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jerard-atom

QuestionAnswer
atomic mass the "weight" off an atom- the same as the mass number
atom the smallest unit of mater
scientific evidence collection of observations that many people
scientific model an idea that allows us to create an explaination of how we think some part ofthe world works similar to a theory
mass numder number of protons and number of neutrons
atomic number number of protons in the nucleus of an atom
Created by: JBlinkz
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