in grams per milliliter (g/mL).