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Unformatted text preview: Molecules: the smallest unit that retains the composition and chemical characteristics of the compound. Extensive Properties: depend on the amount of a substance present (the mass/volume of elements) Intensive Properties: Do not depend on the amount of a substance (melting point, density etc) A chemical change involves a change in the identity of a substance. **memorize how to convert from Celsius to Fahrenheit** The SI unit for volume is a (Liter) **** 1 liter=1000 mL=1000 cm 3 **** **** 1 cm 3 = .001L= 1mL **** Percent Error = error in measurement/accepted value >Write in: (What you got) (the accepted value) / (the accepted value) Study significant pictures on page 39....
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