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which have properties of both metals and nonmetals,that make up the last category

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make up  the second  category of elements

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are shinny and they conduct heat energy and electric current

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is a substance in which there is only one type of particle

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is a substance that cannot be separated into simpler substances by physical or chemical means

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happens when one or more substances that have new and different

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describe matter based on its ability to change into new matter that has different properties

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a physical change is a change that effects one or more physical properties of a substance

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A physical property of matter that can be observed or measured without changing the matter's identity

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weight is a measure of gravitational force exerted on an object

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mass is the amount of matter in an object

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volume is a measure of the size of a body or region in three dimensional space

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matter is anything that has mass and takes up space