## College Physics (7th Edition)

(c) +$1.6×10^{-19}$C
Charge of one electron =$-1.6\times10^{-19}C$ Charge of one proton= $+1.6\times10^{-19}C$. Net charge is the sum of charges of all protons and electrons. i.e, Net charge= 2($-1.6\times10^{-19}C$)+ 3($+1.6\times10^{-19}C$)= +$1.6×10^{-19}$C