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atoms 10/23/09

atoms

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 When a model is accepted by the scientific community.
Atomic Number The number of protons in the nucleus of an atom.
Mass Number The number of protons and nimber of electrons.
Atomic Mass Weight or mass of a single atom same as mass number.
Created by: nomiki
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