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Why is #e# the charge of the electron?

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Jan 23, 2018

It's not, really. #e# is the elementary charge, the charge of the proton. #-e# is the electron charge, i.e.

#q_"proton" = e ~~ 1.602 xx 10^(-19) "C"#

#q_"electron" = -e = -1.602 xx 10^(-19) "C"#

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