Mr. D psch4

Created by mercyearthsci 

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element

substance that cannot be chemically broken down into simpler substances

compound

substance made up of two or more elements that are chemically combined

mixture

two or more substances that have been physically combined

subsatnce

any element or compund

molecule

smallest part of a substance that has all the properties of that substance

chemical bond

force of attraction that holds atoms together

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