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Chemistry Ch. 1

Chemistry Ch. 1 Master Books

TermDefinition
chemistry the study of matter
atom the smallest unit of matter that can be identified as an element
chemical reaction the atoms in molecules are rearranged in different combinations
density the mass of an object divided by its volume (such as grams per milliliter)
hypothesis a proposed explanation for observed phenomena
mass the measure of the amount of matter in an object
model a description of the properties and behavior of something that cannot be seen (such as atoms and molecules)
molecule two or more atoms bonded together (such as water molecule H20)
theory a hypothesis that has been thoroughly tested and supported by many experts
weight the pull of gravity upon the mass of an object
Created by: lacasamama
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