Is the mass of a proton about the same as the mass of an electron?

1 Answer
Sep 8, 2016

No; these masses are highly inequivalent.


The mass of a proton, fundamental, positively charged nuclear particles is approx. #1.67xx10^-27*kg#. On the other hand, the rest mass of an electron is approx. #9.11xx10^-31*kg#.

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