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| research dedicated to the development of useful products and processes |
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| research dedicated to the discovery of the fundamental workings |
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| during this kind of change, atoms in a substance are rearranged to give a new substance having a chemical identity |
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| a representation of a chemical reaction |
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| a notation used to indicate the composition of a compound, consisting of the atomic symbols for the different elements of the compound and numerical subscripts indicating the ratio in which the atoms combine |
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| a property that relates to how a substance changes its chemical identity |
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| synonymous with chemical change |
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| the study of matter and the transformations it can undergo |
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| a material in which atoms of different elements are bonded to one another |
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| a notation that uses the atomic symbol and (sometimes) a numerical subscript to denote how atoms are bonded in an element |
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| matter is neither created nor destroyed during a chemical reaction |
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| anything that occupies space |
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| a group of atoms that collectively make the fundamental unit of a material, such as water |
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| a change in which a substance changes its physical properties without changing its chemical identity |
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| any physical attribute of a substance, such as color, density, or hardness |
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| a new material formed in a chemical reaction, appearing after the arrow in a chemical equation |
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| a starting material in a chemical reaction, appearing before the arrow in a chemical reaction |
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| the realm of atoms and molecules, where objects are smaller than can be detected by optical microscopes |
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