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Chemistry 8 Online
OpenStudy (anonymous):

Which contributes more to an atom’s mass: electrons or protons? Which contributes more to an atom’s size? @Abhisar

OpenStudy (abhisar):

Mass of proton is 1.672 * 10\(^{-27}\) Kg, mass o electron is 9.1P10\(^{-31}\) Kg

OpenStudy (kainui):

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