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OpenStudy (anonymous):

how many electrons would it take to equal the mass of a proton using two significant figures

OpenStudy (anonymous):

look up or google mass of both protons and electrons. Then divide the proton mass by the electron mass. Wikipedia says its around 1836 or 1800 in 2 sig figs http://en.wikipedia.org/wiki/Proton-to-electron_mass_ratio

OpenStudy (anonymous):

Thanks!

OpenStudy (anonymous):

np

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