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Chemistry Final 123

QuestionAnswer
What is an anion? An atom that has gained electrons/
What is a cation? An atom that has lost electrons
atomic mass protons plus neutrons
which color of visible light has the lowest frequency? Red
209/83BI 209-atomic mass/ mass number, 83-protons subract 209 from 83=126 thats how many neutrongs
Created by: 1566056451
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