Matter

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What is matter?

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Matter is anything that takes up space and has mass.

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What is an element?

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An element is a substance that cannot be broken down into simpler substances.

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What is a chemical property?

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A chemical property is a characteristic of a substance that can only be observed during a chemical reaction.

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What is a physical change?

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A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

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What is a physical property?

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A physical property is a characteristic of a substance that can be observed or measured without changing the substance itself.

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What is a compound?

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A compound is a substance formed when two or more elements are chemically bonded together.

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What is a mixture?

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A mixture is a combination of two or more substances that are not chemically bonded.

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What is flammability?

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Flammability is a chemical property that describes how easily a substance can catch fire.

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What is reactivity?

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Reactivity is a chemical property that describes how readily a substance combines chemically with other substances.

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What is toxicity?

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Toxicity is a measure of how harmful a substance is to living organisms.