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chemist

vocab

QuestionAnswer
atom the smallest unit of matter
scientific model an idea that alows us to create explination of how we think some parts of the world works
Scienific evidence Collection of observations that many people made
atomic number the number of protons in the nucleus at an atom
mass number # of protons plus the number of neutrons
atomic mass "weight" or mass of a single atom
Created by: mizzpriiprii
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