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chem unit 1
chemistry unit 1 flashcards
Term | Definition |
---|---|
Chemistry | the science of matter and how it changes |
Matter | anything that takes up space and has mass |
Mass | the amount of space something takes up |
substance | matter with constant composition |
mixture | matter with variable composition |
element | a substance made up of particles that are uniformly distributed |
compound | a substance made from two or more elements |
homogeneous mixture | a mixture made up of particles that are uniformly y distributed |
heterogeneous mixture | a mixture made up of particles that are not uniformly distributed. |