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staci chemistryclass

help study for test

QuestionAnswer
Atom The smallest unit of matter
Scientific Model An idea that allows us to create explanations of how we think some part of the world works
Scientific Evidence collections of obsevations that many people made and agree on
Atomic Number number of protons found in a nucleus
Mass Number total number of protons and neutrons together
Atomic Mass weight or mass of a single atom - same as atomic number
Created by: staci316
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