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Chemistry 19 Online
OpenStudy (anonymous):

what two subatomic particles contribute more than 99.999% of the mass of the atom

OpenStudy (anonymous):

proton and neutron

OpenStudy (anonymous):

as in a atom nucleus contains 99.999% and in nucleus there is proton and neutron

OpenStudy (anonymous):

@mathprob do u understand

OpenStudy (anonymous):

@Ekaansh thanks

OpenStudy (anonymous):

welcome :)

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