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Physics 13 Online
OpenStudy (anonymous):

the atomic mass of an atom equals the sum of the masses A) protons and electrons B)electrons and neutrons C)protons and neutrons D)protons ONLY

OpenStudy (anonymous):

help! :)

OpenStudy (anonymous):

protons and neutrons

OpenStudy (anonymous):

thanks1 :)

OpenStudy (anonymous):

np

OpenStudy (anonymous):

protons+neutrons

OpenStudy (anonymous):

thankyou!

OpenStudy (anonymous):

u r welcome ^_^

OpenStudy (anonymous):

;)

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