How many electrons are in #-4.8 xx 10^-18# of charge?

1 Answer
Jun 29, 2017

#"Charge on an electron" = "e" = -1.60*10^(-19) "C"#

#"Number of electrons"=("Total charge")/("Charge of an electron")="Q"/"e" = (-4.8*10^(-18))/(-1.6*10^(-19))=30#

There are 30 electrons in #-4.8*10^(-18)"C"# of charge.